摘要:
The invention relates to flame-resistant mixtures of polycarbonates with graft polymers and copolymers which are characterized in that they contain modified polyalkylene ethers as antistatic agent.
摘要:
Thermoplastic moulding compounds containing(A) from 5-90 parts by weight of one or more thermoplastic polymers,(B) from 5-90 parts by weight of one or more graft polymers and(C) from 0.25-40 parts by weight of a blocked copolymer corresponding to the idealized formula (I)A - B - A; B - A - B or (A - B).sub.x (I) whereinA denotes the residue of a homopolymer, e.g. of styrene, andB denotes the residue of a homopolymer of a cyclic carbonate or lactone.
摘要:
The invention relates to thermoplastic molding compounds containing(1.) thermoplastic aromatic polycarbonates and/or thermoplastic aromatic polyesters,(2.) graft polymers and, optionally,(2.a) thermoplastic copolymers,which are characterized in that they additionally contain aliphatic polycarbonates having weight average molecular weights Mw (as measured by ultracentrifugation or light scattering) in the range from 15,000 to 500,000.
摘要:
Thermoplastic moulding compositions consisting ofI. 75 to 99.5% by weight of a polymer ofA. 0 to 95% by weight, 95% or less by weight; of a graft copolymer prepared by grafting polymerization ofA.1 5 to 95% by weight of a mixture ofA.1.1 50 to 95% by weight of styrene, .alpha.-methylstyrene, nuclear-substituted styrene, methyl methacrylate or mixtures thereof andA.1.2 50 to 5% by weight of (meth)acrylonitrile, methyl methacrylate, maleic anhydride, N-substituted maleimide or mixtures thereof onA.2 95 to 5% by weight of a rubber with a glass transition temperature Tg or
摘要:
Sulphur-containing polymers of styrene, .alpha.-methyl styrene, p-methyl styrene, vinyl toluene, acrylonitrile or methyl methacrylate or mixtures thereof with a limiting viscosity of from 2 to 15 ml/g (measured in dimethyl formamide at 25.degree. C.) and a sulphur content of from 1.15 to 3.95% by weight, whereby at least 90% by weight of the incorporated sulphur is present as a constituent of terminal C.sub.1-18 -thioalkyl groups.
摘要:
The invention relates to elastic-thermoplastic and thermoplastic pulverulent moulding materials and to mixtures thereof, which can be processed as thermoplastics, with elastic moulding materials, which are prepared from the corresponding aqueous latices under salt-free conditions using a purely organic precipitating agent system.
摘要:
Polymer alloys having a mat surface constituting a mixture of grafted rubbers, the graft superstrate containing an acidic monomer in one part of the mixture and a basic monomer in the other part.
摘要:
Thermoplastic molding compositions containing grafted polymers produced with different initiator systems are disclosed. The compositions are distinguished by a combination of good toughness and reduced opacity. As a result, appreciably smaller quantities of pigment are needed to color the molding composition.
摘要:
A Polymer compositions that features high degree of toughness, very good processability and extremely high gloss is disclosed. The composition contains (I) a graft rubber polymer obtained by emulsion polymerization of styrene and acrylonitrile in the presence of a mixture of (A) a butadiene polymer latex having a mean particle diameter d50≦250 nm, a particle size distribution width of 20 to 80 nm and a gel content of 30 to 95 wt. %, (B) a butadiene polymer latex with a mean particle diameter d50>250 to 350 nm, a particle size distribution width of 30 to 100 nm and gel content of 30 to 80 wt. %, and (C) a butadiene polymer latex (C) with a mean particle diameter d50>350 nm, a particle size distribution width of 40 to 150 nm, and a gel content of 50 to 95 wt. %. and (II) a rubber-free copolymer of styrene and acrylonitrile. At least one of (A), (B) and (C) is a product of seed polymerization.