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Production method of fiber reinforced plastics grating with sand layer

A production method and glass fiber reinforced plastic technology, applied in the field of glass fiber reinforced plastic grating, can solve problems such as failure to meet high temperature strength requirements and residual strength requirements, loss of mechanical properties and strength of phenolic grating, loss of mechanical strength of glass fiber, etc. High strength, low cost effect

Active Publication Date: 2017-12-01
DE RUISEN NANTONG COMPOSITE MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 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, so it cannot pass this certification

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The present invention provides a technical solution: a production method of FRP grating with a sand layer, comprising the following steps:

[0026] (1) Mold preparation, clean the inside of the FRP grating mold according to the conventional process, and apply the release material;

[0027] (2) Preparation of matrix material, put HR-310 epoxy resin, aluminum hydroxide and strengthening agent into the stirring tank, mix and stir, keep for 1-1.5 hours, the HR-310 epoxy resin, aluminum hydroxide and strengthening agent The mass percentage is 9~11:4~6:0.5~2, and the strengthening agent is a silane coupling agent;

[0028] (3) Lamination of FRP grating, laying FRP lamination according to the lay-up design, evenly brushing and extruding the base material obtained in step (2) to the inside of the mold, repeating the above operations until the predetermined lay-up layer is completed number;

[0029] (4) Set up a reinforced protective layer with sand inclusions, solidify the st...

Embodiment 2

[0033] The present invention provides a technical solution: a production method of FRP grating with a sand layer, comprising the following steps:

[0034] (1) Mold preparation, clean the inside of the FRP grating mold according to the conventional process, and apply the release material;

[0035] (2) Preparation of matrix material, put HR-310 epoxy resin, aluminum hydroxide and strengthening agent into the stirring tank, mix and stir, keep for 1.5 hours, the mass percentage of HR-310 epoxy resin, aluminum hydroxide and strengthening agent is 10 :5:1.5, the strengthening agent is a silane coupling agent;

[0036] (3) Lamination of FRP grating, laying FRP lamination according to the lay-up design, evenly brushing and extruding the base material obtained in step (2) to the inside of the mold, repeating the above operations until the predetermined lay-up layer is completed number;

[0037] (4) Set up a reinforced protective layer with sand inclusions, solidify step (3), and imme...

Embodiment 3

[0042] The present invention provides a technical solution: a production method of FRP grating with a sand layer, comprising the following steps:

[0043] (1) Mold preparation, clean the inside of the FRP grating mold according to the conventional process, and apply the release material;

[0044] (2) Preparation of matrix material, put HR-310 epoxy resin, aluminum hydroxide and strengthening agent into the stirring tank, mix and stir, keep for 1.5 hours, the mass percentage of HR-310 epoxy resin, aluminum hydroxide and strengthening agent is 10 :5:1.5, the strengthening agent is a silane coupling agent;

[0045] (3) Lamination of FRP grating, laying FRP lamination according to the lay-up design, evenly brushing and extruding the base material obtained in step (2) to the inside of the mold, repeating the above operations until the predetermined lay-up layer is completed number;

[0046] (4) Set up a reinforced protective layer with sand inclusions, solidify step (3), and imme...

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Abstract

The invention discloses a production method of fiber reinforced plastics with a sand layer. The production method comprises the following steps of (1) preparing a mold; (2) preparing base materials; (3) laying a fiber reinforced plastics grating; (4) setting a sand reinforced protection layer; (5) coating an external winding protective layer; and (6) curing, trimming so as to form the fiber reinforced plastics grating with the sand layer. The production method is reasonable and complete in formula, is low-cost, and can produce products that have high strength, meet requirements of clients, are greatly enhanced in internal and external binding force, and have characteristics of good corrosion resistance, wear resistance, toughness and elasticity.

Description

technical field [0001] The invention relates to the technical field of FRP gratings, in particular to a production method of FRP gratings with a sand layer. 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 o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K7/14C08K3/22C08K5/54C08K3/36C08L63/00B29C70/34
CPCB29C70/34C08K3/22C08K3/36C08K5/54C08K7/14C08L63/00C08L67/06
Inventor 周建军
Owner DE RUISEN NANTONG COMPOSITE MATERIAL CO LTD
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