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High-gloss PP material and preparation method thereof

A high-gloss and anti-oxidant technology, applied in the field of chemical material preparation, can solve the problems of unable to meet the requirements of appearance decoration, limited surface gloss and hardness, and achieve excellent processing performance, improved surface gloss and hardness, and low price. Effect

Inactive Publication Date: 2022-01-25
KUNSHAN HENGGUANG PLASTIC PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Patent No. CN102816378A is a barium sulfate reinforced polypropylene sound insulation composite material. Usually, barium sulfate is added to polypropylene (PP) as a filler to change the effect of sound insulation and noise reduction on the composite material. Its surface gloss and hardness are limited and cannot Comparing with PS, ABS and other high-gloss plastics, it cannot meet the requirements of high decorative appearance parts

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The preparation method of high-gloss PP material includes 1) barium sulfate drying treatment, barium sulfate is dried at 110 ° C for 4 hours; 2) mixing and stirring, polypropylene T30S 45kg, propylene and ethylene block copolymer (PPB8101) 35kg, pentaerythritol hard Put 0.5kg of fatty acid ester into a mixer and mix evenly, heat up to 90°C, add 18.5kg of barium sulfate and mix at high speed for 1min, add 0.4kg of aluminate coupling agent and mix at low speed for 1min, antioxidant 1010 0.1kg, antioxidant 168 0.2kg, 0.1kg of UV-531, 39880.2kg of nucleating agent were added again and mixed evenly; 3) Extruder blending and granulation, the speed of the main machine was 320r / min, the feeding time was 15H, and the extrusion temperature was 185°C.

Embodiment 2

[0023] The preparation method of high-gloss PP material includes 1) barium sulfate drying treatment, barium sulfate is dried at 110 ° C for 4 hours; 2) mixing and stirring, polypropylene 1005 50kg, PPB3003 31.15kg, and pentaerythritol stearate 0.2kg are put into the mixer Mix evenly, heat up to 90°C, add 18kg of barium sulfate and mix at high speed for 1min, then add 0.3kg of aluminate coupling agent and mix at low speed for 1min, antioxidant 1010 0.05kg, antioxidant 168 0.15kg, UV-531 0.05kg, Nucleating agent 3988 0.1kg was added again and mixed evenly; 3) Extruder blending and granulation, the main engine speed was 330r / min, the feeding time was 13H, and the extrusion temperature was 190°C.

Embodiment 3

[0025] The preparation method of high-gloss PP material includes 1) drying treatment of barium sulfate, drying barium sulfate at 110°C for 4 hours; 2) mixing and stirring, 50kg of polypropylene T30S, 30kg of PPB8101, and 0.5kg of pentaerythritol stearate are mixed in a mixer Evenly, heat up to 90°C, add 18.5kg of barium sulfate and mix at high speed for 1min, then add 0.4kg of aluminate coupling agent and mix at low speed for 1min, antioxidant 1010 0.1kg, antioxidant 1680.2kg, UV-531 0.1kg, 0.2kg of nucleating agent 3988 was added again and mixed evenly; 3) Extruder blending and granulation, the main engine speed was 340r / min, the feeding time was 12H, and the extrusion temperature was 205°C.

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Abstract

The invention discloses a high-gloss PP material which comprises the following components in percentage by mass: 45 to 50 percent of PP, 30 to 35 percent of PPB, 18 to 18.5 percent of barium sulfate, 0.3 to 0.4 percent of an aluminate coupling agent, 0.05 to 0.1 percent of an antioxidant, 0.15 to 0.2 percent of an auxiliary antioxidant, 0.05 to 0.1 percent of an anti-ultraviolet agent, 0.2 to 0.5 percent of a lubricant and 0.1 to 0.2 percent of a nucleating agent. According to the invention, the surface gloss and hardness of PP are effectively improved.

Description

technical field [0001] The invention belongs to the technical field of chemical material preparation, and in particular relates to a high-gloss PP material and a preparation method thereof. Background technique [0002] Patent No. CN102816378A is a barium sulfate reinforced polypropylene sound insulation composite material. Usually, barium sulfate is added to polypropylene (PP) as a filler to change the effect of sound insulation and noise reduction on the composite material. Its surface gloss and hardness are limited and cannot Comparing with PS, ABS and other high-gloss plastics, it cannot meet the parts with higher requirements for appearance decoration. Contents of the invention [0003] The object of the present invention is to solve the above-mentioned technical problems, and provide a high-gloss PP material and a preparation method thereof, so as to effectively improve the surface gloss and hardness of PP. In order to achieve the above object, the technical scheme ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L53/00C08K13/02C08K3/30
CPCC08L23/12C08L2201/08C08K2003/3045C08L53/00C08K13/02C08K3/30
Inventor 邓国权尹克武
Owner KUNSHAN HENGGUANG PLASTIC PROD
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