摘要:
The invention relates to a process for the recovery of thermoplastic polymers from aqueous dispersions by spray-drying after treatment with carboxylic acid of formula I ##STR1## wherein X is a single bond, --CH.sub.2 -- or --C.sub.2 H.sub.4 --, andR is --H, --OH or ##STR2##
摘要翻译:本发明涉及一种通过喷雾干燥从水分散体中回收热塑性聚合物的方法,该方法是用式I的羧酸(I)(其中X是单键,-CH 2 - 或-C 2 H 4 - )和R 是-H,-OH或
摘要:
The present invention relates to thermoplastic moulding compositions containing thermoplastic polycarbonates, graft polymers, rubber-free copolymers and, if appropriate, copolymeric rubbers, and also, if appropriate, conventional additives, which are characterized in that the rubber-free copolymers contain internal epoxide compounds.
摘要:
Molding compounds of(A) 5 to 95% by weight of a graft product of a mixture of 50 to 100 parts by weight styrene, .alpha.-methyl styrene, vinyl toluene, methyl methacrylate or mixtures thereof and 0 to 50 parts by weight acrylonitrile on a particulate silicone rubber with a mean particle diameter (d.sub.50) of from 0.10 to 0.50 .mu.m having a total rubber content of from 30 to 90% by weight and(B) 95 to 5% by weight of a graft product of a mixture of 50 to 100 parts by weight styrene, .alpha.-methyl styrene, vinyl toluene, methyl methacrylate or mixtures thereof and 0 to 50 parts by weight acrylonitrile on a particulate acrylate rubber with a mean particle diameter (d.sub.50) of from 0.05 to 1.00 .mu.m having a total rubber content of 30 to 80% by weight.
摘要:
Graft polymers ofa) 5 to 95% by weight of a copolymer of 20 to 60% by weight of a 1,3,5-triazine derivative corresponding to formula (I) ##STR1## in which R=H, C.sub.1-2 alkyl, and 40 to 80% by weight of other vinyl monomers as the graft base andb) 5 to 95% by weight of a thermoplastic polymer as the graft shell,their use as thermoplastic molding compounds and as flame-proofing agents for other synthetic materials.
摘要:
Thermoplastic block copolymers of the idealized formulae (I)A--B--A; B--A--B or (A--B).sub.x (I)in whichx=1 to 40,and whereinA is the radical of a homopolymer of styrene, vinylnaphthalene, butadiene and isoprene, andB the radical of a homopolymer of a cyclic polycarbonate or lactone,the average molecular weight of blocks A and B being greater than 800, and a process for the preparation of these blocks copolymers in several reaction stages.
摘要:
Flame-resistant molding compounds of polycarbonate, polyalkylene terephthalate, graft polymer, fluorinated polyolefine and phosphorus compound can be worked up into moulded products which have a particularly advantageous combination of joint line strength, dimensional stability under heat and toughness.
摘要:
The present invention relates to thermoplastic moulding compositions which are provided with a flame-repellent finish by adding phosph(on)ate esters, tetrafluoroethylene polymers and, if appropriate, halogen compounds.
摘要:
Block copolymers composed of recurrent structural units belonging to the series comprising polysiloxanes and recurring structural units belonging to the series comprising homopolymers, copolymers or terpolymers of vinyl-aromatic compounds and acrylic monomers of mixtures thereof.
摘要:
The invention relates to thermoplastic polycarbonate molding compositions containing polycarbonates, special siloxane-containing graft polymers and, optionally, other thermoplasts and/or standard additives and to a process for the production of the polycarbonate molding compositions.
摘要:
The present invention relates to the use of specific graft polymers to improve the petroleum-resistance of thermoplastic, aromatic polycarbonates and/or polyester carbonates, mixtures of polycarbonate and/or polyester carbonate with these specific graft polymers and, if appropriate, with other thermoplastic resins and/or with effective amounts of customary additives, and in addition to a process for the production of these mixtures.