POLYKETONE RESIN COMPOSITION HAVING OUTSTANDING WATER RESISTANCE
The present invention relates to a polyketone resin composition and to a production method therefor; and relates to a polyketone copolymer having outstanding water resistance, moisture-absorption rate and shock resistance, characterised in that the polyketone copolymer comprises repeat units represented by general formulae (1) and (2) and has an intrinsic viscosity of between 1.0 and 2.0 dl/g. Because of the outstanding moisture-absorption rate and shock resistance, the present invention can be used in, inter alia, marine bolts, clips and holders, connectors, switches, bobbins, sludge-treatment chains, cable ties, automotive fuel injection ports, green juicer screws, office partition frames and box frames. —[—CH2CH2-CO]x- (1) —[—CH2-CH(CH3)-CO]y- (2)
1 - 96 . (canceled)
97 . A polyketone copolymer having outstanding water resistance, moisture-absorption rate and shock resistance comprising repeating units represented by the following general formulas (1), (2) of which intrinsic viscosity is from 1.0 to 2.0 dl/g and molecular weight distribution is from 1.5 to 2.5
—[—CH2CH2-CO]x- (1)
—[—CH2-CH(CH3)-CO]y- (2)
(wherein x,y represents the mole % of each of general formulas (1) and (2) in the copolymer, and y/x of the general formulas (1) and (2) is from 0.03 to 0.3).
98 . The polyketone copolymer according to claim 97 , wherein the remaining amount of palladium catalyst of the polyketone copolymer is not more 50 ppm.
99 . The polyketone copolymer according to claim 97 , wherein a ligand of catalyst composition used in polymerization of the polyketone copolymer is ((2,2-dimethyl-1,3-dioxane-5,5-diyl)bis(methylene))bis(bis(2-methoxyphenyl)phosphine).
100 . A component selected from the group consisting of tube fixing clip or tube fixing holder for attaching to a car body and connector produced by the polyketone copolymer according to any one of claims 97 to 99 .
101 . A component selected from the group consisting of green juicer screw, gasket for accumulator, gear for robot cleaner and partition frame produced by the polyketone copolymer according to any one of claims 97 to 99 .
102 . The component according to claim 100 , wherein the wear amount is not more 1.00 mm3/kg/km, the decline rate of flexural modulus is not more 30% in forced wetting evaluation and the moisture-absorption rate is less 1.0%.
103 . The component according to claim 101 , wherein the wear amount is not more 1.00 mm3/kg/km, the decline rate of flexural modulus is not more 30% in forced wetting evaluation and the moisture-absorption rate is less 1.0%.
104 . A polyketone resin composition characterized in that it is produced by injection molding a blend comprising:
a polyketone copolymer of carbon monoxide and at least one olefins of which intrinsic viscosity is from 1.0 to 2.0 dl/g and molecular weight distribution is from 1.5 to 2.5; and
one or two more additive material selected from the group consisting of glass fibers, para-aramid, a flame retardant, rubber, a mineral filler, acrylonitrile butadiene styrene(ABS), nylon 6I and silane additives.
105 . The polyketone resin composition according to claim 104 ,wherein the polyketone resin composition comprises 50-99 wt % of the polyketone copolymer and 1-50 wt % of the additive material.
106 . The polyketone resin composition according to claim 104 , wherein a ligand of catalyst composition used in polymerization of the polyketone copolymer is ((2,2-dimethyl-1,3-dioxane-5,5-diyl)bis(methylene))bis(bis(2-methoxyphenyl)phosphine).
107 . The polyketone resin composition according to claim 104 , characterized in that the flame retardant is one selected from the group consisting of the halogen-based flame retardant, phosphorus-based flame retardant, hydrated metal compound, a silicon compound, a silicate, the alkali metal salt and the melamine-based flame retardant.
108 . The polyketone resin composition according to claim 104 , wherein the rubber is ethylene propylene diene monomer rubber.
109 . The polyketone resin composition according to claim 104 , wherein the mineral filler comprises one filler selected from the group consisting of talc, kaolin, mica, wollastonite, TiO2-coated mica platelets, silica, alumina, borosilicate and oxides.
110 . A component selected from the group consisting of molding product for automobile fuel container, automobile fuel inlet, outside mirror frame, automobile exterior wheel cover, automobile wheel accessory and automobile radiator end tank produced by the polyketone resin composition according to any one of claims 104 to 109 .
111 . A component selected from the group consisting of polyketone bolt, industrial switch, bobbin, chain for waste water sludge treatment, cable tie, component for drinking water, pressure cooker clean cover, gasket for alkaline battery and box frame produced by the polyketone resin composition according to any one of claims 104 to 109 .
112 . The component according to claim 110 , wherein properties maintenance rate is not less 80% in condition of temperature 50° C. and relative humidity 90% after treatment for 24 hours, and the moisture-absorption rate is not more than 1.5%.