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POLYBUTADIENE DIACRYLATE structure

POLYBUTADIENE DIACRYLATE

Component of water soluble binders and electrical encapsulants.
 
1. Names and Identifiers
1.1 Name
POLYBUTADIENE DIACRYLATE
1.2 Synonyms
1,3-Butadiene,homopolymer; 1,3-butadiene,polymers; MFCD00084398; poly(but-2-ene-1,4-diyl); Poly(butadiene), average M.W. 2-300.000; POLYBUTADIENE, AVERAGE M.N. CA. 1,800; POLYBUTADIENE, AVERAGE M.N. CA. 3,000; POLYBUTADIENE, AVERAGE MN CA. 5,000; POLYBUTADIENE, PREDOMINANTLY 1,2-ADDITIO N; POLYBUTADIENE, SOLID (MED. M.WT.);
1.3 CAS No.
9003-17-2
1.4 CID
7845
1.5 EINECS
618-356-6
1.6 Molecular Formula
C4H6
1.7 Inchi
InChI=1S/C4H6/c1-3-4-2/h3-4H,1-2H2
1.8 InChkey
KAKZBPTYRLMSJV-UHFFFAOYSA-N
1.9 Canonical Smiles
C=CC=C
1.10 Isomers Smiles
C=CC=C
2. Properties
2.1 Vapour pressure
1.87 (NTP, 1992) (Relative to Air)
2.2 Solubility
aliphatic hydrocarbons: soluble
2.3 Viscosity
Gas at 101.325 kPa at 20 °C: 0.00754 cP; Liquid at -40 °C: 0.33 cP
2.4 VaporDensity
1.87 (NTP, 1992) (Relative to Air)
2.5 Appearance
Slab | Clear
2.6 Atmospheric OH Rate Constant
6.66e-11 cm3/molecule*sec
2.7 Autoignition Temperature
788 °F (USCG, 1999)
2.8 Carcinogenicity
The individual oil extenders areclassified as suspected human carcinogens. POLYBUTADIENE DIACRYLATE Preparation Products And Raw materials Raw materials
2.9 Chemical Properties
low molecular weight formulations are liquid, Polybutadiene is a homopolymer of butadiene. The catalysts involved in the polymerization process determine the structure and molecular weight of the rubber. It is used in tires and for other products that require abrasion resistance. At times both SBR and polybutadiene are extended with oils. There are underlying hazards associated with the individual oils, some of which are carcinogenic in animals and suspected human carcinogens.
2.10 Color/Form
Colorless gas
2.11 Corrosivity
Non-corrosive
2.12 Decomposition
May decompose explosively when heated above 200 °C/ 1 kbar. ... When heated to decomposition it emits acrid smoke and fumes.
2.13 Heat of Combustion
-2541.5 kJ/mol (gas)
2.14 Heat of Vaporization
20.86 kJ/mol 25 °C; 22.47 kJ/mol at -4.41 °C
2.15 Ionization Potential
9.07 eV
2.16 Odor
MIldly aromatic odor
2.17 Odor Threshold
4 MG/CU M
2.18 Water Solubility
aliphatic hydrocarbons: soluble
2.19 Spectral Properties
Index of refraction: 1.3848 @ -25 deg C/D
Max absorption (gas): 163 NM (log E= 3.9); 177 NM (log E= 4.1); 187 NM (log E= 3.8); 202 NM (log E= 2.7)
IR: 7860 (Sadtler Research Laboratories Prism Collection)
MASS: 26 (Atlas of Mass Spectral Data, John Wiley & Sons, New York)
2.20 Stability
Stable. Incompatible with strong oxidizing agents.
2.21 StorageTemp
Store at R.T.
2.22 Surface Tension
13.4 dynes/cm at 20 °C
3. Use and Manufacturing
3.1 Definition
ChEBI: A macromolecule composed of repeating but-2-ene-1,4-diyl units.
3.2 Description
low molecular weight formulations are liquid, Polybutadiene is a homopolymer of butadiene. The catalysts involved in the polymerization process determine the structure and molecular weight of the rubber. It is used in tires and for other products that require abrasion resistance. At times both SBR and polybutadiene are extended with oils. There are underlying hazards associated with the individual oils, some of which are carcinogenic in animals and suspected human carcinogens.
3.3 Polymerization
POLYMERIZES & COPOLYMERIZES EASILY, EG,UNDER INFLUENCE OF SODIUM ...
3.4 Produe Method
The production of polybutadiene involves copolymerizingthree parts butadiene and one part styrene. Also present insmall amounts is an initiator or catalyst, which is usually aperoxide, and a chain-modifying agent such as dodecylmercaptan. Isotactic cis-1,4 polybutadiene has been synthesizedusing a titanium halide such as titanium tetrachloride ortitanium tetrabromide; using a cobalt salt of octanoate ornapthenate, or complexes with pyridine; or using nickelhalide catalyst based on boron trifluoride reduced by aluminumalkyls.
3.5 Usage
Component of water soluble binders and electrical encapsulants.
4. Safety and Handling
4.1 Octanol/Water Partition Coefficient
log Kow= 2.31
4.2 Other Preventative Measures
SRP: The scientific literature for the use of contact lenses in industry is conflicting. The benefit or detrimental effects of wearing contact lenses depend not only upon the substance, but also on factors including the form of the substance, characteristics and duration of the exposure, the uses of other eye protection equipment, and the hygiene of the lenses. However, there may be individual substances whose irritating or corrosive properties are such that the wearing of contact lenses would be harmful to the eye. In those specific cases, contact lenses should not be worn. In any event, the usual eye protection equipment should be worn even when contact lenses are in place.
4.3 DisposalMethods
SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.
4.4 DOT Emergency Guidelines
/GUIDE 115: GASES - FLAMMABLE (INCLUDING REFRIGERATED LIQUIDS)/ Fire or Explosion: EXTREMELY FLAMMABLE. Will be easily ignited by heat, sparks or flames. Will form explosive mixtures with air. Vapors from liquefied gas are initially heavier than air and spread along ground. ... Vapors may travel to source of ignition and flash back. Cylinders exposed to fire may vent and release flammable gas through pressure relief devices. Containers may explode when heated. Ruptured cylinders may rocket. /Butylene/
/GUIDE 115: GASES - FLAMMABLE (INCLUDING REFRIGERATED LIQUIDS)/ Health: Vapors may cause dizziness or asphyxiation without warning. Some may be irritating if inhaled at high concentrations. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire may produce irritating and/or toxic gases. /Butylene/
/GUIDE 115: GASES - FLAMMABLE (INCLUDING REFRIGERATED LIQUIDS)/ Public Safety: CALL Emergency Response Telephone Number. ... As an immediate precautionary measure, isolate spill or leak area for at least 100 meters (330 feet ) in all directions. Keep unauthorized personnel away. Stay upwind. Many gases are heavier than air and will spread along ground and collect in low or confined areas (sewers, basements, tanks). Keep out of low areas. /Butylene/
/GUIDE 115: GASES - FLAMMABLE (INCLUDING REFRIGERATED LIQUIDS)/ Protective Clothing: Wear positive pressure self-contained breathing apparatus (SCBA). Structural firefighters' protective clothing will only provide limited protection. Always wear thermal protective clothing when handling refrigerated/cryogenic liquids. /Butylene/
/GUIDE 115: GASES - FLAMMABLE (INCLUDING REFRIGERATED LIQUIDS)/ Evacuation: Large spill: Consider initial downwind evacuation for at least 800 meters (1/2 mile). Fire: If tank, rail car or tank truck is involved in a fire, ISOLATE for 1600 meters (1 mile) in all directions; also, consider initial evacuation for 1600 meters (1 mile) in all directions. /Butylene/
/GUIDE 115: GASES - FLAMMABLE (INCLUDING REFRIGERATED LIQUIDS)/ Fire: DO NOT EXTINGUISH A LEAKING GAS FIRE UNLESS LEAK CAN BE STOPPED. ... Small fires: Dry chemical or CO2. Large fires: Water spray or fog. Move containers from fire area if you can do it without risk. Fire involving tanks: Fight fire from maximum distance or use unmanned hose holders or monitor nozzles. Cool containers with flooding quantities of water until well after fire is out. Do not direct water at source of leak or safety devices; icing may occur. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. For massive fire, use unmanned hose holders or monitor nozzles; if this is impossible, withdraw from area and let fire burn. /Butylene/
/GUIDE 115: GASES - FLAMMABLE (INCLUDING REFRIGERATED LIQUIDS)/ Spill or Leak: ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area). All equipment used when handling the product must be grounded. Do not touch or walk through spilled material. Stop leak if you can do it without risk. If possible, turn leaking containers so that gas escapes rather than liquid. Use water spray to reduce vapors or divert vapor cloud drift. Avoid allowing water runoff to contact spilled material. Do not direct water at spill or source of leak. Prevent spreading of vapors through sewers, ventilation systems and confined areas. Isolate area until gas has dispersed. CAUTION: When in contact with refrigerated/cryogenic liquids, many materials become brittle and are likely to break without warning. /Butylene/
/GUIDE 115: GASES - FLAMMABLE (INCLUDING REFRIGERATED LIQUIDS)/ First Aid: Move victim to fresh air. Call 911 or emergency medical service. Give artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult. Remove and isolate contaminated clothing and shoes. Clothing frozen to the skin should be thawed before being removed. In case of contact with liquefied gas, thaw frosted parts with lukewarm water. In case of burns, immediately cool affected skin for as long as possible with cold water. Do not remove clothing if adhering to skin. Keep victim warm and quiet. Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves. /Butylene/
4.5 Fire Fighting Procedures
Very dangerous, when exposed to heat or flame. Stop flow of gas.
4.6 FirePotential
FLAMMABLE GAS.
4.7 Formulations/Preparations
Grades: Technical, 95%; CP 99.0%; Research 99.9%.
4.8 Protective Equipment and Clothing
It ... is mildly irritating to the eye. /1-Butene/
4.9 Skin, Eye, and Respiratory Irritations
It ... is mildly irritating to the eye. /1-Butene/
4.10 Safety

WGK Germany of Cis -polybutadiene Synthesized (CAS NO.9003-17-2): 3

4.11 Specification

Categories of Cis -polybutadiene Synthesized (CAS NO.9003-17-2): Polymers;Dienes;Hydrophobic Polymers;Polymer Science

5. MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Not classified.

2.2 GHS label elements, including precautionary statements

Pictogram(s) No symbol.
Signal word

No signal word.

Hazard statement(s)

none

Precautionary statement(s)
Prevention

none

Response

none

Storage

none

Disposal

none

2.3 Other hazards which do not result in classification

none

6. Computed Properties
7.Other Information
Chemical Properties
low molecular weight formulations are liquid, Polybutadiene is a homopolymer of butadiene. The catalysts involved in the polymerization process determine the structure and molecular weight of the rubber. It is used in tires and for other products that require abrasion resistance. At times both SBR and polybutadiene are extended with oils. There are underlying hazards associated with the individual oils, some of which are carcinogenic in animals and suspected human carcinogens.
Uses
Component of water soluble binders and electrical encapsulants.
Uses
Co-reactant for air curing coatings.
Uses
PB-cis can be polymerized with styrene for the formation of high impact polystyrene (HIPS). It may also be used as a toughening agent for acrylonitrile butadiene rubber (ABS) based resins.
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9. Related Questions
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