Resin composition for civil defense door, door leaf and civil defense door
A resin composition and the technology of civil air defense doors, which are applied in the field of civil air defense doors, can solve the problems of difficult transportation and installation, heavy weight of civil air defense products, and high energy consumption in the production process, and achieve the effects of light weight, less waste, and less environmental pollution
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[0069] Composition of the resin mixture
[0070] Based on the total weight of the resin composition, the ratio of the resin composition is: 36% of 199-type m-benzene unsaturated polyester resin, 20% of basalt fiber cloth, 13% of basalt fiber grid (50mm×50mm), 13% of glass fiber short Cut mat 3%, basalt rock particles (3mm) 20%, flame retardant (aluminum hydroxide) 3%, cobalt naphthenate 2%, methyl ethyl ketone peroxide 3%.
[0071] Manufacture of doors
[0072] First, fully stir the 199-type unsaturated polyester resin, cobalt naphthenate, and flame retardant aluminum hydroxide according to the proportion to obtain the unsaturated polyester resin premix.
[0073] The surface of the mold with the groove in the shape of the ring insert is treated with mold release water, and the locks and hinges are placed in the predetermined positions. Then spray gel coat resin (8300g-1, DSM) on its surface. Before painting, add the curing agent methyl ethyl ketone peroxide in the above pro...
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