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Glass fiber reinforcement polypropylene composite material and preparation method thereof

A glass fiber and composite material technology, applied in the field of glass fiber reinforced polypropylene composite material and its preparation, can solve the problems of low tensile strength, flexural strength and impact strength, unsatisfactory mechanical properties, and high cost, and can achieve Enhanced controllability, enhanced mechanical properties, enhanced effect of interaction force

Inactive Publication Date: 2019-10-01
ZHUZHOU FEILU ADVANCED MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing glass fiber reinforced polypropylene composite materials often add powder fillers such as talcum powder and calcium carbonate, which have unsatisfactory mechanical properties, low tensile strength, bending strength and impact strength, and high cost

Method used

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  • Glass fiber reinforcement polypropylene composite material and preparation method thereof
  • Glass fiber reinforcement polypropylene composite material and preparation method thereof
  • Glass fiber reinforcement polypropylene composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058]

[0059] Molecular sieves are made of 20 parts of deionized water, 1.2 parts of sodium hydroxide, 0.3 parts of sodium metaaluminate, 16 parts of organic template, 30 parts of boric acid, and 32.5 parts of silica sol, and then react in a homogeneous reactor at 170 ° C for 7 days , prepared under the condition that the rotational speed is 10 rpm. Afterwards, it was calcined at 560°C for 20 hours, and put into a desiccator for use. The molecular sieve prepared in this example is a MWW type molecular sieve.

[0060] The modified molecular sieve is prepared by refluxing the toluene solution of the above-mentioned dried molecular sieve with a silane coupling agent γ-aminopropyltriethoxysilane (KH550) at 120° C. for 10 hours, washing and drying.

[0061] Polypropylene is copolymerized polypropylene, the melt flow rate is 40g / 10min, the test condition is 230°C, 2.16kg

[0062] The glass fiber is continuous alkali-free glass fiber with a fiber diameter of 17 microns and a l...

Embodiment 2

[0068]

[0069] Molecular sieve is composed of 19 parts of deionized water, 1 part of sodium hydroxide, 1.2 parts of sodium metaaluminate, 18.8 parts of organic template, 25 parts of boric acid, and 35 parts of silica sol, and then react in a homogeneous reactor at 150 ° C for 5 days , prepared under the condition that the rotational speed is 15 rpm. After that, it was calcined at 580°C for 10 hours, and put into a desiccator for use. The molecular sieve prepared in this example is an MFI type molecular sieve.

[0070] The modified molecular sieve is prepared by refluxing the toluene solution of the above-mentioned dried molecular sieve with a silane coupling agent γ-aminopropyltriethoxysilane (KH550) at 120° C. for 10 hours, washing and drying.

[0071] Polypropylene is copolymerized polypropylene, the melt flow rate is 40g / 10min, the test condition is 230°C, 2.16kg

[0072] The glass fiber is continuous alkali-free glass fiber with a fiber diameter of 17 microns and a l...

Embodiment 3

[0078]

[0079] Molecular sieves are made of 30 parts of deionized water, 1.2 parts of sodium hydroxide, 1.4 parts of sodium metaaluminate, 13.8 parts of organic template, 13.6 parts of boric acid, and 40 parts of silica sol, and then react in a homogeneous reactor at 170 ° C for 7 days , prepared under the condition that the rotational speed is 10 rpm. After that, it was calcined at 580°C for 20 hours, and put into a desiccator for use. The molecular sieve prepared in this example is mordenite molecular sieve.

[0080] The modified molecular sieve is prepared from the toluene solution of the dried molecular sieve using silane coupling agent γ-aminopropyltriethoxysilane (KH550) at 125° C. for 12 hours, washed and dried.

[0081] Polypropylene is copolymerized polypropylene, the melt flow rate is 40g / 10min, the test condition is 230°C, 2.16kg

[0082] The glass fiber is continuous alkali-free glass fiber with a fiber diameter of 0.17 microns and a linear density of 1200tex...

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Abstract

The invention discloses a glass fiber reinforcement polypropylene composite material and a preparation method thereof. The glass fiber reinforcement polypropylene composite material is prepared from,by weight, 1-20 parts of molecular sieves modified by a silane coupling agent, 30-70 parts of polypropylene, 25-70 parts of glass fibers, 3-15 parts of a compatilizer, 0.1-3 parts of an antioxidant and 1-5 parts of a light stabilizer. According to the glass fiber reinforcement polypropylene composite material, the molecular sieves modified by the silane coupling agent of a porous structure are adopted and mingled with a semi-finished product, namely a glass fiber reinforcement polypropylene composite material for replacing traditional fillers such as calcium carbonate and mica powder, so thatthe mechanical performance of the glass fiber reinforcement polypropylene composite material is improved, the glass fiber reinforcement polypropylene composite material has high stretching strength, high bending strength and high impact-resistance strength, and the production cost is reduced.

Description

technical field [0001] The invention belongs to the field of polymer materials, and specifically relates to a glass fiber reinforced polypropylene composite material and a preparation method thereof. Background technique [0002] Polypropylene thermoplastic materials are widely used in various industries due to their cheap price, good formability, convenient processing and easy recycling and reuse. However, as the scope of application becomes wider and wider, the deficiencies in strength, impact resistance and high and low temperature resistance gradually appear, making it difficult to meet the requirements of high-performance products. The strength, modulus, impact resistance and high and low temperature resistance of the glass fiber reinforced polypropylene composite material have been greatly improved, so the glass fiber reinforced polypropylene composite material is more and more used to replace the traditional polypropylene material. [0003] Existing glass fiber rein...

Claims

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Application Information

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IPC IPC(8): C08L23/14C08L51/06C08K13/06C08K9/06C08K7/26C08K7/14
CPCC08L23/14C08L2201/08C08L51/06C08K13/06C08K9/06C08K7/26C08K7/14
Inventor 黄立志杨文元郭俊苏乙清周迪武范国栋
Owner ZHUZHOU FEILU ADVANCED MATERIAL TECH CO LTD
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