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Impregnating agent for twisted yarns for epoxy pipeline short cutting

A technology of sizing agent and plied yarn, which is applied in the field of glass fiber thermosetting resin to achieve the effect of improving mechanical strength, less hairiness and good compatibility

Active Publication Date: 2015-12-23
JUSHI GRP CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the sizing agent of alkali-free glass fiber direct yarn for epoxy high-pressure pipeline cannot be directly transferred to ply yarn

Method used

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  • Impregnating agent for twisted yarns for epoxy pipeline short cutting
  • Impregnating agent for twisted yarns for epoxy pipeline short cutting
  • Impregnating agent for twisted yarns for epoxy pipeline short cutting

Examples

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Embodiment Construction

[0020] The present invention is specifically described below through examples, but the content of the present invention is not restricted by the following examples.

[0021] The components of the wetting agent used in the embodiments of the present invention are as follows:

[0022] The coupling agent uses an epoxy silane coupling agent, and the product brand is A-187;

[0023] The lubricant used: PEG1000

[0024] Described film-forming agent A is epoxy resin emulsion, and product trade mark is Neoxil8294 (manufacturer: Holland DSM company);

[0025] Described film-forming agent B is epoxy resin emulsion, and product brand is Neoxil961 (manufacturer: Italy Como company);

[0026] Described antistatic agent A adopts lithium chloride;

[0027] The antistatic agent B adopts fatty amine polyoxyethylene ether quaternary ammonium salt (manufacturer: American DSM Company);

[0028] Described pH regulator adopts acetic acid.

[0029]The following table is the specific formula exa...

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Abstract

An impregnating agent for twisted yarns for epoxy pipeline short cutting is prepared by using a coupling agent, a lubricant, an antistatic agent A, an antistatic agent B, a film forming agent A, a film forming agent B, a pH adjusting agent and deionized water, and the impregnating agent comprises 4-12 mass% of an impregnating agent solid, and the balance of water; the coupling agent adopts a silane coupling agent; the lubricant adopts a water-soluble grease lubricant; the antistatic agent A adopts an inorganic salt antistatic agent; the antistatic agent B adopts an organic salt antistatic agent; the film forming agent A adopts an epoxy resin emulsion A, the molecular weight of epoxy resin is 200-1000; the film forming agent B adopts an epoxy resin emulsion B, and the molecular weight of epoxy resin is 1500-3000; and the pH adjusting agent adopts an acid. Twisted yarns produced by adopting the impregnating agent have the advantages of good short cutting dispersibility, good intermiscibility with epoxy resin, fast soaking speed, and great improvement of mechanical performances of epoxy glass fiber reinforced plastic pipelines.

Description

(1) Technical field [0001] The invention relates to a glass fiber thermosetting resin technology, in particular to a sizing agent for plying yarns for reinforced epoxy pipe chopping. (2) Background technology [0002] The continuous winding molding production process of FRP pipes uses two kinds of glass fibers, direct yarn and ply yarn, as reinforcing materials. The direct yarn mainly enhances the hoop strength, while the ply yarn mainly plays the role of enhancing the axial strength. According to market research, so far, due to the special curing process of epoxy resin, the continuous winding molding process has not been applied to the production of epoxy FRP pipes. After years of research, a well-known foreign pipe manufacturer has taken the lead in producing epoxy FRP pipes by continuous winding molding. However, there is no ply yarn specially reinforced with epoxy resin on the market. The manufacturer can only use ply yarn reinforced with polyester. Instead, the perform...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C25/42
Inventor 张志坚张燕高厚喜宋长久周贤旺鲁亚辉钟洪强
Owner JUSHI GRP CO
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