Environmental protection flame retardant styrene resin

A technology of styrene resin and styrene, which is applied in the field of environmentally friendly flame-retardant styrene resin, can solve the problems of high price, shrinking market, rising cost, etc., and achieve good fluidity and stability

Inactive Publication Date: 2009-06-17
TIANJIN DEHAO NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This makes the traditional product market that uses polybrominated biphenyls and polybrominated diphenyl ethers as flame retardants gradually shrink
However, most of the halogen-free flame r

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0025] Example: ABS special material for air conditioner shell

[0026] ABS 90kg

[0027] Main flame retardant 18kg

[0028] Auxiliary flame retardant 7kg

[0029] Toughening agent 10kg

[0030] Antioxidant 0.08kg

[0031] Stabilizer 0.3kg

[0032] Titanium dioxide 0.06kg

[0033] Fluorescent brightener 0.005kg.

[0034] Put the ABS resin, toughening agent, flame retardant, smoke suppressant, and antioxidant into a high-mixer at low speed and mix for 5-10 minutes, then add the pigment and mix at high speed for 5 minutes, and then discharge to obtain the mixed ingredients. Add the mixed ingredients to a twin-screw mixer (length-to-diameter ratio greater than 35), in the temperature range of 150 to 190 ℃, under the condition of the screw speed not exceeding 500 rpm, extrude, heat-cut, and air-cooled to obtain the air-conditioning shell. ABS special material.

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PUM

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Abstract

The invention relates to an environmentally friendly flame retarding styrene based resin in a polymer material technical field. The environmentally friendly flame retarding styrene based resin is prepared by the high-speed mixing of styrene based resin, main flame retardant, auxiliary flame retardant, toughening agent, antioxidant and stabilizer, twin-screw extrusion, hot cutting and air cooling. The color of the environmentally friendly flame retarding styrene based resin can be chosen arbitrarily, has good fluidity and stability, can be widely applied to injecting and extruding processing, and can enable users to change for using under the manufacturing condition of present materials or by small regulation without complicated and lengthy regulation for a new technology; and solves limitation problems like an European Union RoHS instruction, and provides an excellent material which can be suitable for a larger market for a majority of plastic product manufacturers. The environmentally friendly flame retarding styrene based resin of the invention realizes a UL90 VO grade of flame retardant only under the situation of slightly decreasing resin mechanical performance, and cost is only kept at a level of using polybrominated biphenyl or polybrominated diphenyl ether products.

Description

Technical field [0001] The invention relates to the technical field of polymer materials, in particular to an environmentally friendly flame-retardant styrene resin. Background technique [0002] Halogen flame retardants (mainly chlorine and bromine) are currently the most efficient flame retardants. However, chlorine flame retardants are generally difficult to use at high temperatures. Bromine flame retardants are highly effective and inexpensive in plastics. The flame retardant industry has been widely used for a long time, especially polybrominated biphenyls and polybrominated diphenyl ethers. In 2003, the European Union promulgated the "Directive on the Use of Certain Hazardous Substances in Electronic and Electrical Equipment" (RoHS Directive), which was implemented on July 1, 2006, stipulating that the content of polybrominated biphenyls and polybrominated diphenyl ethers contained in flame-retardant plastics should not be More than 1000PPM. This move has been followed by o...

Claims

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Application Information

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IPC IPC(8): C08L25/04C08L51/06C08K5/3492C08L63/00C08L23/16C08L21/00C08L55/02C08K5/09C08K3/00
Inventor 程驰揣成智高阳
Owner TIANJIN DEHAO NEW MATERIALS
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