摘要:
Thermoplastic molding materials contain, as essential components,A) from 5 to 94% by weight of a polyamide,B) from 5 to 94% by weight of a polyphenylene ether,C) from 1 to 20% by weight of a partially hydrogenated PQP' block copolymer, where.alpha.) the blocks P and P' consist of vinylaromatic monomers and the total amount of these blocks in the block copolymer is from 25 to 40% by weight,.beta.) the number average molecular weight of block P is not more than 8,000 and is smaller than the number average molecular weight of block P',.gamma.) block Q consists of conjugated diene monomers and accounts in total for from 60 to 75% by weight of the block copolymer and.delta.) from 5 to 30% by weight of the double bonds in block Q are not hydrogenated, andD) from 0 to 50% by weight of a vinylaromatic polymer.
摘要:
Thermoplastic molding materials containing, as essential components,(A) 5-95% by weight of a partially aromatic copolyamide essentially composed of(A.sub.1) 20-90% by weight of units derived from terephthalic acid and hexamethylenediamine(A.sub.2) 0-50% by weight of units derived from .epsilon.-caprolactam and(A.sub.3) 0-80% by weight of units derived from adipic acid and hexamethylenediamine,(B) 5-95% by weight of a polyphenylene ether,(C) 0-45% by weight of a vinylaromatic polymer and(D) 0-40% by weight of a rubber impact-modifier, are prepared.
摘要:
A process for the preparation of finely divided polyolefin molding materials from 100 parts by weight of a polyolefin and from 0.01 to 30 parts by weight of an electrically conductive additive, with or without other additives, wherein the mixture of the finely divided polyolefin particles and the electrically conductive additives is brought to the crystallite melting point of the polyolefin by the heating effect of the mixing action, and is then brought to a temperature which is from 3.degree. to 40.degree. C. above the said crystallite melting point while being subjected to a defined mixing intensity, after which the mixture is either cooled within 120 seconds or is directly compression-molded.
摘要:
In a secondary battery employing an aqueous lead salt solution as the electrolyte, salts of manganese, cobalt, nickel, copper, thallium, bismuth and/or antimony are additionally present in concentrations of from 0.1 to 100 mmole/l.
摘要:
Thermoplastic molding materials containA) not less than 5% by weight of a polymer component consisting of from 50 to 100% by weight of polyphenylene ethers and from 0 to 50% by weight of a styrene polymer differing from component C),B) not less than 5% by weight of a polyester,C) not less than 0.1% by weight of a copolymer consisting ofC.sub.1) not less than 20% by weight of .alpha.-olefins of 2 to 8 carbon atoms, styrene or substituted styrenes of the general formula I ##STR1## where R and R.sup.1 is alkyl of 1 to 8 carbon atoms, hydrogen and/or halogen and n is 0, 1 or 2, or a mixture of these monomers,C.sub.2) not less than 0.5% by weight of a polymerizable monomer containing epoxide groups, and/orC.sub.3) not less than 0.05% by weight of a halobenzyl-containing polymerizable monomer having the structural unit (II) ##STR2## where X is halogen and R.sup.2 and R.sup.3 are each alkyl of 1 to 8 carbon atoms or hydrogen and n is 1, 2 or 3, and/orC.sub.4) not less than 0.05% by weight of a polymerizable monomer containing oxazoline groups, andC.sub.5) from 0 to 65% by weight of acrylonitrile, methacrylonitrile and further nonionic comonomers, andD) from 0 to 40% by weight of a rubber impact modifier.
摘要:
Thermoplastic molding materials containing(A) not less than 5% by weight of a polyphenylene ether and(B) not less than 5% by weight of a nylon furthermore contain(C) not less than 0.1% by weight of a copolymer composed of(C.sub.1) not less than 30% by weight of a styrene of the general formula I ##STR1## where R and R.sup.1 are alkyl of 1 to 8 carbon atoms, hydrogen and/or halogen and n is 0, 1, 2 or 3,(C.sub.2) not less than 0.5% by weight of an epoxide-containing polymerizable monomer and/or(C.sub.3) not less than 0.05% by weight of a halobenzyl-containing polymerizable monomer possessing a structural unit (II) ##STR2## where X is halogen, R.sup.2 and R.sup.3 are each alkyl of 1 to 8 carbon atoms or hydrogen and n is 1, 2 or 3, and/or(C.sub.4) not less than 0.05% by weight of a polymerizable monomer containing oxazoline groups and(C.sub.5) from 0 to 20% by weight of acrylonitrile, methacrylonitrile and/or other nonionic comonomers, and(D) from 0 to 35% by weight of a toughened rubber, and possess particularly good impact strength.
摘要:
Thermoplastic molding materials contain, as essential components,(A) 5-95% by weight of a polyamide;(B) 5-95% by weight of a modified polyphenylene ether, prepared from(b.sub.1) 4.95-99.9% by weight of a polyphenylene ether,(b.sub.2) 0-90% by weight of a vinylaromatic polymer,(b.sub.3) 0.05-10% by weight of one or more compounds from the group consisting of(b.sub.31) an .alpha.,.beta.-unsaturated dicarbonyl compound,(b.sub.32) a monomer containing amide groups and a polymerizable double bond and(b.sub.33) a monomer containing lactam groups and a polymerizable double bond,(b.sub.4) 0-80% by weight of further graft-active monomers and(b.sub.5) 0.01-0.09% by weight of a free radical initiator,(C) 0-90% by weight of an unmodified polyphenylene ether,(D) 0-45% by weight of a vinylaromatic polymer and(E) 0-40% by weight of a rubber impact modifier.
摘要:
An anode for cationic electrocoating, which consists of from 30 to 95% of graphite and from 70 to 5% of a plastic. It can be used for the electrocoating of metallic substrates.
摘要:
Prints are produced by the offset heatset process using a printing ink based on mineral oil and additionally using an agent for increasing the abrasion resistance of the prints, where the agent for increasing the abrasion resistance is an oxidized olefin polymer which has a melt viscosity of from 100 to 15,000 mm.sup.2 /s, measured in accordance with DGF M-III 8 (75), and an acid number of from 5 to 50 mg of KOH/g of polymer, measured in accordance with DGF M-IV 2 (57).
摘要:
A coating agent comprises an emulsion polymer obtained by free radical emulsion polymerization of a monomer mixture ofA) from 15 to 60% by weight of an acrylic or methacrylic ester having a primary or secondary C.sub.1 -C.sub.18 -alkyl group, as alcohol radical,B) from 15 to 50% by weight of an acrylic or methacrylic ester having tertiary C.sub.4 -C.sub.8 -alkyl group or a C.sub.6 -C.sub.12 -radical that is an alicyclic or aromatic group as alcohol group a methacrylic ester having a primary or secondary C.sub.2 -C.sub.4 -alkyl group as alcohol radical, acrylo- or methacrylonitrile, acryl- or meth-acrylamide, a vinyl ester of a C.sub.1 -C.sub.8 - carboxylic acid,C) from 10 to 50% by weight of one or more C.sub.8 -C.sub.12 - aromatic vinyl compounds,D) from 8 to 20% by weight of an olefinically unsaturated C.sub.3 -C.sub.5 -mono- or C.sub.4 -C.sub.8 -dicarboxylic acid or anhydride, andE) from 0 to 5% by weight of further copolymerizable monomers having functional groups in the presence of from 0.1 to 10% by weight, based on the monomer mixture of A to E, of an emulsifier mixture of(a) one or more anionic emulsified of formula I where ##STR1## M is an alkali metal or ammonium and X and Y are identical or different and each is O--(C.sub.n H.sub.2n O).sub.m --R, OM or NHR, wherein at least one of the radicals X and Y is O--(C.sub.n H.sub.2n O).sub.m --R or NHR, and(b) from 0.1 to 10 parts by weight per part by weight of (a) of at least one further different anionic emulsifier.