Method for producing resin composition containing natural material filler, and resin composition produced by the method

The technology of a resin composition and a manufacturing method, which are applied in the directions of manufacturing tools, impregnating wood, wood impregnation, etc., can solve the problems of low blackening effect of natural fillers, and achieve the effects of inhibiting blackening and preventing strength reduction.

Inactive Publication Date: 2006-01-04
PALM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, in these methods, there is a problem that the effect of suppressing blackening of natural fillers is low.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 12

[0107] (i) Manufacture of the test piece: In a twin-screw extruder (BT30 (trade name)), component A-1 and component B-1 of the same composition as Example 1 were mixed and granulated (barrel temperature 260°C, screw speed 160rpm). At this time, the raw material component A-1 and component B-1 are simultaneously supplied in predetermined amounts by an automatic supply device from different supply ports. The thus-produced resin composition was molded into a JIS standard test piece (1A type of JIS-K7162, t=4mm), and the physical property evaluation was performed using it. The test piece was produced by molding (molding temperature: 260° C., mold temperature: 150° C.) using an injection molding machine AN100 (trade name) manufactured by Niigata Iron Works. Using the obtained test piece, the following test was performed. As a result, the tensile strength was 30Mpa, the tensile elongation was 4%, the flexural strength was 45Mpa, the flexural modulus was 2400Mpa, the Izod impact st...

Embodiment 13

[0113] In a twin-screw extruder (BT30 (trade name)), component A-1 and component B-1 with the same composition as in Example 1 were mixed and granulated (260° C. of barrel temperature, 160 rpm of screw revolutions) . At this time, the raw material component A-1 and component B-1 are simultaneously supplied in predetermined amounts by an automatic supply device from different supply ports. The thus-produced resin composition was molded in a profile extruder for vinyl chloride to obtain a model long-sized board for building materials (approximate size: width 120 mm x average thickness 2 mm). Formability was good, and the resulting long-gauge board had good wood appearance, strength and dimensional accuracy. Thus, according to the production method of the present invention, a resin product having good moldability can be provided.

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PUM

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Abstract

In a method for producing a natural material filler-containing resin composition by kneading a resin and a natural material filler, the kneading is carried out in the presence of a boron compound. The natural material filler may be treated with the boron compound preliminarily before the kneading. The natural material filler-containing resin composition that makes it possible to avoid blackening even if the kneading is carried out at a high temperature provides, when being molded, resin products that exhibit excellent natural-material-like texture.

Description

technical field [0001] The present invention relates to a method for producing a resin composition containing a natural filler and the resin composition obtained therefrom. Background technique [0002] In recent years, various resin compositions containing natural fillers have attracted attention in connection with the increase of global environmental problems. As such a resin composition, for example, it is possible to use various existing thermoplastic resins (including biodegradable resins, recycled (recycled) resins, etc.) as a base material, kneading wood chips, A resin composition obtained from natural fillers such as wood powder, bamboo powder, pulp from waste paper or waste magazines. Resin products formed from these resin compositions have the advantage of excellent texture of natural materials because their texture, appearance, and feel are close to those of wood, bamboo, and plant fibers. In addition, such resin products can maintain a certain level of molding ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L101/00C08K13/02
CPCC08L99/00C08L97/02C08K3/38C08L67/02C08J3/203C08L23/10B29B7/90C08L2666/26C08L2666/02B27K3/52C08J3/20C08K5/00
Inventor 三山重敏冈田勇一
Owner PALM
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