摘要:
A polyphenylene ether thermoplastic resin composition excellent in impact resistance, particularly surface impact strength, which comprises a blend of: 95 to 5 parts by weight of a mixture of:(A) 1 to 100% by weight of a polyphenylene ether resin and(B) 0 to 99% by weight of an alkenyl aromatic resin, with(C) 5 to 95 parts by weight of a graft copolymer obtained by graft-copolymerizing (a) an alkenyl aromatic compound and, if necessary, (b) other unsaturated monomer onto (c) an ethylene-.alpha.-olefin copolymer rubber having a ratio (Q value) of weight average molecular weight/number average molecular weight as measured by GPC of 4.0 or less and having a Mooney viscosity at 121.degree. C. of 40 or more, in which graft copolymer the weight ratio of (a) the alkenyl aromatic compound/(b) the other unsaturated monomer/(c) the ethylene-.alpha.-olefin copolymer rubber is 20-80/0-18.4/80-20 (the total of the component (a) and the component (c) is 100 parts by weight) and the weight ratio of the component (b)/(the component (a)+the component (b)) is 0.23 or less.
摘要:
Thermally conductive resin compositions comprising polymer, calcium fluoride, fibrous filler and optionally, polymeric toughening agent are particularly useful for metal/polymer hybrid parts and as encapsulants.
摘要:
Disclosed is a method for integrating at least two heat transfer members to provide an integrated composite member, the method comprising: a) disposing the at least two heat transfer members in a mold cavity, such that said heat transfer members each have at least one exposed surface forming a surface of a resin injection cavity; and b) injecting a thermally conductive resin into the resin injection cavity to contact the exposed surfaces of the at least two heat transfer members, to form the integrated composite member; wherein the thermally conductive resin has a thermal conductivity of at least 0.7 W/mK or higher.
摘要:
Disclosed is a method for integrating at least two heat transfer members to provide an integrated composite member, the method comprising: a) disposing the at least two heat transfer members in a mold cavity, such that said heat transfer members each have at least one exposed surface forming a surface of a resin injection cavity; and b) injecting a thermally conductive resin into the resin injection cavity to contact the exposed surfaces of the at least two heat transfer members, to form the integrated composite member; wherein the thermally conductive resin has a thermal conductivity of at least 0.7 W/mK or higher.
摘要:
The invention discloses an injection molding method for manufacture of a metal-resin composite member; wherein the resin composition used in the method includes a plurality of metal particles having one or more metal melting points between about 200° C. and 400° C.; said resin composition is heated to a temperature higher than the resin melting point and higher than one or more metal melting points to provide a heated resin composition; and wherein injecting said heated resin into a mold results in contact of said heated resin with one or more disposed heated metal member(s) to provide a composite member.
摘要:
A stator assembly and a method for making a stator assembly wherein the stator assembly is over-molded with thermally conductive and electrically insulating polymer composition. The stator core of the stator assembly is coated with adhesive component to provide higher heat transfer at the interface of stator core and over-molded insulator and coil.
摘要:
The present invention relates to molded articles suitable for the transport or storage of fuels used in internal combustion engines and having improved fluid permeation barrier properties, made from a polyamide resin composition comprising: (a) 100 weight parts of a polyamide-containing compound, (b) 5 to 50 weight parts of phenolic novolac resin, and optionally (c) an ethylene/α-olefin copolymer impact modifier, where the impact modifier is present in up to 40 weight percent, based on the total weight of the composition.
摘要:
Polyester compositions comprising: 3 to 40 weight percent, preferably 3 to 30 weight percent, of at least one polyester, preferably polybutylene terephthalate, polytrimethylene terephthalate, polyethylene terephthalate, poly(ethylene 2,6-naphthoate), and poly(1,4-cyclohexyldimethylene terephthalate); 25 to 50 weight percent non-fibrous graphite, preferably a platy or particulate graphite; 10 to 40 weight percent inorganic filler selected from the group consisting of wollastonite, glass fibers, aramid fibers, ceramic fibers, potassium titanate whiskers, or combinations of them; 3 to 10 weight percent copolyether ester elastomer; wherein: the amount of a+b+c+d is 100 weight percent of the composition; the amount of b+c is at least 50 weight percent of the composition; the weight ratio of copolyether ester elastomer to polyester is from 0.3 to 0.4; and the composition has at least a 0.2 percent elongation, a thermal conductivity of at least 3 WmK, and a tensile strength of at least 25 MPa. Articles prepared from these compositions.
摘要翻译:聚酯组合物包含:3-40重量%,优选3-30重量%的至少一种聚酯,优选聚对苯二甲酸丁二醇酯,聚对苯二甲酸丙二醇酯,聚对苯二甲酸乙二醇酯,聚(2,6-萘甲酸乙烯酯)和聚(1,4- 环己基二亚甲基对苯二甲酸酯); 25至50重量%的非纤维状石墨,优选板状或颗粒状石墨; 10-40重量%的选自硅灰石,玻璃纤维,芳族聚酰胺纤维,陶瓷纤维,钛酸钾晶须或它们的组合的无机填料; 3至10重量%的共聚醚酯弹性体; 其中:a + b + c + d的量为组合物的100重量% b + c的量为组合物的至少50重量% 共聚醚酯弹性体与聚酯的重量比为0.3〜0.4; 并且组合物具有至少0.2%的伸长率,至少3WmK的热导率和至少25MPa的拉伸强度。 从这些组合物制备的制品。
摘要:
Thermally conductive polymer compositions comprising polymer, highly moisture resistant magnesium oxide, and filler having higher aspect ratio than 5. The compositions are particularly useful for metal/polymer hybrid parts.
摘要:
Disclosed is a thermoplastic composition including at least one semi-aromatic polyamide having a glass transition equal to or greater than 100° C. and a melting point of equal to or greater than 280° C.; a thermally conducting filler having a thermal conductivity of at least 5 W/mK, for instance CaF2 powder; and at least one hyperbranched polyesteramide having terminal hydroxy groups; and molded articles made therefrom.