High-modulus glass fiber composition based on basalt
A glass fiber, high modulus technology, applied in the field of glass fiber, can solve the problems of poor glass stability, poor modulus stability, poor mechanical strength, etc.
Active Publication Date: 2018-11-06
TAISHAN FIBERGLASS INC
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Problems solved by technology
Fe in this patent 2 o 3 The content is higher, when Fe 2 o 3 When the content of FeO is greater than 5.5%, the glass is easy to separate phases, resulting in poor stability and poor mechanical strength of the glass; in addition, the content of FeO is also high, when FeO / Fe 2 o 3 When the value is higher than 0.6, the homogeneity of the glass is poor and the modulus stability is poor
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1-8
[0063] The compositions of the high modulus glass fiber compositions produced based on basalt in Examples 1-8 are shown in Table 1.
[0064] According to the content of each component, different raw materials are used for proportioning and mixing, and the mixed raw materials are melted and clarified in a kiln at 1550±50°C to obtain a high-modulus glass fiber composition based on basalt, and then After annealing, the fiber forming temperature, crystallization upper limit temperature, ΔT, glass Young's modulus, and bubble number of the glass fiber composition were tested. The data are shown in Table 1.
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Abstract
The invention belongs to the technical field of glass fibers and in particular relates to a high-modulus glass fiber composition based on basalt. The composition comprises the following components: 53.0-60.0% of SiO2, 24.5-28.0% of Al2O3, 8.0-15.0% of MgO, 1.5-5.5% of Fe2O3, 2.0-4.0% of TiO2, greater than 0% and less than or equal to 5.0% of CaO, greater than 0% and less than or equal to 1.5% of Na2O and greater than 0% and less than or equal to 0.5% of K2O. The glass fiber composition provided by the invention has a modulus of 93-95GPa. The glass fiber composition is prepared from a basalt mineral raw material and a common glass fiber mineral raw material, a large ratio of a Fe2O3 component is introduced, and particularly FeO / Fe2O3 is less than or equal to 0.6, so that the glass fiber hasthe properties of specific high strength, high modulus and the like of a basalt glass fiber, and has the advantage of high-efficiency industrial production of glass fibers.
Description
technical field [0001] The invention belongs to the technical field of glass fiber, in particular to a high-modulus glass fiber composition produced based on basalt. Background technique [0002] Due to a series of excellent properties such as high temperature resistance, corrosion resistance, high strength, low specific gravity, low moisture absorption, small elongation and good insulation, glass fiber has been widely used in electronics, communications, nuclear energy, aviation, aerospace, weapons, ships and marine development. , genetic engineering and other high-tech industries. [0003] Basalt fiber has a series of excellent properties, such as high strength modulus, high temperature resistance, chemical corrosion resistance and so on. However, the production of basalt fiber is difficult, the fiber forming temperature is high, the crystallization upper limit temperature is high and the crystallization rate is fast, the heat permeability is poor, the production efficien...
Claims
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IPC IPC(8): C03C13/02C03C6/02C03C6/00
CPCC03C1/00C03C13/00C03C13/06C03C3/087C03C13/046
Inventor 唐志尧呼跃武李永艳
Owner TAISHAN FIBERGLASS INC
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