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High-molecular composition used for plastic building template and its preparation method

A building template and polymer technology, applied in the field of building materials, can solve the problems of low strength, poor impact resistance, easy to break, etc., and achieve the effects of high strength, good impact resistance and low comprehensive cost.

Inactive Publication Date: 2014-07-09
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of using the above-mentioned building formwork, although the cost is cheap, but the strength is low, the impact resistance is poor, the concrete pouring tends to be wavy, and it is easy to break when falling from a high altitude when demoulding

Method used

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  • High-molecular composition used for plastic building template and its preparation method
  • High-molecular composition used for plastic building template and its preparation method
  • High-molecular composition used for plastic building template and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Put 100 parts of polypropylene regrind, 0.01 part of dicumyl peroxide and 0.01 part of N,N'-ethylene bismaleimide into a high mixer at room temperature and mix evenly; then mix the mixed materials, Add from the hopper of the extruder, add 80 parts of glass fiber from the fiber inlet, melt and extrude through the extruder, cool, dry, and pelletize to obtain a polymer composition for plastic building templates. The heating temperature range of the extruder is 150°C in the feeding section, 230°C in the melting section, and 230°C in the homogenizing section.

Embodiment 2

[0033] 100 parts of polyethylene recycling, 0.1 parts of di-tert-butyl peroxide, 0.2 parts of N,N'-p-phenylene bismaleimide, 0.2 parts of antioxidant 1010, 0.2 parts of antioxidant 168, Put 10 parts of paraffin wax, 20 parts of talc powder and 0.5 parts of coupling agent γ-aminopropyltriethoxysilane into the high mixer at room temperature and mix evenly; then add the mixed material from the hopper of the extruder, 60 parts of glass fibers are added from the fiber inlet, melted and extruded through an extruder, cooled, dried, and pelletized to obtain a polymer composition for plastic building templates. The heating temperature range of the extruder is 120°C in the feeding section, 190°C in the melting section, and 190°C in the homogenizing section.

Embodiment 3

[0035] 100 parts of polypropylene recycling, 0.5 parts of dicumyl peroxide, 2 parts of N,N'-p-phenylene bismaleimide, 100 parts of glass beads, 0.5 parts of antioxidant 1098, 0.5 parts Antioxidant 168, 2 parts of isopropyl tris (dioctyl pyrophosphate acyloxy) titanate and 17 parts of stearic acid were put into a high mixer and mixed evenly at room temperature; then the mixed material was extruded 20 parts of glass fibers are added from the fiber inlet, melted and extruded by an extruder, cooled, dried, and pelletized to obtain a polymer composition for plastic building formwork. The heating temperature range of the extruder is 140°C in the feeding section, 230°C in the melting section, and 230°C in the homogenizing section.

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Abstract

The invention relates to the building material field, and especially relates to a high-molecular composition used for plastic building template and its preparation method. The high-molecular composition used for plastic building template comprises the following ingredients by weight: 100 parts of polyolefin feed back, 0.01-2 parts of cross-linking agent, 0.01-10 parts of auxiliary cross-linking agent, 5-200 parts of fiber, 0-100 parts of filling material and 0-20 parts of auxiliary agent. Compared with a prior art, the addition of the cross-linking agent and the auxiliary cross-linking agent in the high-molecular composition raw material can greatly increase the mechanical property of the building template, so that the building template has high strength and good shock resistance, the building template is not damaged while falling off from high altitude, and is difficultly scratched by hard objects, and the usage efficiency and life of the building template can be obviously increased.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a polymer composition for plastic building formwork and a preparation method thereof. Background technique [0002] In recent years, several sellers of "plastic building formwork" have appeared in the domestic market, and many builders are also trying to use plastic building formwork. The inevitable product is the development direction of building formwork in the future. Chinese patent ZL201010276115.5 discloses a wood-plastic building template, which uses polyvinyl chloride SG700-8 type, polyvinyl chloride SG1000-5 type, wood powder, light calcium carbonate, foam regulator 530, composite stabilizer, Processing aid ACR401, lubricity modifier LS-303, nylon wax, paraffin wax, stearic acid 1801, high-density nylon wax, foaming agent AC150P azodicarbonamide, foaming agent NC azodicarbonamide, anti The impact modifier chlorinated nylon and soybean oil 1% to 1.4% are used as raw mat...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L23/12C08L97/02C08K13/04C08K13/02C08K7/14C08K7/20C08K3/34C08K3/26C08K5/14C08K5/3415
CPCC08K13/04C08K5/14C08K5/3415C08K7/14C08K7/20C08L23/06C08L23/12C08L2205/025C08L2205/16
Inventor 杨桂生李万里
Owner HEFEI GENIUS NEW MATERIALS
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