摘要:
A novel thermoplastic resin composition excellent in heat resistance, mechanical properties and processability is provided which comprises a composition containing (A) a dispersing phase of polyphenylene ether obtained by oxidation polymerization of at least one phenol compound represented by the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 each represents a hydrogen atom, a halogen atom or a substituted or unsubstituted hydrocarbon residue and at least one of them is a hydrogen atom and (B) a crystalline thermoplastic resin matrix phase and (C) a mutual compatibilizer compatible with (A) and/or (B), an average particle diameter in said dispersing phase having of 0.01-10.mu..
摘要:
A thermoplastic resin composition suitable for shaped articles comprises (A) 100 parts by weight of a composition consisting of (a) from 5-95% by weight of a polyphenylene ether and (b) from 95-5% by weight of a polyamide, (B) from 5-100 parts by weight of a reactive group-modified copolymer rubber, and (C) from 0.01-30 parts by weight of a copolymer of unsaturated epoxy compound/ethylene/(/ethylenically unsaturated compound).
摘要:
A thermoplastic resin composition comprises a polyphenylene ether having a reduced viscosity within the range of 0.30 dl/g or more and less than 0.45 dl/g, an aliphatic polyamide, a specified compatibilizing agent, and a rubber material. The composition has a high in heat distortion temperature and is superior in processability.
摘要:
A novel thermoplastic composition having improved paint adhesion strength and excellent impact strength comprising,A) from about 5 to 95 weight % of at least one polyphenylene ether,B) from about 95 to 5 weight % of at least one polyamide,C) from about 5 to 50 parts by weight based on 100 parts by weight of the total of polyphenylene ether and polyamide, of at least one elastomeric material selected from ethylene .alpha.-olefin (diene) copolymers with at least one vinyl aromatic monomer and at least one unsaturated functional monomer selected from unsaturated nitrile monomers and alkyl(meth)acrylates grafted thereto, andD) from about 0.01 to 30 parts by weight of at least one compatibilizer, based on 100 parts by weight of the total of polyphenylene ether and polyamide.
摘要:
A robot includes a base; a swivel unit rotatably arranged on the base; a lower arm having a base end portion, a tip end portion and a side surface, the base end portion rotatably supported on the swivel unit to enable the lower arm to swing in a front-rear direction; and first and second cable bundles arranged on the side surface of the lower arm to extend along a longitudinal direction of the lower arm. The robot further includes a cable bundle support mechanism including a guide unit for supporting the first and second cable bundles to move in the longitudinal direction of the lower arm.
摘要:
A robot wrist structure includes a first wrist arm rotatable about a first axis, a second wrist arm provided in a tip end portion of the first wrist arm and configured to swing about a second axis substantially intersecting the first axis, a wrist flange provided in a tip end portion of the second wrist arm and configured to rotate about a third axis in a skew position with respect to the second axis, an intermediate member fixed to the wrist flange, and a cable bundle connected to an end effector fixed to the intermediate member. The cable bundle extends through the second wrist arm, the wrist flange and the intermediate member and drawn out from the intermediate member to reach the end effector.
摘要:
A parallel link robot includes a housing, a plurality of driving devices, and a plurality of arms. The housing includes arm coupling openings and a receiving opening. The plurality of driving devices are disposed in the receiving opening of the housing. The plurality of driving devices are attachable and detachable from and in a direction above the receiving opening. The plurality of arms are coupled to the respective driving devices through the respective arm coupling openings.
摘要:
A robot wrist structure includes a first wrist arm rotatable about a first axis, a second wrist arm provided in a tip end portion of the first wrist arm and configured to swing about a second axis substantially intersecting the first axis, a wrist flange provided in a tip end portion of the second wrist arm and configured to rotate about a third axis in a skew position with respect to the second axis, an intermediate member fixed to the wrist flange, and a cable bundle connected to an end effector fixed to the intermediate member. The cable bundle extends through the second wrist arm, the wrist flange and the intermediate member and drawn out from the intermediate member to reach the end effector.
摘要:
There is provided a process for producing a modified ethylene-vinylcyclohexane copolymer resin, which comprises the steps of: (1) blending at least the following components (A) to (C) to produce a blend; (A) 100 parts by weight of an ethylene-vinylcyclohexane copolymer resin, (B) from 0.1 to 20 parts by weight of at least one compound selected from the group consisting of: (B1) a compound having in its molecule (i) at least one carbon-carbon double or triple bond and (ii) at least one polar group, and (B2) a compound having in its molecule (iii) an OR group and (iv) at least two same or different functional groups selected from the group consisting of a carboxylic acid group, an acid halide group, an acid anhydride group, an acid halide anhydride group, an acid ester group, an acid amide group, an imide group, an imido group, an amino group and a salt of an amino group, wherein the R is hydrogen, an alkyl group, an aryl group, an acyl group or a carbonyldioxy group, and (C) from 0.01 to 20 parts by weight of an organic peroxide, and (2) melt-kneading said blend in a kneading apparatus to produce a modified thylene-vinylcyclohexane copolymer resin.
摘要:
Disclosed are multilayer pellets comprising a core of a first material comprising a first thermoplastic resin and a sheath layer of a second material comprising a second thermoplastic resin, the sheath layer surrounding the core, wherein (i) the first thermoplastic resin has a melt index, measured at a temperature of 230° C. and a load of 21.2 N, of 200 g/10 min or more, provided that the melt index of the second thermoplastic resin measured at a temperature of 230° C. and a load of 21.2 N is different from that of the first thermoplastic resin or (ii) the first thermoplastic resin is a modified thermoplastic resin having a structure originating in a compound having an unsaturated group.