A kind of glass fiber/flame-retardant polypropylene fiber lightweight composite board and its preparation method
A flame retardant polypropylene and glass fiber technology, applied in textiles, papermaking, non-woven fabrics, etc., can solve the problems of increasing production and processing procedures, complex processing technology, and increasing production costs, and achieve lightweight, simple processing technology, and improved production efficiency. The effect of production efficiency
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Embodiment 1
[0030] Weigh raw materials (kg) according to the following weight: glass fiber 50, flame retardant polypropylene fiber 50;
[0031] The method of producing this lightweight composite board: figure 1 Be the technical process schematic diagram of the present invention, below in conjunction with figure 1 This embodiment will be described. Evenly mix 50kg of white glass fiber with a length of 60-80mm and 50kg of white flame-retardant polypropylene fiber with a length of 60-110mm; put the mixed fiber into the unloading machine for unloading treatment, each time for 5-10min, repeat 2-3 times, and then sent to the large warehouse; the opened mixed fiber is transported to the carding machine for carding and forming, and then sent to the web lapper for cross-laying; the laid fiber web is transported to the pre-needling machine for pre-needling into felt; the pre-needled felt will continue to be sent to the main needling machine for main needling, and after reaching the predetermined ...
Embodiment 2
[0034] Take the raw material (kg) according to the following weight: glass fiber 40, flame retardant polypropylene fiber 60;
[0035] The method of producing the lightweight composite board: evenly mix 40kg of white glass fibers with a length of 60-80mm and 60kg of white flame-retardant polypropylene fibers with a length of 60-110mm; put the mixed fibers into the unloading machine for unloading, Each treatment is 5-10min, repeated 2-3 times, and then sent to the large warehouse; the mixed fibers that have been opened and treated are transported to the carding machine for carding and forming, and then sent to the web-laying machine for cross-laying; The fiber web is transported to the pre-needling machine for pre-needling into felt; the pre-needled felt is sent to the main needling machine for main needling, and after reaching the predetermined weight requirement, it is rolled by a roller press at room temperature to prepare Glass fiber / flame retardant polypropylene fiber compo...
Embodiment 3
[0038] Take the raw material (kg) according to the following weight: glass fiber 60, flame retardant polypropylene fiber 40;
[0039] The method of producing the lightweight composite board: uniformly mix 60kg of white glass fibers with a length of 60-80mm and 40kg of white flame-retardant polypropylene fibers with a length of 60-110mm; put the mixed fibers into the unloading machine for unloading, Each treatment is 5-10min, repeated 2-3 times, and then sent to the large warehouse; the mixed fibers that have been opened and treated are transported to the carding machine for carding and forming, and then sent to the web-laying machine for cross-laying; The fiber web is transported to the pre-needling machine for pre-needling into felt; the pre-needled felt is sent to the main needling machine for main needling, and after reaching the predetermined weight requirement, it is rolled by a roller press at room temperature to prepare Glass fiber / flame retardant polypropylene fiber co...
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Abstract
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