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Formula process of high-strength fiberglass-reinforced plastic grill

A fiberglass, high-strength technology, applied in the field of high-strength FRP grating formulation technology, can solve problems such as fracture, loss of mechanical strength of glass fibers, and loss of mechanical properties and strength of phenolic grids, achieving high strength, perfect and reasonable formula, and low cost. low effect

Inactive Publication Date: 2016-09-28
南通汇泽新材料有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Since the softening point of ordinary glass fiber is lower than 880°C, when the ambient temperature exceeds its softening point, the glass fiber will completely lose its proper mechanical strength due to softening, that is, if ordinary glass fiber is used as the reinforcement material of the phenolic grid, Due to the limitation of the softening point of glass fiber, the phenolic grid will completely lose its proper mechanical properties and strength under combustion conditions, so it cannot meet the high-temperature strength requirements and residual strength requirements specified in the second-level ASTM-E119 standard, even without loading Under the condition of loading, it will break due to the action of gravity, thus failing to pass this certification

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1, a high-strength fiberglass grating formula process, its raw material ratio is 100kg of second-order bisphenol A resin, 50kg of aluminum hydroxide, 5kg of silane type coupling agent, 1kg of coupling agent, and 0.5kg of ultraviolet absorber and 1.8kg of pigment, put the above raw materials into the stirring tank, mix and stir, and keep it for 1 hour. After the product is ablated at 927°C, the residual fracture strength is about 1400kg / m when the span is 1120mm. 2 .

Embodiment 2

[0014] Example 2, a high-strength FRP grating formula process, its raw material ratio is 90kg of second-order bisphenol A resin, 40kg of aluminum hydroxide, 2kg of silane-type coupling agent, 2kg of coupling agent, and 0.8kg of ultraviolet absorber and 2kg of pigments, put the above raw materials into a stirring tank and mix them for 1.5 hours. After the product is ablated at a high temperature of 927°C, its residual fracture strength is about 1290kg / m when the span is 1100mm 2 .

Embodiment 3

[0015] Embodiment 3, a kind of high-strength FRP grating formula process, its raw material ratio is chelating type resin 110kg, aluminum hydroxide 60kg, silane type coupling agent 7kg, coupling agent 0.5kg, ultraviolet absorber 0.2kg and 1.5kg of pigment, put the above raw materials into the stirring tank, mix and stir, and keep it for 1.2 hours. After the product is ablated at 927℃, the residual fracture strength is about 1387kg / m when the span is 1115mm 2 .

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Abstract

The invention relates to the field of fiberglass-reinforced plastic grill production, particularly a formula process of a high-strength fiberglass-reinforced plastic grill. The process comprises the following steps: adding 90-110kg of HR-310 epoxy resin, 40-60kg of aluminum hydroxide, 2-7kg of reinforcer, 0.5-2kg of enhancer, 0.2-0.8kg of ultraviolet absorbent and 1.5-2kg of pigment into a stirring kettle, mixing and stirring for 1-1.5 hours. The process hasadvantagesof complete and reasonable formula and low cost. The product has high strength, and satisfies the customer demands.

Description

technical field [0001] The invention relates to the field of FRP grating production, in particular to a high-strength FRP grating formula process. Background technique [0002] FRP grating, also known as fiberglass reinforced plastic (FRP) grating, is made of resin as the matrix material and glass fiber as the reinforcing material, compounded and assembled through certain molding methods. According to the different matrix materials, namely the resin, it can be divided into isophthalic grid, vinyl grid and phenolic grid, etc.; according to the different molding methods, it can be divided into molded FRP grid and pultruded FRP grid. The molded FRP grating is made of glass fiber interlaced weaving, resin casting and molding, and has excellent corrosion resistance; the pultruded grating is made of continuous fibers impregnated with resin, pultruded and cured by heating, continuous molding and then assembled , with higher strength. [0003] For a long time, offshore oil drillin...

Claims

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Application Information

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IPC IPC(8): C08L63/00C08K13/02C08K3/22
CPCC08K3/22C08K13/02C08K2003/2227C08L63/00
Inventor 杨建华
Owner 南通汇泽新材料有限公司
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