Glass fiber reinforced polyamide composition and the process for manufacturing the same
First Claim
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1. Glass fiber reinforced polyamide composition comprising:
- (A) 100 parts by weight of the mixture of (a) 95-60 parts by weight of crystalline aliphatic polyamide, (b) 5-40 parts by weight of amorphous polyamide and (c) 0.2-10 parts by weight of crystalline aliphatic copolyamide having a melting point at least 20°
C. lower than that of the crystalline polyamide of (a), and(B) 100-250 parts by weight of glass fiber.
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Abstract
Polyamide composition having a high strength, high-rigidity and high impact characteristics with a smooth surface and improved in the decrease of physical properties by water absorption are made by compounding 100-250 parts by weight of glass fiber and 100 parts of weight of a mixture of 95-60 parts by weight of crystalline aliphatic polyamide, 0.2-10 parts by weight of crystalline copolyamide and 5-40 parts by weight of amorphous polyamide.
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Citations
2 Claims
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1. Glass fiber reinforced polyamide composition comprising:
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(A) 100 parts by weight of the mixture of (a) 95-60 parts by weight of crystalline aliphatic polyamide, (b) 5-40 parts by weight of amorphous polyamide and (c) 0.2-10 parts by weight of crystalline aliphatic copolyamide having a melting point at least 20°
C. lower than that of the crystalline polyamide of (a), and(B) 100-250 parts by weight of glass fiber.
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2. A process of manufacturing fiber reinforced polyamide wherein a tumble blend of:
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(A) 100 parts by weight of the mixture of (a) 95-60 parts by weight of crystalline aliphatic polyamide, (b) 5-40 parts by weight of amorphous polyamide and (c) 0.2-10 parts by weight of crystalline aliphatic copolyamide having a melting point at least 20°
C. lower than that of the crystalline polyamide of (a), and(B) 100-250 parts by weight of glass fiber, are injection-molded by an injection molding machine equipped with a kneading mechanism.
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Specification