Manufacturing method of full-core reinforced composite template

A technology for enhancing composite and manufacturing methods, applied in the field of composite material manufacturing, can solve the problems of cumbersome production process, high cost, and the core layer is not reinforced, and achieves the effect of reducing the cost of template engineering, high turnover and convenient demoulding.

Pending Publication Date: 2021-09-24
江苏美龙新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Utility model patent 201620669283.3 A combined frame building formwork with continuous fiber reinforced plastic honeycomb panels as panels, only the surface layer i

Method used

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  • Manufacturing method of full-core reinforced composite template
  • Manufacturing method of full-core reinforced composite template

Examples

Experimental program
Comparison scheme
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Example Embodiment

[0027] Example 1:

[0028] A method for producing a fully reinforced composite core template, comprising the steps of:

[0029] Step a: mixing;

[0030] The formaldehyde-based resin, a diluent, a curing agent, a releasing agent, a modifier stirring, mixed well, and then added over 15min foaming agent to give a mixture; wherein, preferably formaldehyde-based resin mass ratio of 6: 3 phenol resin and benzoxazine resin mixture is piperazine, a diluent is preferably a mass ratio of 1: 2 mixture of alcohol and water of ratio, the concentration of the curing agent is preferably 60% aqueous solution of phthalic anhydride, preferably zinc stearate mold release agent, modifier is preferably a polyvinyl alcohol, a blowing agent is preferably a mass ratio of 0.3: 0.4: mixture AC, NC 1 and beads, formaldehyde-based resins, diluents, curing agents, mold release agents, modifying agents, foam agent is the mass percentage: 40: 37: 1: 4: 15: 3.

[0031] Step two: impregnation and drying;

[0032]...

Example Embodiment

[0040] Example 2:

[0041] A method for producing a fully reinforced composite core template, comprising the steps of:

[0042] Step a: mixing;

[0043] The formaldehyde-based resin, a diluent, a curing agent, a releasing agent, a modifier stirring, mixed well, and then added over 15min foaming agent to give a mixture; wherein, preferably formaldehyde-based resin mass ratio of 6: 3 phenol resin and benzoxazine resin mixture is piperazine, a diluent is preferably a mass ratio of 1: 2 mixture of alcohol and water of ratio, the concentration of the curing agent is preferably 60% aqueous solution of phthalic anhydride, preferably zinc stearate mold release agent, modifier is preferably a polyvinyl alcohol, a blowing agent is preferably a mass ratio of 0.3: 0.4: mixture AC, NC 1 and beads, formaldehyde-based resins, diluents, curing agents, mold release agents, modifying agents, foam mass ratio of agent: 40: 22: 1: 4: 30: 3.

[0044] Step two: impregnation and drying;

[0045]In the ru...

Example Embodiment

[0053] Example 3

[0054] A method of manufacturing a full-core enhancement composite template, including the following steps:

[0055] Step 1: mix;

[0056] The formaldehyde-based resin, diluent, curing agent, release agent, modifier were stirred, and after mixing, it was mixed with a blowing agent to mix 15 min or more, and a mixture was obtained; wherein the formaldehyde resin is preferably 6: 3 The mixture of phenolic resins and benzoxazine resins, the diluent is preferably a mixture of alcohol and water of 1: 2, and the curing agent preferably has a concentration of 60% aqueous anhydride solution, and the release agent is preferably zinc stearate. The modifier is preferably polyvinyl alcohol, a mixture of AC, NC and microbeads of AC, NC, and microspheres, formaldehyde-based resins, diluents, curing agents, release ageplates, modifiers, foaming ageplates The mass ratio of the agent is: 40: 17: 1: 4: 35: 3.

[0057] Step two: impregnate dry;

[0058] In the glue groove of the i...

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Abstract

The invention discloses a manufacturing method of a full-core reinforced composite template. The method comprises the following steps of 1, mixing materials, specifically, fully stirring and uniformly mixing phenolic resin, epoxy resin, melamine resin, benzoxazine resin, a curing agent, a release agent, a foaming agent and a diluent according to a formula; 2, infiltrating, specifically, fully infiltrating fiber reinforced materials with different varieties, specifications and gram weights through a glue dipping line tank, conducting heating and pre-curing through a drying tunnel to achieve the needed feeding amount and residual volatile matter, conducting cutting and stacking, and preparing intermediate prepregs with different varieties, specifications and gram weights; 3, conducting blank assembling, specifically, conducting blank assembling according to the density, thickness, size specification and strength requirements of the target product; and 4, conducting thickness limiting, heating, foaming, curing and molding through a hot press, inspecting, cutting, packaging and warehousing to obtain a full-core reinforced composite template product. The full-core reinforced composite template prepared by the method is light in weight, high in strength, flame-retardant, corrosion-resistant, homogeneous inside and outside, and free of structural defects. The manufacturing method is feasible and low in cost.

Description

technical field [0001] The invention relates to a method for manufacturing composite materials, in particular to a method for manufacturing a full-core reinforced composite template. Background technique [0002] The building formwork is a temporary support structure, which is manufactured according to the design requirements, so that the concrete structure and components are shaped according to the specified position and geometric size, maintain their correct positions, and bear the self-weight of the building formwork and the external load acting on it. Existing building formwork materials mainly include plywood, bamboo plywood, steel formwork, aluminum formwork, plastic formwork (including wood-plastic formwork and hollow plastic formwork) and the like. [0003] However, plywood has the problem of easy mold expansion due to water absorption, bamboo plywood is difficult to nail, and plastic formwork has the problem of poor weather resistance, so it is easy to be affected b...

Claims

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Application Information

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IPC IPC(8): B29C37/02B29C51/18B29C51/42B29C69/02B29C70/40B29C70/54
CPCB29C70/40B29C70/54B29C69/02B29C51/18B29C51/42B29C37/02
Inventor 吴毅炳柳顺龙傅晓东
Owner 江苏美龙新材料有限公司
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