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Calcium carbonate toughened HDPE composite material and preparation process for blow molding product of calcium carbonate toughened HDPE composite material

A technology for composite materials and blow molding products, which is applied in the field of calcium carbonate toughened HDPE composite materials and the preparation process of blow molding products, which can solve the problem of limited application, strength, surface hardness, bending elastic modulus, insufficient surface finish of blow molding products, etc. problems, to achieve the effect of improving surface finish, improving mechanical properties, and increasing flexural modulus of elasticity

Inactive Publication Date: 2017-04-26
ZHEJIANG GIANT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are deficiencies in strength, surface hardness, flexural modulus of elasticity and surface finish of blow molded products.
These disadvantages limit its application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A calcium carbonate toughened HDPE composite material, comprising the following components in parts by weight: 70 parts of HDPE, 8 parts of ethylene-acrylate copolymer, 7 parts of isoprene, 3 parts of modified nano calcium carbonate, Malay Anhydride grafted polypropylene 2.5 parts, light stabilizer 0.8 parts, antioxidant 1 part, flame retardant 2.1 parts, compatibilizer 2 parts, lubricant 0.5 parts, methacryloxypropyltrimethoxysilane 4 share.

[0022] Wherein, the particle diameter of modified nano-calcium carbonate is 15-50nm, and modified calcium carbonate is prepared by the following steps:

[0023] (1) Mix nano-calcium carbonate, triethylene glycol and water at a weight ratio of 5:2:1, fully disperse and grind for 2-3 hours;

[0024] (2) Then add 8% triethyl phosphate and 2% maleic anhydride by weight of nano-calcium carbonate, fully disperse and grind for 1-2h;

[0025] (3) Filter the mixture in step (2), then dry at 50-55°C to remove moisture, so that the moistu...

Embodiment 2

[0037] A calcium carbonate toughened HDPE composite material, comprising the following components in parts by weight: 78 parts of HDPE, 9 parts of ethylene-acrylate copolymer, 5 parts of isoprene, 4 parts of modified nano-calcium carbonate, Malay 3 parts of anhydride grafted polypropylene, 0.5 parts of light stabilizer, 1.3 parts of antioxidant, 2.3 parts of flame retardant, 1 part of compatibilizer, 0.7 parts of lubricant, 5 parts of methacryloxypropyltrimethoxysilane share.

[0038] Wherein, the particle diameter of modified nano-calcium carbonate is 15-50nm, and modified calcium carbonate is prepared by the following steps:

[0039] (1) Mix nano-calcium carbonate, triethylene glycol and water at a weight ratio of 5:2:1, fully disperse and grind for 2-3 hours;

[0040] (2) Then add 5% triethyl phosphate and 2.3% maleic anhydride by weight of nano-calcium carbonate, fully disperse and grind for 1-2 hours;

[0041] (3) Filter the mixture in step (2), then dry at 50-55°C to r...

Embodiment 3

[0053] A calcium carbonate toughened HDPE composite material, comprising the following components in parts by weight: 80 parts of HDPE, 6 parts of ethylene-acrylate copolymer, 6 parts of isoprene, 5 parts of modified nano-calcium carbonate, Malay 2 parts of anhydride grafted polypropylene, 0.6 parts of light stabilizer, 1.5 parts of antioxidant, 2 parts of flame retardant, 1.2 parts of compatibilizer, 1 part of lubricant, 3 parts of methacryloxypropyl trimethoxysilane share.

[0054] Wherein, the particle diameter of modified nano-calcium carbonate is 15-50nm, and modified calcium carbonate is prepared by the following steps:

[0055] (1) Mix nano-calcium carbonate, triethylene glycol and water at a weight ratio of 5:2:1, fully disperse and grind for 2-3 hours;

[0056] (2) Then add 7% triethyl phosphate and 3% maleic anhydride by weight of nano-calcium carbonate, fully disperse and grind for 1-2h;

[0057] (3) Filter the mixture in step (2), then dry at 50-55°C to remove mois...

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Abstract

The present invention relates to the technical field of composite materials, more particularly to a calcium carbonate toughened HDPE composite material and a preparation process for a blow molding product of the calcium carbonate toughened HDPE composite material, wherein the composite material comprises, by weight, 70-80 parts of HDPE, 6-9 parts of an ethylene-acrylate copolymer, 5-7 parts of isoprene, 3-5 parts of modified nanometer calcium carbonate, 2-3 parts of maleic anhydride grafted polypropylene, 0.5-0.8 part of a light stabilizer, 1-1.5 parts of an antioxidant, 1-2 parts of a compatibilizer, and 0.5-1 part of a lubricant. According to the present invention, the blowing molding product prepared by using the composite material has the improved notch impact strength, improved surface hardness, improved flexural modulus and improved surface finish, and further has the improved related mechanical properties, such that the HDPE material can overcome the current shortcomings so as to be suitable for the wide application.

Description

technical field [0001] The invention relates to the technical field of composite materials, in particular to a calcium carbonate toughened HDPE composite material and a preparation process for blow molding products thereof. Background technique [0002] Acrylonitrile-butadiene-styrene (HDPE) is widely used in various fields of social life because of its excellent mechanical properties, dimensional stability, easy processing, coloring, and convenient post-processing. One of the wide range of polymers. At the same time, HDPE has the advantages of high melt strength and good extrusion performance. However, there are deficiencies in strength, surface hardness, flexural modulus of elasticity, and surface finish of blow molded products. These shortcomings limit its application. Contents of the invention [0003] The purpose of the present invention is to provide a calcium carbonate toughened HDPE composite material and a preparation process for its blow-molded product in orde...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L23/08C08L51/06C08L71/02C08K13/06C08K9/04C08K3/26B29C47/92B29C48/92
CPCB29C48/92B29C2948/9258B29C2948/92704C08K2201/003C08K2201/011C08L23/06C08L2205/035C08L2205/06C08L2205/08C08L2207/062C08L23/0869C08L51/06C08L71/02C08K13/06C08K9/04C08K2003/265
Inventor 闵大伟
Owner ZHEJIANG GIANT TECH CO LTD
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