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Fiber reinforced resin matrix composite weatherability improvement composition and application thereof

A fiber-reinforced resin and composite material technology, which is applied in the field of compositions for improving the weather resistance of fiber-reinforced resin-based composite materials, can solve the problems of composite material strength and stiffness reduction, damage, etc., and achieve the effect of prolonging service life and improving weather resistance

Active Publication Date: 2016-03-30
CHINA NAT BLUESTAR GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, under the action of load, stress, and medium corrosion, the fiber / matrix interface of polymer matrix composites will be destroyed, which directly leads to the decrease of strength and stiffness of composite materials.

Method used

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  • Fiber reinforced resin matrix composite weatherability improvement composition and application thereof
  • Fiber reinforced resin matrix composite weatherability improvement composition and application thereof
  • Fiber reinforced resin matrix composite weatherability improvement composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Example 1 Preparation of Composition 1 for Improving the Weather Resistance of Fiber-Reinforced Resin-Matrix Composite Materials

[0033] (1) Preparation of compound antioxidant system 1: Weigh 8.0g of liquid phenolic antioxidant 1135 (purchased from BASF), 1.5g of liquid amine antioxidant 5057 (purchased from BASF) and 0.5g The liquid phosphite antioxidant TPP (purchased from Qingdao Lianmei Chemical Co., Ltd.) was mixed evenly to make a compound antioxidant system.

[0034] (2) Preparation of light stabilizer system 1: Weigh 4.5g of liquid hindered amine light stabilizer bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate (purchased from Ciba CIBA Company) and 0.5g liquid ultraviolet absorber UV40 (purchased from Guangzhou Zhiyi Chemical Co., Ltd.), mix uniformly, and make light stabilizer system.

[0035] (3) Mixing: Mix the compound antioxidant system 1 and light stabilizer system 1 uniformly (mass ratio 1:0.5) to prepare composition 1.

Embodiment 2

[0036] Example 2 Preparation of Composition 2 for Improving the Weather Resistance of Fiber-Reinforced Resin-Matrix Composite Materials

[0037] (1) Preparation of compound antioxidant system: Weigh 5.0g liquid phenolic antioxidant 1135 (purchased from BASF Company), 4.0g liquid amine antioxidant 5057 (purchased from BASF Company) and 1.0g liquid The phosphite antioxidant TPP (purchased from Qingdao Lianmei Chemical Co., Ltd.) was mixed evenly to prepare the compound antioxidant system 2.

[0038] (2) Preparation of light stabilizer system: Weigh 0.5g of liquid hindered amine light stabilizer bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate (purchased from Pakistan CIBA Company) and 4.5g of liquid ultraviolet absorber UV40 (purchased from Guangzhou Zhiyi Chemical Co., Ltd.), mixed uniformly to make light stabilizer system 2.

[0039] (3) Mixing: Mix the compound antioxidant system 2 and light stabilizer system 2 evenly (mass ratio 1:0.5) to make 1 composition 2.

Embodiment 3

[0040] Example 3 Preparation of Liquid Composition 3 for Improving the Weather Resistance of Fiber-Reinforced Resin-Matrix Composite Materials

[0041] (1) Preparation of compound antioxidant system 3: Weigh 5.0 g of liquid phenolic antioxidant 1141 (purchased from Ciba CIBA), 4.0 g of liquid amine antioxidant 5057 (purchased from BASF) and 1.0 g Liquid phosphite antioxidant 3032 (purchased from Guangzhou Zhiyi Chemical Co., Ltd.), mixed evenly to prepare compound antioxidant system 3.

[0042] (2) Preparation of light stabilizer system 3: Weigh 25.0g of liquid hindered amine light stabilizer diphenylisodecyl phosphite (purchased from Guangzhou Zhiyi Chemical Co., Ltd.) and 25.0g of liquid ultraviolet absorber UV571 (purchased from (from Ciba CIBA Company), mixed uniformly to make light stabilizer system 3.

[0043] (3) Mixing: Mix the compound antioxidant system 3 and the light stabilizer system 3 uniformly (mass ratio 1:5) to prepare composition 3.

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Abstract

The present invention provides a fiber reinforced resin matrix composite weatherability improvement composition and application thereof, the composition comprises a complex antioxidant system and a light stabilizer system; and the weight ratio of the complex antioxidant system to the light stabilizer system is 1: 0.1-5. The composition can improve the fiber-reinforced resin matrix composite weatherability, can effectively inhibit the fiber reinforced resin matrix composite aging in processing and use processes, and can prolong the service life. Furthermore, the composition is a liquid composition, and when the composition is added into the fiber reinforced resin matrix composite, the product processing performance is not affected.

Description

technical field [0001] The invention relates to the field of compositions, in particular to a composition capable of improving the weather resistance of fiber-reinforced resin-based composite materials. Background technique [0002] Fiber-reinforced resin-based composites, also known as fiber-reinforced resin-based plastics (FRP), use synthetic resins (thermosetting resins and thermoplastic resins) as matrix materials, and carbon fibers, glass fibers or aramid fibers as reinforcing materials. A high-strength composite material compounded by molding process. In the fiber-reinforced resin-based composite material of the present invention, the reinforcing fibers include but not limited to carbon fibers, glass fibers, and aramid fibers; the resin matrix includes but not limited to epoxy resins, unsaturated polyester resins, and vinyl resins. [0003] Fiber-reinforced resin-based composite materials have the following characteristics: high specific strength and specific modulus,...

Claims

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Application Information

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IPC IPC(8): C08L63/00C08K13/04C08K7/14C08K5/13C08K5/524C08K5/3435C08K5/526
Inventor 杨刚孟秀青王建军康建忠宋明周田宇黎高磊
Owner CHINA NAT BLUESTAR GRP CO LTD
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