Flame-retardant resin composition and molded body using same

A resin composition and a flame-retardant technology, which are applied in the field of flame-retardant resin compositions and molded bodies using the same, can solve the problems of low volume intrinsic resistance value, reduced mechanical properties of flame-retardant materials, inability to obtain insulation resistance, and the like, Achieve excellent insulating properties, high flame retardancy and mechanical properties

Inactive Publication Date: 2007-11-28
FURUKAWA ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] In recent years, when these resin compositions are discarded without proper treatment, there are controversial problems in that plasticizers and heavy metal stabilizers contained in coating materials are dissolved and eluted, or a large amount of corrosive gas is generated, and dioxins are generated. Wait
However, in the case of polyethylene resin, etc., VW-1 cannot be satisfied even if a large amount of metal hydrate is filled, and even if flame retardancy is achieved, there is a problem that the mechanical properties of the flame-retardant material are significantly lowered
In addition, as described in Japanese Unexamined Patent Application Publication No. 2001-135142, it is known that a non-halogen flame-retardant material filled with a large amount of magnesium hydroxide has a low volume specific resistance value, and when used as a coating material for an insulated wire, there is a possibility that an appropriate insulation resistance cannot be obtained. question

Method used

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  • Flame-retardant resin composition and molded body using same

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Embodiment

[0090] Magnesium hydroxide (11) ~ (15), (20)

[0091] Magnesium hydroxide (11)-(15), (20) was produced by the method shown below.

[0092] Add 400 ml of magnesium chloride aqueous solution (Wako Pure Chemical Industries, Ltd.) adjusted to a concentration of 0.5 mol / L in the autoclave and boric acid (manufactured by BORAX) in an appropriate amount within the range of 0.01 to 150 mol % relative to magnesium chloride, and stir under 121 ml of 3N caustic soda solution was added dropwise and reacted at room temperature (25° C.) for 30 minutes to obtain a magnesium hydroxide particle suspension.

[0093] The suspension was hydrothermally treated at 180°C for 2 hours, dehydrated, washed with water (200 ml), and dried at 105°C for 24 hours to obtain magnesium hydroxide having a predetermined aspect ratio and BET specific surface area. The obtained magnesium hydroxide is then surface-treated with a silane coupling agent and oleic acid to obtain magnesium hydroxide (11)-(15) and (20). ...

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Abstract

Disclosed is a flame-retardant resin composition containing 60-320 parts by mass of a magnesium hydroxide (B) per 100 parts by mass of a resin component (A) which contains 50-100% by mass of an ethylene copolymer (a), 0-50% by mass of an acrylic rubber (b) and 0-30% by mass of a modified polyolefin resin (c) which is modified with an unsaturated carboxylic acid or a derivative thereof. The magnesium hydroxide (B) contains 5-320 parts by mass of a magnesium hydroxide (B-1), which has an aspect ratio of 6-25 and a BET specific surface area of 8-25 m2/g, per 100 parts by mass of the resin component (A).

Description

technical field [0001] The present invention relates to a coating material suitable for insulated wires, cables, flexible wires (电気コード) or optical fiber core wires, optical fiber wires, etc. used in internal and external wiring of electric / electronic instruments, or as power cords Flame-retardant resin compositions for mold materials, pipes, sheets, etc., and wiring materials and molded articles using the same. Corrosive gas flame retardant resin composition and molded article thereof. More specifically, it relates to a flame-retardant resin composition having excellent mechanical properties and high flame retardancy, and excellent insulating properties when used as a covering material for electric wires, and a molded article thereof. Background technique [0002] For covering materials of insulated wires used in internal and external wiring of electric / electronic equipment, vinyl copolymers containing polyvinyl chloride compounds or halogen-based flame retardants containin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/04C08K3/22
Inventor 西口雅己水野晃一
Owner FURUKAWA ELECTRIC CO LTD
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