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Integrally extrusion-molded object and building member

An extrusion molding and one-piece technology, which is applied in the field of one-piece extrusion molding and construction components, can solve the problems of reduced adhesion, easy peeling and floating of the covering layer, and achieves improved adhesion and excellent adhesion Effect

Active Publication Date: 2013-07-17
KURASHIKI BOSEKI KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the above-mentioned extruded covering materials have a problem that sufficient adhesiveness cannot be obtained between the core material and the covering layer
For example, the adhesiveness decreases due to long-term storage or use, the adhesiveness decreases due to repeated exposure to cold and heat, or the adhesiveness decreases due to contact with water
This reduction in adhesion causes the following problems: a difference in the expansion and contraction of the core material and the coating layer due to temperature changes, and this difference causes defects such as the core material becoming visible; The corners and inner corners float during manufacture or use; if the surface resin is damaged, the covering layer is easy to peel off

Method used

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  • Integrally extrusion-molded object and building member
  • Integrally extrusion-molded object and building member
  • Integrally extrusion-molded object and building member

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～8

[0109] (Examples 1-8 / Comparative Examples 1-3)

[0110] A co-extruded integrated extrusion molding machine is used to manufacture an integrally extruded molded body. Specifically, the materials for the adhesive layer and the materials for the covering layer shown in Table 1 were simultaneously extruded from the extruder 11 and the extruder 12 respectively, laminated and coated on the aluminum core material 10 in the mold 13, and produced It is an integrally extruded body that has an adhesive layer and a coating layer on the entire circumference of the outer surface of the aluminum core material. In addition, extrusion conditions and core material conditions are as follows.

[0111] Extruder 11: 40φ, single-screw extruder (extrusion temperature is about 140°C)

[0112] Extruder 12: 50φ, single-screw extruder (extrusion temperature is about 165°C)

[0113] For aluminum core materials, preheating (approximately 100°C) is performed just before insertion into the mold.

[0114]...

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Abstract

The present invention provides: an integrally extrusion-molded object having a coating layer which shows sufficient adhesiveness even after long-term storage or use, repetitions of heating and cooling, or contact with water; and a building member. The integrally extrusion-molded object comprises a metallic core (10) and, formed on the outer surface thereof, a coating layer (1) comprising a polyolefin resin and wood flour and an adhesive layer (2) formed between the coating layer and the core, the adhesive layer (2) comprising a copolymer obtained by polymerizing at least an a-olefin and an epoxidized unsaturated monomer. The building member comprises the integrally extrusion-molded object.

Description

technical field [0001] The present invention relates to an integrally extruded molded body containing a metal core material and a building member. Background technique [0002] Conventionally, as an integrally extruded product including a metal core material, a composite extrusion coating material having a base material composed of a metal such as aluminum and a coating material that is extrusion coated on the base material is known. layer, and the coating layer contains at least a thermoplastic synthetic resin and wood powder, and the thermoplastic synthetic resin is polyethylene (Patent Document 1). Such a composite extrusion covering material can obtain a high-quality woody feeling because the covering layer contains wood powder. [0003] However, the above extrusion coating material has a problem that sufficient adhesiveness cannot be obtained between the core material and the coating layer. For example, the adhesiveness decreases due to long-term storage or use, the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B15/085
CPCB32B15/085B32B7/12B32B27/08B32B3/04B32B3/30B32B2255/06B32B15/092B32B2597/00B32B15/20B32B27/20B32B2264/067B32B2255/20B32B27/32Y10T428/2495Y10T428/2457Y10T428/31522
Inventor 横田克彦广谷辉彦一濑胜哉
Owner KURASHIKI BOSEKI KK
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