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D-glass fibre

A glass fiber and weight technology, applied in the field of glass composition, can solve the problems of unsatisfactory stripping, difficult glass fiber manufacturing process, unsatisfactory moisture resistance, etc., achieve obvious economic and social benefits, improve comprehensive performance, prevent smoking The effect of wire breakage

Inactive Publication Date: 2008-01-30
浙江显峰汽车配件有限公司驻珠海办事处
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] However, although the dielectric constant of the existing glass materials disclosed above can be reduced to about 5.0, there is still a phenomenon of crystallization after spinning, and its moisture resistance is not ideal
Therefore, this not only adds difficulties to the glass fiber manufacturing process, but also has unsatisfactory problems such as peeling in the field of printed circuit boards.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: Get 52.85% SiO2 according to the proportioning ratio of formula 2 , 12%Al 2 o 3 , 8% CaO, 5% MgO, 22% B 2 o 3 and 0.15% Fe 2 o 3 According to the conventional process of producing glass fiber, the mixture is stirred evenly into the kiln and heated to 1600°C; after melting, it is made into glass balls (blocks) through a ball making machine; then the glass balls are placed in another kiln for heating At 1600°C, the molten glass solution flows out through the platinum leak plate to form a 6μm glass filament, which can be wound.

Embodiment 2

[0028] Embodiment 2: the process method identical with embodiment 1 is produced, gets 62.55% SiO 2 , 10% Al 2 o 3 , 10% CaO, 2% MgO, 15% B 2 o 3 and 0.05% Fe 2 o 3 , 0.2%Na 2 0.0.2%K 2 O mixed materials, heated and melted in a kiln, and made into blocks; then melted in a kiln and blown by flame to blow the glass solution into 0.2μm glass fibers.

Embodiment 3

[0029] Embodiment 3: the process method identical with embodiment 1 is produced, gets 60.68% SiO 2 , 11% Al 2 o 3 , 5% CaO, 3% MgO, 18% B 2 o 3 and 0.10% Fe 2 o 3 , 0.10% Na 2 O, 0.12%K 2 O, 2%TiO 2 After mixing, it is heated and melted in a kiln, pelletized and drawn.

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PUM

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Abstract

D-glass fiber consists of SiO2, Al2O3, CaO, MgO, B2O3 and Fe2O3. It has a lower dielectric constant, viscosity temperature of Log3 is <1300DEG C, liquefaction temperature is <1100DEG C, the difference between the both is above 75DEG C. It can prevent fibre spinning and crystallizing, has good wetting-resistant performance and lower electricity consumption. It can be used for substrate materials for printing circuit board.

Description

technical field [0001] The invention relates to a glass composition with special performance, especially a kind of D glass fiber, which is the preferred substrate of printed circuit boards. Background technique [0002] The main components of glass fiber are silica, alumina, calcium oxide, boron oxide, magnesium oxide, sodium oxide, etc. According to the amount of alkali in the glass, it can be divided into alkali-free glass fiber (sodium oxide 0-2%), Medium-alkali glass fiber (8-12% sodium oxide) and high-alkali glass fiber (more than 13% sodium oxide). The cross-section of glass fiber is circular, the diameter is between a few microns and 20 microns, and the density is about 2.4-2.7 g / cubic centimeter. Fiberglass is extremely strong, with a tensile strength about five times that of steel wire of the same thickness, and it can withstand a load of up to 70 tons per square centimeter. Glass fiber is an inorganic fiber, which has better heat resistance, moisture resistance, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C3/087C03C3/091
CPCC03C3/091
Inventor 万其昌王中俭林志光朗·弗林李宁
Owner 浙江显峰汽车配件有限公司驻珠海办事处
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