A kind of composition for preparing glass fiber and its high-performance glass fiber
A glass fiber and composition technology, applied in the field of glass fiber materials, can solve problems such as high crystallization temperature and difficulty in fiber forming
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[0065] The present invention does not have special limitation to the preparation method of described glass fiber, is preferably produced by pool kiln method, specifically can be prepared according to the following method:
[0066] Mix all kinds of raw materials evenly and put them into the tank kiln. After melting, clarification and homogenization, the glass liquid is obtained;
[0067] The glass fiber is obtained after the glass liquid is cooled, flowed out and drawn.
[0068] In the present invention, various raw materials are firstly mixed in a mixing tank, and after being mixed evenly, they are transported to the tank kiln silo; then the tank kiln silo puts the mixed material into the tank kiln, and is melted and melted at 1400-1600°C. clarification and homogenization to obtain molten glass;
[0069] Cool the molten glass to 1200-1300°C, flow out through the platinum bushing, and draw it into glass filaments with a diameter of 3-35um under the traction of a wire drawing m...
Embodiment 1-11
[0078] Glass fibers were prepared according to the following method:
[0079] Select raw materials according to the glass fiber composition shown in Table 1, and calculate the consumption of each raw material;
[0080] Then weigh the required raw materials in proportion, and transport them all to the mixing tank. After mixing evenly, transport the mixture to the tank kiln silo;
[0081] Put the mixed material in the kiln silo into the kiln. In the kiln, the mixed material is gradually melted into molten glass at a high temperature above 1400°C. After clarification and homogenization, the stable and high-quality molten glass enters the wire drawing operation channel ;
[0082] After the glass liquid in the wire drawing operation channel is cooled to a suitable temperature, it flows out through the platinum bushing, and is quickly drawn into a glass wire with a diameter of 3-35 μm by the wire drawing machine;
[0083] The glass filaments are spray cooled and coated with a sizi...
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Abstract
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