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Fiber-reinforced thermoplastic resin composition, composite molded article using the same, and preparing method for the composite molded article

A thermoplastic resin, resin molding technology, applied in the direction of manufacturing tools, laser welding equipment, welding equipment, etc., to achieve the effect of improving joint strength

Inactive Publication Date: 2015-09-30
DAICEL POLYMER LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no specific description for the resin and the composition containing it

Method used

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  • Fiber-reinforced thermoplastic resin composition, composite molded article using the same, and preparing method for the composite molded article
  • Fiber-reinforced thermoplastic resin composition, composite molded article using the same, and preparing method for the composite molded article
  • Fiber-reinforced thermoplastic resin composition, composite molded article using the same, and preparing method for the composite molded article

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0179] Example 1 (fiber-reinforced thermoplastic resin composition)

[0180] While drawing the continuous fiber as component (B) (GF1) through a right-angle die, supply component (A) (PP (including MAH-PP)) in a molten state from an extruder with a temperature setting of 250°C to The right-angle die is impregnated in the above-mentioned continuous fiber, and is taken out as a strand (strand) through a gut-shaped die.

[0181] After cooling, it was cut at right angles to the stretching direction to obtain pellets (cylindrical fiber-reinforced thermoplastic resin composition) with a pellet length of 11 mm.

[0182] In addition, (C)component (ER1) and (D)component (MF1) are supplied together with the thermoplastic resin of a molten state. The length of the above-mentioned pellets is the same as the length of the glass fiber of the component (B).

Embodiment 2～5

[0183] Examples 2 to 5 (fiber-reinforced thermoplastic resin composition)

[0184] While stretching the continuous fiber as component (B) (GF2) through a right-angle die, supply (A) component (PA6) to the right-angle die in a molten state from an extruder set at a temperature of 260°C, and impregnate it in Among the above-mentioned continuous fibers, they are taken out as strands through a gut-shaped die.

[0185] After cooling, it was cut at right angles to the stretching direction to obtain pellets (cylindrical fiber-reinforced thermoplastic resin composition) with a pellet length of 9 mm.

[0186] In addition, (C)component (ER1 or ER2) and (D)component (MF1 or MF2) are supplied together with the thermoplastic resin of a molten state. The length of the above-mentioned pellets is the same as the length of the glass fiber of the component (B).

Embodiment 6

[0187] Example 6 (fiber-reinforced thermoplastic resin composition)

[0188] The continuous fiber of component (B) (GF2) is continuously stretched through the right-angle die, and the component (A) (PA6) is supplied to the right-angle die in a molten state from an extruder with a set temperature of 260°C, and impregnated in Among the above-mentioned continuous fibers, they are taken out as strands through a gut-shaped die.

[0189] After cooling, it was cut at right angles to the stretching direction to obtain pellets (cylindrical fiber-reinforced thermoplastic resin composition) with a pellet length of 9 mm.

[0190] It should be noted that, in terms of (C) component (ER2) and (D) component (MF2), masterbatch pellets are prepared with (A) component (PA6) as the base resin, and dry-blended to obtain fiber-reinforced thermoplastic resin composition.

[0191] The masterbatch pellets are pellets produced by a single-screw extruder with a set temperature of 240°C after mixing at...

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Abstract

The invention relates to a fiber-reinforced thermoplastic resin composition used for a resin molding material serving as a composite molded article comprising a metal molded body and a resin molded body. The fiber-reinforced thermoplastic resin composition used for preparing the resin molded body of the composite molded article composed of the metal molded body and a resin molded body includes (A) thermoplastic resin, (B) reinforcing fibers exclusive of milled fibers, (C) thermoplastic elastomer and (D) milled fibers.

Description

technical field [0001] The present invention relates to a fiber-reinforced thermoplastic resin composition used in the production of a composite molded article composed of a metal molded article and a resin molded article, a composite molded article using the composition, and a method for manufacturing the composite molded article. Background technique [0002] From the viewpoint of reducing the weight of various parts, resin molded bodies are used as metal substitutes, but it is often difficult to replace all metal parts with resins. In such a case, it is conceivable to manufacture a new composite part by joining and integrating a metal molded body and a resin molded body. [0003] However, a technology capable of joining and integrating a metal molded body and a resin molded body with high joint strength by an industrially advantageous method is desired. [0004] Japanese Patent No. 4020957 discloses an invention of a laser processing method for bonding a metal surface wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/14B23K26/00
CPCB29C45/14008B29C2045/14237B23K26/356C08K7/02C08K2201/004C08L23/00C08L77/00C08L2207/04
Inventor 池田大次片山昌广
Owner DAICEL POLYMER LTD
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