EPOXY METHACRYLATE COPOLYMER

The H and 13C NMR spectra of azo compounds incorporated into monomers and polymers have been measured.67-73 Chiral methacrylic polymers containing azobenzene chromophore,67,68 epoxy-based polymers functionalized with tricyanivinylphenylazo chromophores,69 4-vinylazobenzene and homo- and copolymers,70 microstructure of trans-4-acrylooyloxyazo-benzene/methyl methacrylate copolymers,71 optically active poly[(S)-4-(2-methacryloyloxypropanoyloxy)azobenzene]72 and polyetherurethane pendant with azo dye by TV-substitution73 have been studied. 

Dental Polymers. Every year nearly a half billion dental fillings are done, and over a million dentures are constructed. Most of the materials used in each of these cases are polymeric. In addition, over 300,000 dental implants are made each year with either ceramics or polymers (1). The majority of the dental fillings and dentures are made from various copolymers of methyl methacrylate with other acrylics, although some other polymers, such as polyurethanes, vinyl chloride-vinyl acetate-methacrylate copolymers, vulcanized rubber, and epoxies, have been used to some extent. One major problem is aesthetics—the prosthesis must look natural and not discolor (by photoinduction or staining) to any great extent. 

Styrene/allyl benzoate copolymer Styrene/MA copolymer Styrene/PVP copolymer Sucrose acetate isobutyrate Sucrose benzoate Sucrose benzoate/sucrose acetate isobutyrate/butyl benzyl phthalate copolymer Sucrose benzoate/sucrose acetate isobutyrate/butyl benzyl phthalate/methyl methacrylate copolymer Sucrose benzoate/sucrose acetate isobutyrate copolymer TEA-acrylates/acrylonitrogens copolymer Tosylamide/epoxy resin Tosylamide/formaldehyde resin Triacetin Tributyl citrate Tricetyl phosphate Tricontanyl PVP... 

Acetal homopolymer Animal glue Calcium resinate 1-Decene, homopolymer, hydrogenated Glyceryl rosinate Hydrogenated rosin Methyl rosinate Pentaerythrityl rosinate Polyethylene, chlorosulfonated Polyphenylene ether Potassium rosinate Sodium rosinate Tall oil rosin Vinylidene chloride/methyl acrylate/methyl methacrylate copolymer food-contact articles, for repeated use Butadiene/acrylonitrile copolymer EPM rubber Epoxy, bisphenol A/epichlorohydrin Ethylene/propylene/dicyclopentadiene terpolymer Hexafluoropropylene/vinylidene fluoride copolymer Hexafluoropropylene/vinylidene fluoride/tetrafluoroethylene terpolymer Hydrogenated butadiene/acrylonitrile... 

IPAR Paris, R., Liras, M., and Quijada-Garrido, I., Thermoiesponsive behavior of mixtures of epoxy functionalized oligo(ethylene glycol) methacrylate copolymers, Macromol. 

Latices of PVAc, copolymers of vinyl acetate and acrylamide and copolymers of methyl methacrylate and butyl methacrylate were synthesised by free-radical polymerisation or copolymerisation using different ionic or non-ionic surfactants and protective colloids. The effects of the amount of surfactant, copolymer composition and quantity of monomers on the particle size of the latex were examined and the use of the latex obtained from the methyl methacrylate-butyl methacrylate copolymer as an ink on PP syringes and of the PVAc latex with various amounts of epoxy resin as an adhesive for wood evaluated. 7 refs. 

DPC has in recent years been applied to studies on a range of photopolymers including DF 2000 photopolymer [5], cinnamoylphenyl methacrylate-glycidyl methacrylate copolymer [6], multiethylene glycol dimethacrylate [7], Ebecryl 270 (aliphatic urethane diacrylate) 1,6-hexanediol diacrylate (Darocur 1173 2-hydroxy-2-methyl-phenylpropan-l-one) [8], epoxy acrylates [9], epoxy vinyl ether formulations [10], polyacrylates, maleimides, and vinyl ethers [11], hydroxylated poly(imides) [12], and polystyrene-poly(n-butylacrylate) copolymers [13]. 

Swaraj and Bengt [82] used infrared spectroscopy to determine epoxy groups in methylmethacrylate - glycidyl methacrylate copolymers. 

Swaraj and Ranby used infrared spectroscopy to determine epoxy groups in methylmethacrylate - glycidyl methacrylate copolymers. The analysis was performed on dried potassium bromide pellets containing 0.5 mg sample in 200 mg potassium bromide. The peaks at the wavenumbers 907 (11.02 u) and 1717 cm (5.82 u) are the most suitable ones for analysis of epoxy and carbonyl groups respectively. Using the base line density method the values of the absorbances at 907 and 1717 cm" wavenumbers were determined. The average values of the absorbances, their ratio and the glycidylmethyl-acrylate mole fraction determined chemically are presented in Table 2.8. 

A waterborne system for container coatings was developed based on a graft copolymerization of an advanced epoxy resin and an acryHc (52). The acryhc-vinyl monomers are grafted onto preformed epoxy resins in the presence of a free-radical initiator grafting occurs mainly at the methylene group of the aHphatic backbone on the epoxy resin. The polymeric product is a mixture of methacrylic acid—styrene copolymer, soHd epoxy resin, and graft copolymer of the unsaturated monomers onto the epoxy resin backbone. It is dispersible in water upon neutralization with an amine before cure with an amino—formaldehyde resin. 

C The Epoxy Resists. The first negative tone electron beam resist materials with useful sensitivity were based on utilizing the radiation chemistry of the oxirane or epoxy moiety. The most widely used of these materials, COP (Figure 32) is a copolymer of glycidyl methacrylate and ethyl acrylate and was developed at Bell Laboratories (43,44). COP has found wide applicability in the manufacturing of photomasks. The active element... 

Core-shell emulsion polymers with a core or rubbery stage based on homopolymers or copolymers of butadiene are used as impact modifiers in matrix polymers, such as ABS, for styrene acrylonitrile copolymer methyl methacrylate (MMA) polymers, poly(vinyl chloride) (PVC), and in various engineering resins such as polycarbonate) (PC) poly(ester)s, or poly(styrene)s, further in thermosetting resins such as epoxies. 

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