Ultra-micro glass fiber enhanced master batch applied to HDPE (High-density Polyethylene) double-wall corrugated tubular product

A technology of double-wall corrugated pipe and reinforced masterbatch, which is applied in the field of building materials, can solve the problems of poor external pressure resistance, low strength, and low rigidity of pipe rings, etc., and achieve small dimensional shrinkage, high elastic modulus, and smooth surface. Effect

Inactive Publication Date: 2017-09-29
ANHUI JIELANTE NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] HDPE is one of the five most commonly used plastics in the world. Due to its good toughness and processability, it is widely used, and it is also widely used in municipal water supply and drainage pipes. Conventional HDPE double-wall corrugated pipes generally use talcum powder and calcium carbonate as reinforcement materials. Compared with glass fiber, there are disadvantages such as low strength, large weight, and obvious size shrinkage, which lead to problems such as low ring stiffness, poor external pressure resistance, and high cost.
[0004] However, in the existing technology, the preparation of ultra-fine glass fiber cotton reinforced masterbatch has the disadvantages of low concentration, pollution of toner dyeing, poor dispersion of glass fiber in resin, and low degree of surface activation.

Method used

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  • Ultra-micro glass fiber enhanced master batch applied to HDPE (High-density Polyethylene) double-wall corrugated tubular product
  • Ultra-micro glass fiber enhanced master batch applied to HDPE (High-density Polyethylene) double-wall corrugated tubular product

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Experimental program
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Effect test

Embodiment 1

[0022] Ultrafine glass fiber cotton reinforced masterbatch raw material ratio: HDPE resin 35%, treated ultrafine glass fiber cotton floc 50%, processing aid 8%, lubricant 3%, antioxidant 2% and light stabilizer 2% After treatment, the superfine glass fiber cotton flocs include 80% ultrafine glass fiber cotton, 8% silane coupling agent, 2% titanate, 2% aluminate, 2% fluorocarbon surfactant, soft water 2% and Alcohol-water mixture 4%.

[0023] Among them, the silane coupling agent is vinyltriethoxysilane; the processing aid is methyl methacrylate polymer; the lubricant is stearic acid or its esters; the antioxidant is hindered phenolic antioxidant; The stabilizer is a benzotriazole ultraviolet absorber.

Embodiment 2

[0025] Ultrafine glass fiber cotton reinforced masterbatch raw material ratio: HDPE resin 40%, treated ultrafine glass fiber cotton floc 42%, processing aid 9%, lubricant 5%, antioxidant 2% and light stabilizer 2% After treatment, the superfine glass fiber cotton flocs include 85% ultrafine glass fiber cotton, 5% silane coupling agent, 2% titanate, 2% aluminate, 1% fluorocarbon surfactant, soft water 2% and Alcohol-water mixture 3%.

[0026] Among them, the silane coupling agent is γ-aminopropyltriethylaminosilane; the processing aids are POE, PE-g-MAH and EVA in a ratio of 1:1:1; the lubricants are PE wax, OPE wax and fee The wax, the ratio is 1:1:1; the antioxidant is hindered amine antioxidant; the light stabilizer is benzotriazole ultraviolet absorber.

Embodiment 3

[0028] Ultrafine glass fiber cotton reinforced masterbatch raw material ratio: HDPE resin 30%, treated ultrafine glass fiber cotton floc 55%, processing aid 8%, lubricant 5%, antioxidant 1% and light stabilizer 1% After treatment, the superfine glass fiber cotton flocs include 85% ultrafine glass fiber cotton, 4% silane coupling agent, 2% titanate, 2% aluminate, 1% fluorocarbon surfactant, 3% soft water and Alcohol-water mixture 3%.

[0029] Among them, the silane coupling agent is γ-(ethylenediamino)propyltrimethoxysilane; the processing aid is LLDPE, LDPE and methyl methacrylate polymer in a ratio of 1:1:2; the lubricant is metal soap compound; the antioxidant is a phosphite antioxidant; the light stabilizer is a benzotriazole ultraviolet absorber.

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Abstract

The invention discloses an ultra-micro glass fiber enhanced master batch applied to an HDPE (High-density Polyethylene) double-wall corrugated tubular product. The ultra-micro glass fiber enhanced master batch is prepared by internally mixing by utilizing an internal mixer to obtain a uniform melt and extruding and granulating the molded uniform melt through a single-screw extruder. Nano carbon black in the ultra-micro glass fiber enhanced master batch prepared by the invention has the advantages of great strength and light weight; the HDPE double-wall corrugated tubular product prepared from the ultra-micro glass fiber enhanced master batch has the advantages of small dimension shrinkage rate, smooth and clean surface, high elastic modulus and high ring stiffness.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to an ultrafine glass fiber cotton reinforced masterbatch applied to HDPE double-wall corrugated pipes. Background technique [0002] Ultra-fine glass fiber reinforced masterbatch is mainly used in chemical fiber products (carpets, polyester, non-woven fabrics, etc.), blown film products (packaging bags, cast films, multi-layer composite films, etc.), blown products (medicine and cosmetic containers , paint containers, etc.), extrusion products (sheets, pipes, cables, wires, etc.), injection molding products (auto parts, electrical appliances, building materials, daily necessities, toys, sporting goods, etc.). It is easy to use, has no pollution to the molding environment, has uniform and stable coloring, improves the quality of plastic parts, is easy to measure, and can be applied to a molding production system with a high degree of automation. It can integrate coloring,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L33/12C08L23/08C08L51/06C08K13/04C08K7/14C08K5/5425C08K3/04C08K5/544
CPCC08K2201/011C08L23/06C08L2203/18C08L2205/025C08L2205/035C08L2207/062C08L2207/066C08L33/12C08K13/04C08K7/14C08K5/5425C08K3/04C08L23/0815C08L51/06C08L23/0853C08K5/544
Inventor 汪进南刘俊峰汪燕飞
Owner ANHUI JIELANTE NEW MATERIAL CO LTD
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