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Thermoplastic resin composition for cleaning applications, and cleaning method

A technology of thermoplastic resin and composition, which is applied in the field of thermoplastic resin composition for cleaning, and can solve the problems of increased manufacturing cost of thermoplastic resin composition, generation of foaming agent, harmful gas from decomposition residue, etc.

Active Publication Date: 2014-05-07
MITSUBISHI GAS CHEM CO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the addition of a chemical blowing agent not only increases the production cost of the thermoplastic resin composition for cleaning, but also may cause problems such as decomposition residues and harmful gases of the blowing agent.

Method used

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  • Thermoplastic resin composition for cleaning applications, and cleaning method
  • Thermoplastic resin composition for cleaning applications, and cleaning method

Examples

Experimental program
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Embodiment 1

[0046] Example 1 relates to the cleaning thermoplastic resin composition and cleaning method of the present invention. The thermoplastic resin composition for cleaning of Example 1 contains:

[0047] (A) 30 parts by mass to 90 parts by mass of polycarbonate resin with a melt mass flow rate (MFR) of 1 g / 10 minutes to 12 g / 10 minutes at a test temperature of 300°C and a nominal load of 1.2 kg share;

[0048] (B) 5 parts by mass of acrylonitrile-styrene copolymer with a melt mass flow rate (MFR) value of 4 g / 10 minutes to 10 g / 10 minutes at a test temperature of 220°C and a nominal load of 10 kg ~70 parts by mass;

[0049] (C) 0.5 to 5 parts by mass of one or more lubricants; and

[0050] (D) 5 to 40 parts by mass of one or more inorganic fillers,

[0051] The water content of this cleaning thermoplastic resin composition is 0.1 mass % or more.

[0052] Furthermore, in the cleaning method of Example 1, the cleaning thermoplastic resin composition of Example 1 was used to cle...

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Abstract

A thermoplastic resin composition for cleaning applications comprises (A) 30 to 90 parts by mass of a polycarbonate resin having a melt mass flow rate of 1 to 12g / 10min. as measured under the conditions of a test temperature of 300 DEG C and a nominal load of 1.2 kg, (B) 5 to 70 parts by mass of an acrylonitrile-styrene copolymer having a melt mass flow rate of 4 to 10g / 10min. as measured under the conditions of a test temperature of 220 DEG C and a nominal load of 10 kg, (C) 0.5 to 5 parts by mass of at least one lubricant, and (D) 5 to 40 parts by mass of at least one inorganic filler, and has a water content of 0.1 mass% or more.

Description

technical field [0001] The present invention relates to a thermoplastic resin composition for cleaning and a cleaning method. Background technique [0002] The injection molding machine used for injection molding is equipped with a molding cylinder (sometimes called a heating cylinder or barrel) for plasticizing and melting the raw material thermoplastic resin. Moreover, the extrusion molding machine used for extrusion molding is equipped with the heating cylinder which has a mold|die, and plasticizes and melts a raw material thermoplastic resin. Therefore, when changing the thermoplastic resin to be used, it is necessary to clean the inside of the molding cylinder or the heating cylinder (hereinafter, they may be collectively referred to as "molding cylinder, etc."). For this purpose, a cleaning thermoplastic resin is used. combination. [0003] In order to extrude the thermoplastic resin remaining inside the molding cylinder and the like, the thermoplastic resin composit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00B29C33/72B29C45/17C08K3/00C08L25/12
CPCB29C33/722B29C45/1753C08K3/013C08L25/12C08L69/00
Inventor 造田敬一茅野义弘田原久志中尾公隆鲍哈达
Owner MITSUBISHI GAS CHEM CO INC
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