With customers located all over the world, our PIB team acts globally by maintaining strong and caring . The Skin Deep ingredient hazard score, from 1 to 10, reflects known and suspected hazards linked to the ingredients. Linear Formula . We can supply them. As is well known from cracker-based chemistry, cationic chain polymerization of isobutene yields the homopolymer polyisobutene (PIB), while copolymerization of about 98% isobutene with about 2% isoprene yields butyl rubber. info[at]terchemicals.com. The impeller transfers energy to the fluid as it passes through National Institutes of Health. Due to its chlorine resistance it is commonly found in swimwear. These numbers are not legal limits, but the range of concentrations observed in formulations containing polybutene. -196C EPA Substance Registry System Polybutene (9003-29-6) More Safety Table 3 in the CIR Safety Assessment of Polyene Group as Used in Cosmeticslists Frequency (2014) and concentration of use (2013) according to duraction and type of exposure for polyene ingredients. Who supplies HYDROGENATED POLYISOBUTENE ? Other pipe materials in the same installation failed or corroded and had been replaced in the meantime. They are designed to meet UL 94 flammability tests as well as Glow Wire Ignition Tests (GWIT), Glow Wire Flammability Test (GWFI) and Comparative Tracking Index (CTI). Small unsaturated ethene monomers join up by the opening of the double bond allowing them to join up to form a . In the Cosmetic Ingredient Review (CIR) safety assessment of the chemically related ingredient, Polybutene (Elder 1982), a 2-year chronic oral toxicity study of Polybutene H-IOO (75% concentrate) in Charles River albino rats was presented. Mobile point -37 C ~ 25. Why is Stainless Steel Corrosion Resistant? PB-1 generally resists chemicals such as detergents, oils, fats, acids, bases, alcohol, ketones, aliphatic hydrocarbons and hot polar solutions (including water). Isobutylene has a branched structure and a formula of CH2=C(CH3)2. Editorial Review Policy. Its oil soluble, so whatever youre making needs an oil phase. >> amp version: Polybutenes By clicking sign up, you agree to receive emails from Corrosionpedia and agree to our Terms of Use and Privacy Policy. You can search spectra by . The graph below shows Raman spectrum of Polybutene((C4H8)n) and the table shows the parameters of the material. You can find our solutions for the relevant product area by clicking on the corresponding symbol. Brsenbrcke 2, 20457 Hamburg mixed with the same amount of polyvinyl acetate and chewed for 15min, polybutene did not transfer to saliva. Polybutenes mainly differ from each other in terms of their molecular weight andviscosity. Decorative Coatings. mol1 Density: 0.908 g/mL at 25 C Boiling point: 112.2C at 760 mmHg Flash point: >230 F Safety Information Hazard Classes: WGK Germany: 1 RTECS: EM9032000 Storage temperature: -196 C Suppliers info@ncbi.nlm.nih.gov. Fittings with a soft compression seal can give adequate service life. There were no observed sensitivity reactions. Heated up to 190C and above, PB-1 can easily be compression moulded, injection moulded, blown to hollow parts, extruded, and welded. Once cooled, it turns into a soft, elastic material due to its partially tetragonal crystal structure. Passman describes an industrial preparation of Polybutene in which a solution of 1-butene is dried and fed into a reaction chamber. Recent Searches. hbbd``b`J@X$O a H #:q q +undefined-86-13650506873 +undefined-86-13650506873. 25 0 obj <>/Filter/FlateDecode/ID[]/Index[18 14]/Info 17 0 R/Length 55/Prev 22290/Root 19 0 R/Size 32/Type/XRef/W[1 2 1]>>stream Your access to the NCBI website at www.ncbi.nlm.nih.gov has been In addition, it acts as a processing aid when added to sealants. The only long-term solution is to completely replace the polybutylene plumbing throughout the entire building. It improves the thermal stability and the viscosity of the adhesive.[10]. endstream endobj startxref Crystal clear liquid. TER Chemicals is proud to work internationally with supply partners who stand for the highest product quality and reliability. [8], International standards set minimum performance requirements for pipes made from PB-1 used in hot water applications. Versagel ME 750can work if youre using polybutene to add richness to a lip oil formulation. PB-1 piping systems are no longer being sold in North America (see "Class action lawsuits and removal from building code approved usage", below). You can redraw your consent to using these cookies at any time. View Full Term. Standardized extrapolation methods predict lifetimes in excess of 50 years at 70C and 10 bar. It could be something as simple as a run Polybutene (also called polybutylene) is a thermoplastic polyolefin derived from butene, a group of isomeric hydrocarbons. Polymer Type. It is compatible with polypropylene, ethylene propylene rubbers, and thermoplastic elastomers. Plumbing and heating systems made from PB-1 have been used in Europe and Asia for more than 30 years. Films. It has a helical conformation in the stable crystalline form. Polybutene. Empirical formula of the monomer and of the polymer n-butene CH3CH2CH=CH2 Isobutene H2C=C(CH3) CH2-C . Unit 1 - MoleculesElaboration - Structural Formulas. . Sigma-Aldrich (2) Physical Form. PBT is produced by polycondensation of terephthalic acid or dimethyl terephthalate with 1,4-butanediol using special catalysts. [7] Additional features include excellent wet abrasion resistance, easy melt flowability (shear thinning), and good dispersion of fillers. polybutene is a binder and viscosity-increasing agent used more in makeup than skin care preparations. The relative density (d415) was 0.8~0.9. Trust is the basis of every partnership. Polybutene | C8H16 | CID 6435908 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Hot-dip vs Cold Galvanizing: Whats the Difference? Polybutylene exhibits high tear, impact, and puncture resistance. Plasticizer for polymers, lubricants and metal-working fluids. For our customers, this means certainty in every regard: from compliance with statutory requirements, to product specifications, to prompt and punctual delivery. If its being used as a rich emollient in a skincare product, I thinkLanolin, Brassica Campestris Aleurites Fordi Oil Copolymer, orLecithinmight work as an alternative. Molecular Formula: C4H8: Molar Mass: 56.10632: Density: .91g/mLat 25C(lit.) green icon is isolated on white. structural formula synonyms, structural formula pronunciation, structural formula translation, English dictionary definition of structural formula. Terms of Use - Connect Chemicals does market Poly alpha olefins as a product group under the brand name SinoSyn. Butanediamide, N,N-bis3-(9Z)-9-octadecenylaminopropyl-, polybutenyl derivs. Non-reproductive organ system toxicity (moderate) and Irritation (skin, eyes, or lungs) (low) SYNONYMS. Polybutylene is produced by polymerisation of 1-butene using supported Ziegler-Natta catalysts. Tracks visits of LinkedIn useres on the website. PB-1 combines typical characteristics of conventional polyolefins with certain properties of technical polymers. An Intro to Pipeline Corrosion in Seawater, The 6 Corrosive Components That Can Be Found in Crude Oil, The Corrosion of Lightweight Materials Used in Automotive Applications, All Steamed Up: The Many Types and Uses of Steam, Corrosion Prevention Substance Characteristics, 5 Most Common Types of Metal Coatings that Everyone Should Know About, An Introduction to the Galvanic Series: Galvanic Compatibility and Corrosion, In Support of Phosphoric Acid Wash for Pipe Coating. Used to store the attribution information, the referrer initially used to visit the website. Adds tack, flexibility and water repellency to adhesives and coatings. Articles of Polybutenes are included as well. Don't miss an insight. Trans-1,4-polyisoprene polymer, chemical structure. %%EOF ~Sshj3eX+}(t9 4/wwy._;1!xIj"B^|l!o4HtA)w]M3^y?NUwH]2rJ]us5DGeQPtNY&r7MWWa7^SE^;!V:JdHy&bP>h&$}`*"6 PBT resists solvents, shrinks very little during forming, is mechanically strong, is heat-resistant up to 150 C (or 200 C with glass-fibre reinforcement), and can be treated with flame retardants to make it noncombustible. Catalysts [ edit] However, polybutenes are highly flammable and have poor weather resistance without additional stabilization. Carbon dioxide, dry chemical, or foam (USCG, 1999) Non-Fire Response. The differences depend on viscosity, which increases directly in proportion to increasing molecular weight. The CIR has not stated an upper allowable limit. Classification. This website participates in the Formula Botanica, Baraka Shea Butter . Enter a chemical name, synonym or CAS# below to search. An impeller is a part of a pump or compressor that rotates at a high speed and acts as a propeller to increase a fluid's pressure and flow rate. Polybutene-1 is a saturated polymer (polyolefin) of butene-1. As a supplier of specialty chemicals, TER Chemicals works with a global network of reliable manufacturers. Butane: Butane is an alkane. hb```". @1f:}e05yk00(@@ Vector symbol of polybutylene terephthalate (pbt) polymer on the background from connected macromolecules. Lastly, polybutenes are relatively nontoxic when tested in an acute oral test (LDso > 34,600 mg/kg, rat). The main use of PB-1 is in flexible pressure piping systems for hot and cold drinking water distribution, pre-insulated district heating networks and surface heating and cooling systems. I tried 10 different ways to naturally color lotion. Chemically these are hydrogenated homopolymers of 1-Decene and are categorized as Group IV base oils. 2,5-Furandione, dihydro-, polybutenyl derivs., reaction products with tetraethylenepentamine, Calcium, nonylphenol sulfides phosphosulfurized polybutene complexes. Isotactic PB-1 is produced commercially using two types of heterogeneous ZieglerNatta catalysts. Belongs to the Following Reactive Group (s) Hydrocarbons, Aliphatic Unsaturated Potentially Incompatible Absorbents This website participates in the Formula Botanica, Baraka Shea Butter, TKB Trading, and Amazon affiliate programs; as an Amazon Associate, Humblebee & Me earns from qualifying purchases. Butane: Butane has only single bonds. The structural formula shows how the atoms are arranged and bonded together in a molecular formula of a chemical compound. Futureproofing New and Existing Pipelines. The piping was removed from the acceptable for use list in the 2005 issue of the standard. All Photos (2) Polybutenes. Hydrophobic material is derivatized to make detergents and anti-rust additives. Impellers are made from various metals such as steel, iron or bronze, as well as plastics. Because of its specific properties it is mainly used in pressure piping, flexible packaging, water heaters, compounding and hot melt adhesives. [2] Production [ edit] Polybutylene is produced by polymerisation of 1-butene using supported Ziegler-Natta catalysts . They are stable when exposed to light, insoluble in water, and soluble in hydrocarbon and chlorinated hydrocarbon solvents. Other possible values indicate opt-out, request in progress or an error retrieving a Client ID from AMP Client ID service. Viscosities of different polybutene products can vary; mine is from. [8], Polybutylene plumbing was used in several million homes built in the United States from around 1978 to 1997. Polybutylene is manufactured utilising Zeigler-Natta type catalysts which produce a highly isotactic thermoplastic. Polybutene is similar to polyisobutylene (PIB), but the two compounds differ in certain regards. PB-1 accepts very high filler loadings in excess of 70%. Repeated insult patch tests of 3.150% polybutene in formulations produced, at most, minimal irritation in a small percentage of the test population. Doyle (2022) A Circular Economy Approach to Multifunctional Sandwich Structures: Polymeric Foams for District Heating Pre-Insulated Pipes. Designed by Elegant Themes | Powered by WordPress, You'll need to upload them to a free image hosting service first, CIR Safety Assessment of Polyene Group as Used in Cosmetics, Brassica Campestris Aleurites Fordi Oil Copolymer, Green Tea Conditioning Hair & Body Butter. By controlling the polymerization conditions, polymer chains of different lengths are manufactured giving a wide range of polybutene grades having different physical properties. It offers high cohesive and adhesive strength and helps tailoring the "open time" of the adhesive (up to 30 minutes) because of its slow crystallisation kinetics. Further, being waterproof, it makes the product last longer on the surface that it is applied on. Molecular Weight 56.10632. Polybutene is a polymer of one or more butylenes obtained from petroleum oils. National Institutes of Health. Soltex Polybutene is the tackifier of choice for linear low-density polyethylene (LLDPE) films. 0.0006 ~ 0.0009 expansion coefficient (ml / g. C). Two most important technological advantages of the supported catalysts are high productivity and a high fraction of the crystalline isotactic polymer they produce at 7080C under standard polymerization conditions.[4][5][6]. Polybutenes are light colored, nondrying, sticky, viscous liquids. Water, sulfuric acid, nitric acid, hydrochloric acid and acetic acid. Stored somewhere cool, dark, and dry, polybutene should last at least 3 years. Privacy Policy - J. Polybutene undergoes thermoplastic processes such as injection molding or extrusion at temperatures above 190C. Click here to learn how! Home (current) Spectral . The two ingredients are lovely when paired, but they arent interchangeable. Saves anonymous user data from multiple website visits on multiple sites to test advertisement efficiency. Select Attribute Select Attribute Select Attribute Sort by: Default Product Number Product Description Pricing 388696 It is compatible with a wide variety of organic materials, for instance, synthetic hydrocarboon polymers including wax, rosin, asphalt and gum. 18 0 obj <> endobj I love the expensive, substantial feel it adds to lip formulations. Hydrogenated Polyisobutene is not a good alternative. The availability of polybutene at a variety of molecular weights provides the ability to fine-tune property improvements. PublicSpectra is an open Raman database. 2-Butene is also linear with a formulation of CH3CH=CH=CH3. Here you have the opportunity to compile a data and sample request for interesting products, which you can then submit directly to us. Physicians Formula was created in 1937 by Dr. Crandall, a leading allergist in Los Angeles, out of love for his wife who had sensitive skin. Polybutylene terephthalate (PBT) is a thermoplastic engineering polymer that is used as an insulator in the electrical and electronics industries. 4-(4-Piperidinyl)morpholine dihydrochloride, 1,3,7-trimethyl-8-(pyrrolidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione, 1,3,7-Trimethyl-8-(1-pyrrolidinyl)-3,7-dihydro-1H-purine-2,6-dione, 1H-Purine-2,6-dione, 3,7-dihydro-1,3,7-trimethyl-8-(1-pyrrolidinyl)-, 1,3,7-Trimethyl-8-pyrrolidin-1-yl-3,7-dihydro-purine-2,6-dione. 1-Butene | C4H8 | CID 7844 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. 9003-28-5) SDS CAS No: 9003-28-5 Molecular Weight: 56.10632 Molecular Formula: C 4 H 8 Names and Identifiers Properties Safety and Handling Computational chemical data 18 Suppliers Download SDS (editable Word file) and other types SDS | Offered by XiXisys.com SAFETY DATA SHEETS Glossy and sticky; imagine if honey was also water repellent! The data for both butenes are in agreement with chemical equilibrium calculations which assume that shock-compressed hydrocarbons dissociate and form a two-phase mixture consisting of molecular hydrogen and . The average molecular weight is 500 to 5500. Polybutene, Polybutene supplier, Polybutene distributor, CAS 9003-28-5 9003-29-6 , Polybutene manufacturer, Polybutene wholesale . In vivo comparison of three different porous materials intended for use in a keratoprosthesis. The rats were monitored for their body weights, mortality and reactions, tumor incidence, and hematologic, urologic, and pathologic changes. . skeletal formula. Other features include low noise transmission, low linear thermal expansion, no corrosion and calcification. PBT and PET are sensitive to hot water above 60 C (140F). Polybutylene ( polybutene-1, poly (1-butene), PB-1) is a polyolefin or saturated polymer with the chemical formula (CH 2 CH (Et)) n. Not be confused with polybutene, PB-1 is mainly used in piping. [2] Compared to PET (polyethylene terephthalate), PBT has slightly lower strength and rigidity, slightly better impact resistance, and a slightly lower glass transition temperature. National Center for Biotechnology Information. The chemical formula of polybutylene succinate is (C8H12O4) n and its melting point is 1.26 g/cm3. Chemical Formula: (C4H8)x; Flash Point: 215 to 470F (USCG, 1999) Lower Explosive Limit (LEL): data unavailable. Polybutene is a non-polar hydrocarbon polymer hence it has high solubility in aliphatic, aromatic and chlorinated solvents. 2,5-Furandione, dihydro-, monopolybutenyl derivs. It is a thermoplastic polyolefin similar to polyethylene and polypropylene produced through the polymerization of butene-1 using stereospecific catalysts to create a linear, highly isotactic and semi-crystalline polymer. [11] The use of PB-1 foam as thermal insulation is of great advantage for district heating pipes, since the number of materials in the sandwich structure is reduced to one, facilitating its recycling.[12]. Further, recent studies have shown that PBT has superior UV properties to PET based fabrics such as T400.[6]. In the industry, they are especially valued for their low creep, low susceptibility to stress cracks and high heat resistance. Necessary for Google Maps. Recommended Personal Protective Equipment: Goggles or face shield; Symptoms Following Exposure: Low toxicity. It was developed by Britain's Imperial Chemical Industries (ICI).[3]. Mix polybutene with a liquid oil you love to create a rich, shiny, long-wearing lip oil. PB-1, when applied as a pure or reinforced resin, can replace materials like metal, rubber and engineering polymers. %PDF-1.6 % Localized stress whitening of the material generally accompanies and precedes decomposition of the polymer. June 1, 2022. by vigicrue aveyron villefranche de rouergue. HHS Vulnerability Disclosure Polybutene is able to enhance the adhesive properties and flexibility of glues and sealants and is often used in conjunction with resins in such applications. Used as unique user identifier. (a) Compute the repeat unit molecular weight of polybutene unit chemical formula =( C8H16) (b) Compute the number-average molecular weight for a polybutene for which the degree of polymerization is 24,000. May react exothermically with reducing agents to release hydrogen gas. Good oxidative stability and high UV resistance are two other positive properties worth mentioning. polybutenes, 9003-29-6 Functional use(s) - indirect food additives: adhesives and components of coatings TGSC Information System Home About Associations Contact Categories Search EU/USPropertiesOrganolepticsCosmeticsSuppliersSafetySafety in useSafety referencesReferencesOtherBlendersUsesOccurrenceSynonymsArticlesNotes polybutenes Supplier Sponsors Among others, these include oils and fluids, as well as films. Showing 1-1 of 1 result for " polybutene " within Products. The products testing produced no irritation or sensitization. (Source: CIR Safety Assessment of Polyene Group as Used in Cosmetics). In combination with its low melting point it can be employed in halogen-free flame retardant composites or as masterbatch carrier for thermo-sensitive pigments. To restore access and understand how to better interact with our site Polybutene is allowed by the FDA for a wide variety of applications as components of articles. Chemical Composition. Visit ChemicalBook To find more Polybutene(9003-28-5) information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. Soltex polybutene exhibits good clarity, durability and cling properties, and has food-grade approval for use in food wraps. Find polybutene and related products for scientific research at MilliporeSigma . Blending PB-1 into polypropylene, heat sealing temperatures as low as 65C can be achieved, maintaining a broad sealing window and good optical film properties. Butenes are formed during the cracking (breaking down of large molecules) of petroleum to produce gasoline; they . Polybutenes are often used as plasticizers, adhesives, chemical intermediates for gasoline additives, and sealants. Contains a token that can be used to retrieve a Client ID from AMP Client ID service. Find more information regarding cookies on our Data Protection Declaration and regarding us on the Imprint. Belongs to the Following Reactive Group(s) . In cling masterbatches, polybutene acts as a cling agent to impart a slight stickiness to plastic food wraps. By clicking sign up, you agree to receive emails from Corrosionpedia and agree to our Terms of Use & Privacy Policy. Those have two functions: On the one hand they are providing basic functionality for this website. such as a virus or attack. [19], There is evidence to suggest that the presence of chlorine and chloramine compounds in municipal water (often deliberately added to retard bacterial growth) will cause deterioration of the internal chemical structure of polybutylene piping and the associated acetal fittings. Helps lips appear smoother and hydrated. All rights reserved. Polybutylene (polybutene-1, poly (1-butene), POLYBUTENE) is a polyolefin or saturated polymer with the chemical formula (C4H8)n. It should not be confused with polybutene, a low molecular weight oligomer. thermoplastic polymer, insulator in the electrical industry. Unlike molecular formulas, which only list the numbers of each type of atom found in a molecule, structural formulas show how the atoms are connected together in the molecule. 2015 ChemBK.com All Rights Reserved | Build: 20150530002, Information provided by: ofmpub.epa.gov (external link), information provided by: pubchem.ncbi.nlm.nih.gov (external link). In chemical structure Polybutylene (Polybutene-1, PB-1) differs from polyethylene and polypropylene only by the number of carbon atoms in the monomer molecule. Polybutene only exists as a refined product. Their low polarity, low degree of unsaturation, and their closely packed, branched-chain molecular structure make Polybutenes resistant to chemical reaction. Drawing the Structural Formula Given the Skeletal Formula . Polybutenes (PB) are thermoplastic polyolefins with mechanical properties that are between those of polyethylene (PE) and polypropylene (PP). temporarily blocked due to a possible misuse/abuse situation Our polybutenes are used in adhesives and sealants, rubbers, and a number of other applications. 31 0 obj <>stream View more+. After 12 months of testing, five animals from each group were killed for evaluation. Modify Date. May react exothermically with reducing agents to release hydrogen gas. PBT resists solvents, shrinks very little during forming, is mechanically strong, is heat-resistant up to 150 C (or 200 C with glass-fibre reinforcement), and can be treated with flame retardants to make it noncombustible. synthetic additive ; bulk acidulants ; common food emulsifiers ; Extrusion foaming behavior of polybutene-1. Cis-trans Isomerism This formula features: Enhans SC-78 #355 which allows for the incorporation of a silicone into the formula without the risk of blooming and feels silky on the skin. Posted on May 31, 2022 by May 31, 2022 by Introduction to Electroplating Interview with Jane Debbrecht, Understanding the Causes and Cures for Corrosion Under Insulation, QUIZ: Corrosion Under Insulation (CUI) and How to Prevent It, The Pros of Thermal Insulating Coatings Storm-Prone Areas, Internal Corrosion of Pipelines Carrying Crude Oil, Inspecting for Corrosion Under Pipe Supports: 4 Common Lifting Method, How to Improve Feedwater Quality to Prevent Boiler Corrosion, Performing a Fitness for Service Assessment of Pressure Vessels, Guide to the Best Solution for Not-So-Large Corrosion Problems, Refractory Metals: Properties, Types and Applications, All About Environmental Cracking in Nickel-Based Alloys. polybutylene terephthalate (PBT), a strong and highly crystalline synthetic resin, produced by the polymerization of butanediol and terephthalic acid. Polybutene is a type of polymeric molecule composed of 1-butene, 2-butene and isobutylene, which are all isomers of butene (non-cyclic C4H8), a basic hydrocarbon with four carbon atoms. Polybutene is available in a variety of grades. [7] It is flexible, resists impact well and has good elastic recovery. These cookies are needed for a smooth operation of our website. Polybutene - Physico-chemical Properties. E.g. Polybutenes are liquid, transparent and colorless polymers synthesized from C4. Straight Hydrogenated Polyisobutene is a much thinner liquid that doesnt have the same tacky richness that polybutene does. Polybutene is prepared from a mixture of butene isomers, which share the same molecular formula (C 4 H 8) but vary in the connectivity of the four carbon atoms and the location of a single carbon-carbon double bond. In guaranteed quality, at stable prices, packed appropriately for transportation and delivered punctually. the polymer is refined and filtered after alkali washing and removing the catalyst with adsorbent. Even though the poybutene I have is very viscous, it doesnt work for suspending ingredients likecoloured micas, pigments, and dyes. Ethanol. This information is used to compile report and improve site. Do you need advice on choosing chemicals or on the product formula? Soluble in benzene, ether, chloroform, n-heptane and n-hexane, almost insoluble in water, NNN. Polybutene-1 polymers, unlike polybutene, have high . Thermal insulation house . ISO 15876 defines the performance requirements of PB-1 piping systems. Main applications are in the electrical and electronics (E&E) industry. PBT is a semi-crystalline and tough engineering thermoplastic. for more efficient work such that your work does not impact the ability of other researchers naphtha obtained from petroleum is cracked and fractionated to obtain a mixed gas of butene and butane, which is polymerized at a temperature of -30~30 with lead chloride and Fred a gram of Ford catalyst (Friedel-Crafts catalyst). Sort by Relevance. You can find polybutene in popular formulations like Pat McGrath Labs lipsticks, Tower 28 Beauty Jelly Lip Glosses, Sephora Lip Gloss, Jaclyn Hills Lip Oil, and Essence Cosmetics Lip Oil. Get all suppliers and price by the below link: Chemsrc provides Polybutenes(CAS#:9003-29-6) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. average Mn ~920 by VPO, isobutylene >90 %, +undefined-86-13650506873 +undefined-86-13650506873. | Pipeline Coatings Application Consultant, Crest Industrial Chemicals, By: Steven Bradley 1-BUTENE, HOMOPOLYMER, HOMOPOLYMER 1-BUTENE, and POLYBUTENE. : 9003-28-5. Polybutene, Ethylhexyl Palmitate, Mica, Octyldodecyl Neopentanoate, Pentaerythrityl . Due to its high molecular weight, polybutene does not tend to crack when subject to stress and therefore gives the elastic raw material a high level of flexibility. It is a thermoplastic (semi-)crystalline polymer, and a type of polyester. Structural formulas are used to describe the 3-dimensional structures of molecules and polyatomic ions. This has a natural stretch similar to Lycra and can be incorporated into sportswear. Given how sticky polybutene is, the desired consistency of your final product will dictate how much youll want to use. 1) Two different spatial arrangements of methyl groups about a double bond in 2-butene give rise to the following geometrical isomers.