Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Polyethylenes elastomers

Organic peroxides are used in the polymer industry as thermal sources of free radicals. They are used primarily to initiate the polymerisation and copolymerisation of vinyl and diene monomers, eg, ethylene, vinyl chloride, styrene, acryUc acid and esters, methacrylic acid and esters, vinyl acetate, acrylonitrile, and butadiene (see Initiators). They ate also used to cute or cross-link resins, eg, unsaturated polyester—styrene blends, thermoplastics such as polyethylene, elastomers such as ethylene—propylene copolymers and terpolymers and ethylene—vinyl acetate copolymer, and mbbets such as siUcone mbbet and styrene-butadiene mbbet. [Pg.135]

There have been some attempts to develop chlorinated polyethylene elastomers. The rubbers possess such attractive properties as very good oil, heat, flame, ozone, and weathering resistance and are also available in a convenient powder form. In spite of being marketed at competitive prices, the chlorinated polyethylene rubbers (designated as CM rubbers by ASTM) took... [Pg.240]

Lower-density E-plastomers have found alternate use in cast film processes to make elastic film laminates with good breathability which contain laminates of liquid impermeable extensible polymeric films with extensible-thermoplastic-polymer-fiber nonwovens and nonwoven webs of polyethylene-elastomer fibers as the intermediate layers. The development relates to a breathable film including an E-plastomer and filler that contributes to pore formation after fabrication and distension of the film. The method and extent of distension is designed to produce a breathable film by stretching the film to form micropores by separation of the film of the E-plastomer from the particulate solids. This film is useful for manufacture of absorbent personal-care articles, such as disposable diapers and sanitary napkins and medical garments. In detail, these constructions comprise a liquid impermeable extensible film comprising polyolefins. The outer layer contains extensible-thermoplastic-polymer-fiber nonwovens, and an elastic intermediate layer contains nonwoven webs of fiber E-plastomers. The intermediate layer is bonded to the film layer and the outer... [Pg.182]

Elastomers, synthetic -acrylic elastomers [ELASTOMERS, SYNTHETIC - ACRYLIC ELASTOMERS] (Vol 8) -butyl rubber [ELASTOMERS, SYNTHETIC - BUTYL RUBBER] (Vol 8) -chlorosulfonated polyethylene [ELASTOMERS, SYNTHETIC - CHLOROSULFONATED POLYETHYLENE] (Vol 8) -ethylene-acrylic elastomers [ELASTOMERS, SYNTHETIC - ETHYLENE-ACRYLIC ELASTOMERS] (Vol 8) -ethylene-propylene-diene rubber [ELASTOMERS,SYNTHETTC - ETHYLENE-PROPYLENE-DIENE RUBBER] (Vol 8) -fluorocarbon elastomers [ELASTOMERS, SYNTHETIC - FLUOROCARBON ELASTOMERS] (Vol 8) -nitrile rubber [ELASTOMERS, SYNTHETIC - NITRILE RUBBER] (Vol 8) -phosphazenes [ELASTOMERS, SYNTHETIC - PHOSPHAZENES] (Vol 8) -polybutadiene [ELASTOMERS, SYNTHETIC - POLYBUTADIENE] (Vol 8) -polychloroprene [ELASTOMERS, SYNTHETIC - POLYCHLOROPRENE] (Vol 8) -polyethers (ELASTOMERS, SYNTHETIC - POLYETHERS] (Vol 8) -polyisoprene [ELASTOMERSSYNTHETTC - POLYISOPRENE] (Vol 9) -survey [ELASTOMERS, SYNTHETIC - SURVEY] (Vol 8)... [Pg.354]

Other reported TG-MS applications concern polybutadiene [153], styrene-butadiene rubbers [153], gums [14], polyisoprenes [52], polyurethanes [144, 146, 147, 166], ABS [144], chlorosulphonated polyethylene elastomer [169, 170] and elastomer blends (NBR/SBR/ BR) [13]. Table 1.5 summarises the use of advanced TG-MS systems in elastomer analysis. [Pg.29]

The moderate random chlorination of polyethylene suppresses crystallinity and yields chlorinated polyethylene elastomer (CPE), a rubber-like material that can be crosslinked with organic peroxides. The chlorine (Cl) content is in the range of 36 to 42%, compared to 56.8% for PVC. Such elastomer has good heat and oil resistance. It is also used as a plasticizer for PVC. They provide a very wide range of properties from soft/elastomeric too hard. They have inherent oxygen and ozone resistance, resist plasticizers, volatility, weathering, and compared to PEs have improved resistance to chemical extraction. Products do not fog at high temperatures as do PVCs and can be made flame retardant. [Pg.53]

When ethylene is copolymerized with substantial amounts (>25%) of propylene an elastomeric copolymer is produced, commonly known as ethylene-propylene rubber (EPR) or ethylene-propylene monomer (EPM) rubber. When a diene, such as dicyclopentadiene, is also included, a terpolymer known as ethylene-propylene-diene monomer (EPDM) rubber is obtained. EPR and EPDM are produced with single site and Ziegler-Natta catalysts and are important in the automotive and construction industries. However, EPR and EPDM are produced in much smaller quantities relative to polyethylene. Elastomers display vastly different properties than other versions of industrial polyethylene and are considered outside the purview of this text. EPR and EPDM will not be discussed further. [Pg.6]

CPR. [DuPont] Chlorinated polyethylene elastomer for wire and cable industry. [Pg.87]

Toso-CSM . [Tosoh] Chhxosulfonaied polyethylene elastomer for elec, cables, rubber coatings, life boats, life jackets, windbreakers, escalator handrails, paints, coatings, coated fabrics, floor riles, hoses, rolls, machine pans. [Pg.378]

Hypalon H-20 [DuPont Dow Elastomers DuPont Canada R.T Vanderbilt] Chem. Descrip. Chlorosulfonated polyethylene elastomer CAS68037-3 A... [Pg.419]

Synonyms Chlorosulfonated ethylene polymer Chlorosulfonated polyethylene CSM CSPE Ethene, homopolymer, chlorinated, chlorosulfonated Ethylene polymer, chlorosulfonated Ethylene resin, chlorosulfonated Polyethylene elastomer, chlorosulfonated Classification Olefin... [Pg.1295]

CM. See Polyethylene elastomer, chlorinated CM-66. See Aluminum hydroxide CM-80. See Carrageenan (Chondrus crispus) CMaltidex CH] CMaltidex H] CMaitidex L CMaltidex M. See Maltitol CMannidex. See D-Mannitol CMC CMC Daicel 1150] CMC Daicei 116a, CMC Daicel 1220] CMC Daicel 124a, CMC Daicel 1260] CMC Daicel 220a, CMC Daicel] CMC sodium salt. See Carboxymethylcellulose sodium... [Pg.982]

Elaldehyde. See Paraldehyde Elaslen. See Polyethylene elastomer, chlorinated... [Pg.1603]

Keirinai 2238, Keirinai 3041, Keirinai 4037, Keirinai 5035, Keirinai 5037. See Polyethylene elastomer, chlorinated KELSET . See Algin... [Pg.2301]

Parachlorometacresol. See p-Chloro-m-cresol Parachlorometaxylenol. See Chloroxylenol Parachlorophenol. See 4-Chlorophenol Parachlorotoluene. See p-Chlorotoluene Paraclor 125 Paraclor 13a, Paraclor 20a, Paraclor203 Paraclor 213 Paraclor 215, Paraclor 441. See Polyethylene elastomer, chlorinated... [Pg.3035]

Regulatory FDA 21CFR 177.1610 Manuf./Distrib. Aldrich http //www.sigma-aldrich.com] Allchem Ind. http //www.allchem.com] Fabrichem Maypro Ind. http //www.maypro.com See also Polyethylene elastomer, chlorinated... [Pg.3480]

Ethylene polymer, chlorosulfonated Ethylene resin, chlorosulfonated Polyethylene elastomer, chlorosulfonated... [Pg.3480]

Polyethylene elastomer, chlorosulfonated. See Polyethylene, chlorosulfonated Polyethylene glycol... [Pg.3483]

Tyrin CM 552] Tyrin CM 566 Tyrin CM 631] Tyrin CM 0636 Tyrin CM 674] Tyrin CM 0730] Tyrin CM 0836] Tyrin CPE 2552. See Polyethylene elastomer, chlorinated Tyrosilane C. See Copper acetyl tyrosinate methylsilanol... [Pg.4620]

Fluorinated ethylene/propylene Polyethylene elastomer, chlorinated Polyethylene, low-density... [Pg.4930]

Acrylonitrile-butadiene rubber, hydrogenated hose/sheet, industrial Polyethylene elastomer, chlorinated hoses... [Pg.5365]

Acrylic resin Acrylonitrilefbutadiene/styrene copolymer Bis (2,4-di-t-butylphenyl) pentaerythritol diphosphite Butadiene/acrylonitrile copolymer EthyleneA/A copolymer Methoxyethyl acrylate Methyl methacrylate butadiene styrene terpolymer Polyethylene elastomer, chlorinated 2-Propenoic acid, 2-methylmethyl ester, polymer with 1,3-butadiene and butyl 2-propenoate impact modifier, PVC rigid EVA/PVC graft polymer impact modifier, recycled polyamides EPDM, maleated impact modifier, thermoplastics Butadiene/acrylonitrile copolymer impact strength modifier PEG-6 trimethylolpropane impact-resistance lights Polyester carbonate resin impact-resistance, lights Polyester carbonate resin impeller... [Pg.5374]

See other pages where Polyethylenes elastomers is mentioned: [Pg.161]    [Pg.53]    [Pg.101]    [Pg.197]    [Pg.197]    [Pg.313]    [Pg.306]    [Pg.132]    [Pg.139]    [Pg.1042]    [Pg.1295]    [Pg.1295]    [Pg.1295]    [Pg.1544]    [Pg.91]    [Pg.1079]    [Pg.2764]    [Pg.4978]    [Pg.5142]    [Pg.5143]    [Pg.5257]   
See also in sourсe #XX -- [ Pg.71 ]



SEARCH



© 2024 chempedia.info