Polyethylene weathering-resistant color master batch material

A polyethylene and weather-resistant technology, applied in the field of polyethylene material production, can solve the problems of poor heat aging resistance and low water absorption

Inactive Publication Date: 2017-05-31
QINGDAO XINHEYI IND & TRADE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Polyethylene is odorless, non-toxic, feels like wax, has excellent low temperature resistance (the lowest operating temperature can reach -70 ~ -100 ° C), good chemical stability, and can withstand most acid and alkali erosion (not resistant to oxidation properties) acid), insoluble in general solvents at room temperature, low water absorption, excellent electrical insulation properties; but polyethylene is very sensitive to environmental stress (chemical and mechanical effects), poor heat aging resistance

Method used

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  • Polyethylene weathering-resistant color master batch material

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Embodiment

[0007] (1) The ratio of raw materials according to mass percentage is: polyethylene raw material: 65, titanium dioxide: 2.5, calcium carbonate: 175, talc powder: 170, mica powder: 170, kaolin: 170, silicon dioxide: 170, dispersing lubricant (TAS-2A): 1.0, UV absorber (2-hydroxy-4-n-octyloxybenzophenone): 9.0, light stabilizer: 9.0, antioxidant (ethylene-octene copolymer): 12.0. Colorant: 5.0.

[0008] (2) The preparation method is as follows: first dry mix various raw materials in a high-speed mixer for 3-5 minutes, then place them in a twin-screw extruder, melt and extrude, cool, pelletize, and pack the finished product; wherein, The temperature of twin-screw extruder zone 1 is 90-100°C, zone 2 is 160-190°C, zone 3 is 200-210°C, zone 4 is 205-210°C; zone 5 is 190-200°C, and the residence time is 1 -2 minutes, the pressure is 10-15Mpa.

[0009] Experimental results

[0010]

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Abstract

Polyethylene (PE) is one of five synthetic resins. Polyethylene is mainly divided into three categories such as linear low density polyethylene (LLDPE), low density polyethylene (LDPE), and high density polyethylene (HDPE), has characteristics of no odor, no toxicity, wax-like handfeeling, excellent low-temperature resistance (the lowest use temperature is -70 to -100 DEG C), good chemical stability and resistance to most of acid erosions and alkali erosions (intolerance to acids having oxidation property), is insoluble in general solvents at a room temperature, has low water absorption, has excellent electrical insulation performance, is sensitive to environmental stress (chemical and mechanical actions) and has poor heat aging resistance, such that the disadvantages of polyethylene is changed by modification. The present invention provides a polyethylene weathering-resistant color master batch material and a preparation method thereof.

Description

technical field [0001] The invention belongs to the technical field of polyethylene material production, which improves the original defects of polyethylene and produces products meeting social needs. Background technique [0002] Polyethylene is referred to as PE English name: Polyethylene. Polyethylene (PE) is one of the five major synthetic resins. Polyethylene is mainly divided into three categories: linear low-density polyethylene (LLDPE), low-density polyethylene (LDPE), and high-density polyethylene (HDPE). Polyethylene is odorless, non-toxic, feels like wax, has excellent low temperature resistance (the lowest operating temperature can reach -70 ~ -100 ° C), good chemical stability, and can withstand most acid and alkali erosion (not resistant to oxidation properties) acid), insoluble in common solvents at room temperature, low water absorption, and excellent electrical insulation properties; but polyethylene is very sensitive to environmental stress (chemical and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/08C08K13/02C08K3/26C08K3/22C08K3/34C08K3/36C08K5/132C08J3/22
CPCC08L23/06C08J3/226C08J2323/06C08J2423/08C08K2201/014C08L2310/00
Inventor 吴佳
Owner QINGDAO XINHEYI IND & TRADE CO LTD
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