Composite board for high temperature mixture product mold and production process

A composite plate, high-temperature mixing technology, applied in the direction of synthetic resin layered products, layered products, natural mineral layered products, etc., can solve the problems of high-temperature mixture and mold temperature difference, poor thermal conductivity, etc., to ensure smooth surface High temperature, high temperature stability, saving material and time cost effect

Active Publication Date: 2015-11-18
CHINA UNIV OF MINING & TECH
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Problems solved by technology

[0004] Technical problem: The purpose of this invention is to provide a composite plate for high-temperature mixture parts mold and its production process, to solve the problem of interaction

Method used

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  • Composite board for high temperature mixture product mold and production process

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Embodiment Construction

[0021] An embodiment of the present invention will be further described below in conjunction with accompanying drawing:

[0022] The composite sheet for the part mold includes ordinary sheet, pyrophyllite powder, high-temperature glue, mica sheet 2 and flame-retardant polycarbonate film 1; The inner wall structure layer is composed of ordinary board 4, pyrophyllite powder and high-temperature glue mixture 3, mica board 2, and flame-retardant polycarbonate film 1.

[0023] in:

[0024] a. Pyrophyllite powder: particle size ≥ 400 mesh, refractoriness > 1500°C, baked at 200°C for 24 hours, moisture < 0.5%;

[0025] b. High-temperature glue: high-temperature glue above 400°C is used, and the long-term temperature resistance is >350°C;

[0026] c. Mica board: temperature resistance grade: 500°C for continuous use, 850°C for intermittent use; flexural strength > 200MPa, water absorption < 1%, thickness 0.2-10mm;

[0027] d. Flame-retardant polycarbonate film: thickness 0.03-3.0mm...

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Abstract

Belonging to composite boards for molds and production processes, the invention provides a composite board for a high temperature mixture product mold and a production process. The composite board is composed of an outer wall structural layer and an inner wall structural layer which are an ordinary plate, a pyrophillite and high temperature glue mix, a mica plate, and a flame retardant polycarbonate film respectively. The ordinary plate is steel plate, high strength rigid plastic plate or wood plate. The production process includes: stirring pyrophillite and high temperature glue fully, then laying the mix on the surface of the ordinary plate, covering the pyrophillite and high temperature glue mix with the mica plate, and performing compression moulding, bonding the flame retardant polycarbonate film on the mica plate surface by high temperature glue, and carrying out vacuum bubble removal treatment, thus forming the four-layer structure composite board. The composite board for the high temperature mixture product mold can eliminate the influence of a high temperature mixture to the product mold, ensures the mold temperature stability, balances the mixture internal and boundary temperature gradient, effectively guarantees each direction homogeneity and surface smoothness and finish of test pieces, greatly improves the product success rate, and saves material and time cost.

Description

technical field [0001] The invention relates to a composite plate for a mold and a production process, in particular to a composite plate for a high-temperature mixture product mold and a production process. Background technique [0002] At present, in the field of civil engineering, similar simulation materials are mostly used in indoor physical test research. Among them, many materials need to be poured under the hot melt state of the binder, and there are also many materials that need to be stirred and poured under high temperature. It is poured in a liquid state and cooled and solidified to form a rock-like material that meets the required physical and mechanical indicators. The test research is based on "Engineering Rock Mass Test Method Standard" (GBT50266-2013) and "Highway Engineering Rock Test Regulations" (JTG_E41-2005) using standard specimens (Φ50×100mm, 50×50×50mm, 50×50×100mm , 70×70×70mm, 100×100×100mm, 150×150×150mm), and some non-standard size test pieces a...

Claims

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Application Information

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IPC IPC(8): B32B19/02B32B19/04B32B9/00B32B27/36B32B37/12
CPCB32B9/002B32B19/02B32B19/048B32B27/365B32B37/12
Inventor 齐燕军靖洪文东兆星许国安陈坤福孟波
Owner CHINA UNIV OF MINING & TECH
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