Composite yarn and method for producing the same, continuous fiber-reinforced resin molded product, and method for producing composite molded product

A composite filament and continuous technology, which is applied in the field of continuous fiber reinforced resin molding of high degree and rigidity, and the manufacture of composite material moldings, can solve the problem of resin impregnation and treatment of the surface roughness of continuous reinforced fiber dense composite filaments. problems such as the relationship between properties, etc., to achieve the effects of excellent flexibility, improved productivity, and excellent resin impregnation properties

Active Publication Date: 2022-07-01
ASAHI KASEI KK
View PDF19 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, these patent documents do not describe at all the relationship between the density of continuous reinforcing fiber bundles, the surface roughness of composite yarns, and resin impregnation and handling properties during molding.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Composite yarn and method for producing the same, continuous fiber-reinforced resin molded product, and method for producing composite molded product
  • Composite yarn and method for producing the same, continuous fiber-reinforced resin molded product, and method for producing composite molded product
  • Composite yarn and method for producing the same, continuous fiber-reinforced resin molded product, and method for producing composite molded product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-1

[0562] The composite yarn was produced under the following conditions.

[0563] In this example, the wire diameter gauge and resin temperature pressure gauge are not used.

[0564] [Material used]

[0565] [Continuous Reinforcing Fiber]

[0566] Continuous Reinforcing Fiber (A)

[0567] [Thermoplastic resin (coating resin)]

[0568] PA66 (1402S-011, manufactured by Asahi Kasei Co., Ltd.)

[0569] [Clad Conditions]

[0570] Number of glass fiber bundles: 3

[0571] Inner diameter of hole A: 0.60mm

[0572] Inner diameter of hole B: 0.60mm

[0573] Distance between holes AB: 2.0mm

[0574] Resin extrusion speed: 40rpm

[0575] Coiling speed: 500m / min

[0576] The temperature of the die head (the temperature of the barrel outlet and hole A, hole B): 300℃

[0577] The set temperature of the barrel part of the extruder: 300°C

[0578] Silk tension: 0.2N

[0579] [Operation steps]

[0580] After the continuous reinforcing fibers were passed through the holes A and B, o...

Embodiment 1-2

[0584] [Clad Conditions]

[0585] A composite yarn was produced in the same manner as in Example 1-1, except that the inner diameter of the hole A was 0.55 mm.

Embodiment 1-3

[0587] [Clad Conditions]

[0588] A composite yarn was produced in the same manner as in Example 1-2, except that the yarn tension was 1.0 N.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
surface roughnessaaaaaaaaaa
surface roughnessaaaaaaaaaa
surface roughnessaaaaaaaaaa
Login to view more

Abstract

The present invention provides a thermoplastic resin-coated reinforced fiber composite yarn, a method for producing the composite yarn, a continuous fiber-reinforced resin molded body, and a method for producing a composite molded body, which are excellent in resin impregnation during molding, even in short A molded article with high physical properties can be produced even during molding over time, and it is also excellent in flexibility as a thread and excellent in handleability during weaving and weaving.

Description

technical field [0001] The present invention relates to a thermoplastic resin-coated reinforcing fiber composite yarn, a method for producing the composite yarn, a continuous fiber-reinforced resin molded body, and a method for producing a composite material molded body. More specifically, the present invention relates to a composite yarn comprising a thermoplastic resin-coated reinforcing fiber composite yarn in which the entire periphery of a bundle of continuous reinforcing fibers serving as a multifilament is coated with a thermoplastic resin, wherein the composite yarn is The continuous reinforcing fibers are densely present in the bundle of the continuous reinforcing fibers and / or the surface roughness of the composite yarn is small, or the thermoplastic resin is composed of two or more kinds of resins; the present invention also relates to the production method and resin of the composite yarn A method (including a drawing method) for producing a continuous fiber-reinfor...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): D02G3/36B29B11/16B29B15/14B29C48/15B29C48/34B29C70/16C08J5/04B29K105/18
CPCB29C48/34B29C70/16C08J5/04D02G3/36B29B15/122B29B7/90B29C48/154B29C48/2883B29C48/793
Inventor 小松原义彰秋山努安田和治荒谷悠介
Owner ASAHI KASEI KK
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap