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US 5,853,831 AGranted
Vibration welded hollow moldings of polyamide resin composition
AssigneeMitsubishi Engineering-Plastics Corporation
InventorsHiroshi Urabe, Hajime Oyama, Tatsuya Hitomi
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Abstract
The present invention relates to a vibration-molded hollow product comprising a polyamide resin composition which comprises (a) 40 to 89.97% by weight of a polyamide resin, (b) 10 to 59.97% by weight of a glass fiber, and (c) 0.03 to 10% by weight of a compound represented by the following formula (1) or formula (2). ##STR1##
Claims13
A vibration-molded hollow product comprising a polyamide resin composition which comprises
- (a) 40 to 89.97% by weight of the resin composition of a polyamide resin,
- (b) 10 to 59.97% by weight of the resin composition of a glass fiber, and
- (c) 0.03 to 10% by weight of the resin composition of a compound represented by the following formula (1) or formula (2):
- ##STR11## where R.sup.1 represents --CH.sub.2 --, --CH.sub.2 --CH.sub.2 -- or --CH(CH.sub.3)--CH.sub.2 --;
- R.sup.2 represents an alkyl group, an alkenyl group, an alkylcarbonyl group, an alkenylcarbonyl group or a phenyl group;
- R.sup.3 represents a hydrogen atom, an alkyl group, an alkenyl group or a phenyl group, and R.sup.2 and R.sup.3 do not represent a phenyl group simultaneously;
- and n is an integer of 1 to 200, ##STR12## where R.sup.4 represents --CH.sub.2 --, --CH.sub.2 --CH.sub.2 -- or --CH(CH.sub.3)--CH.sub.2 --;
- R.sup.5, R.sup.5 ', R.sup.5 " represent independently a hydrogen atom, an alkyl group, an alkenyl group, or a phenyl group;
- R.sup.6 represents an alkyl group, an alkenyl group or a phenyl group;
- and m is an integer of 1 to 200.
7 more elements
A method of forming a vibration-molded hollow product, said method comprising
- (i) molding plural hollow parts from a polyamide resin composition comprising
- (a) 40 to 89.97% by weight of the resin composition of a polyamide resin,
- (b) 10 to 59.97% by weight of the resin composition of a glass fiber, and
- (c) 0.03 to 10% by weight of the resin composition of a compound represented by the following formula (1) or formula (2):
- ##STR13## wherein R.sup.1 represents -CH.sub.2 --, --CH.sub.2 --CH.sub.2 -- or CH(CH.sub.3)--CH.sub.2 --;
- R.sup.2 represents an alkyl group, an alkenyl group, an alkylcarbonyl group, an alkenylcarbonyl group or a phenyl group, R.sup.3 represents a hydrogen atom, an alkyl group, an alkenyl group or a phenyl group, and R.sup.2 and R.sup.3 do not represent a phenyl group simultaneously;
- and n is an integer of 1 to 200, ##STR14## wherein R.sup.4 represents --CH.sub.2 --, --CH.sub.2 --CH.sub.2 -- or CH(CH.sub.3)--CH.sub.2 --;
- R.sup.5, R.sup.5 ', R.sup.5 ' represent independently a hydrogen atom, an alkyl group, an alkenyl group, or a phenyl group, R.sup.6 represents an alkyl group, an alkenyl group or a phenyl group;
- and m is an integer of 1 to 200, and
- (ii) vibration welding the molded hollow parts of step (i) to form a vibration-molded hollow product.
7 more elements
Dependencies are inferred from the claim text.