CN104445964B - A kind of alkali-free glass fibre and preparation method thereof - Google Patents

A kind of alkali-free glass fibre and preparation method thereof Download PDF

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Publication number
CN104445964B
CN104445964B CN201410623741.5A CN201410623741A CN104445964B CN 104445964 B CN104445964 B CN 104445964B CN 201410623741 A CN201410623741 A CN 201410623741A CN 104445964 B CN104445964 B CN 104445964B
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parts
alkali
glass fibre
wollastonite
free glass
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CN104445964A (en
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刘钢
刘术明
邓贤朝
代文龙
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NEIJIANG HUAYUAN ELECTRONIC MATERIALS CO Ltd
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NEIJIANG HUAYUAN ELECTRONIC MATERIALS CO Ltd
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Glass Compositions (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)

Abstract

The invention discloses a kind of alkali-free glass fibre, including wollastonite：200 parts~300 parts；250~350 parts of pyrophillite；50~100 parts of quick lime；100 parts~200 parts of kaolin；50 parts~100 parts of dolomite；10 parts~80 parts of colemanite；80~160 parts of white afrodite；10 parts~30 parts of fluorite；5 parts~20 parts of saltcake.What the formula of disclosure of the invention was innovated employs wollastonite as the raw material of production alkali-free fibrous glass, reduces the usage amount of pyrophillite and quick lime, has saved cost of material and energy cost, with good economic benefit.

Description

A kind of alkali-free glass fibre and preparation method thereof
Technical field
The present invention relates to technical field prepared by glass fibre, and in particular to a kind of alkali-free glass fibre and its preparation side Method.
Background technology
At present, the production of China's glass fiber industry is main uses pool kiln wiredrawing production technology, using this technique productions without During alkali containing glass fibre, its main miberal powder (micro mist) raw material is pyrophillite, with the expansion of global tank furnace glass fibre production capacity, miberal powder Raw material resources will constantly reduce.Meanwhile, the main component of wollastonite is CaSiO3 or CaSiO2, the chemistry with alkali-free glass fibre Component closely, while fusing point is low, contributes to fusing.And China is wollastonite resource most abundant country, China in the world Wollastonite be industrially widely used to the industries such as papermaking, ceramics, cement, but in alkali-free glass fibre production industry also not There is the technology application of maturation.
The content of the invention
It is an object of the invention to provide a kind of use wollastonite manufacture alkali-free glass fibre formula with and preparation method thereof.
Up to above-mentioned purpose, to provide a kind of formula of alkali-free glass fibre in one embodiment of the present of invention, including with The component of lower weight proportion：
Wollastonite：200 parts~300 parts；250~350 parts of pyrophillite；50~100 parts of quick lime；Kaolin 100 parts~200 Part；50 parts~100 parts of dolomite；10 parts~80 parts of colemanite；80~160 parts of white afrodite；10 parts~30 parts of fluorite；Saltcake 5 Part~20 parts.
What the disclosed formula of foregoing invention was innovated employs wollastonite as the raw material of production alkali-free fibrous glass, reduces The usage amount of pyrophillite and quick lime, has saved cost of material and energy cost, with good economic benefit, and reduces Environmental pollution, with preferable social benefit.
An alternative embodiment of the invention, disclose the preparation method of alkali-free glass fibre, including by by weight ratio Raw material is mixed, and is founded at a temperature of 1520 DEG C~1620 DEG C, and by being flowed out in the platinum bushing plate in 800~5000 holes, then Macromolecule emulsion is coated on its surface, 9um~24um filament is drawn into.
Embodiment
When implementing the present invention, it is necessary first to configure raw material, general, the same ore deposit of different manufacturers or different grown places The content composition of stone raw material might have the difference of a bit.In the present invention,
The component content of wollastonite is preferably SiO2>=40%, CaO >=38%, Fe2O3≤ 0.6%, H2O≤1%；
The composition of pyrophillite is preferably：SiO2>=72%, Al2O3>=16.5%, Fe2O3≤ 0.5%, H2O≤1%；
Kaolinic composition is preferably：SiO2≤ 45%, Al2O3>=35%, Fe2O3≤ 0.8%, H2O≤1%；
The composition of quick lime is preferably：CaO >=85%, Fe2O3≤ 0.15%, MgO≤3%, H2O≤1%；
The composition of dolomite is preferably：CaO >=30%, Fe2O3≤ 0.12%, MgO≤19.5%, H2O≤1%；
The composition of colemanite is preferably：CaO >=28%, Fe2O3≤ 0.10%, SiO2≤ 6.5%, H2O≤1%；
The composition of white afrodite is preferably：SiO2>=82%, Al2O3>=12%, Fe2O3≤ 0.50%, H2O≤1%；
The composition of fluorite is preferably：CaF2>=90%, H2O≤1%；
The composition of saltcake is preferably：Na2SO4>=96%, H2O≤1%.
Weigh following raw material components：
Embodiment 1：
Wollastonite：180 parts；300 parts of pyrophillite, 150 parts of kaolin；80 parts of dolomite；80 parts of colemanite；Fluorite 23 Part；90 parts of quick lime；7 parts of saltcake；90 parts of white afrodite.
Embodiment 2：
Wollastonite：215 parts；305 parts of pyrophillite, 145 parts of kaolin；70 parts of white clouds；60 parts of colemanite；26 parts of fluorite； 70 parts of quick lime；9 parts of saltcake；100 parts of white afrodite.
Embodiment 3：
Wollastonite：240 parts；260 parts of pyrophillite, 160 parts of kaolin；65 parts of dolomite；50 parts of colemanite；Fluorite 30 Part；70 parts of quick lime；10 parts of saltcake；115 parts of white afrodite.
Embodiment 4：
Wollastonite：255 parts；305 parts of pyrophillite, 140 parts of kaolin；65 parts of dolomite；45 parts of colemanite；Fluorite 20 Part；70 parts of quick lime；10 parts of saltcake；90 parts of white afrodite.
Embodiment 5：
Wollastonite：280 parts；270 parts of pyrophillite, 150 parts of kaolin；60 parts of dolomite；33 parts of colemanite；Fluorite 20 Part；70 parts of quick lime；12 parts of saltcake；105 parts of white afrodite.
Embodiment 6：
Wollastonite：265 parts；295 parts of pyrophillite, 140 parts of kaolin；70 parts of dolomite；20 parts of colemanite；Fluorite 15 Part；80 parts of quick lime；15 parts of saltcake；100 parts of white afrodite.
Alkali-free glass fibre silk is made in formula in 1~embodiment of embodiment 6 in accordance with the following methods：Will by weight ratio Raw material mixing, and founded at a temperature of 1520 DEG C~1620 DEG C, and by being flowed out in the platinum bushing plate in 800~5000 holes, so Macromolecule emulsion is coated on its surface afterwards, 9um~24um filament is drawn into.
By according to made alkali-free glass fibre progress chemical detection is formulated in 1~embodiment of embodiment 6, its composition refers to It is designated as meeting national standard；The wherein content of each component such as table 1.
Component SiO2 Al2O3 Fe2O3 CaO MgO Na2O K2O B2O3
Embodiment 1 54.5 14.2 0.4 23.5 2.4 0.40 0.35 3.5
Embodiment 2 55.4 14 0.4 23.7 2.2 0.4 0.3 3.0
Embodiment 3 55.6 14.0 0.4 24 2.0 0.4 0.3 2.6
Embodiment 4 56.5 13.7 0.3 24 2 0.5 0.2 2.1
Embodiment 5 57.0 13.6 0.3 24.4 1.8 0.5 0.2 1.5
Embodiment 6 56.8 13.8 0.4 24.2 2.2 0.5 0.2 1.0

Claims (7)

1. a kind of alkali-free glass fibre, includes the component of following weight proportion：
Wollastonite：200 parts ~ 300 parts；250 ~ 350 parts of pyrophillite；50 ~ 100 parts of quick lime；100 parts ~ 200 parts of kaolin；White clouds 50 parts ~ 100 parts of stone；10 parts ~ 80 parts of colemanite；80 ~ 160 parts of white afrodite；10 parts ~ 30 parts of fluorite；5 parts ~ 20 parts of saltcake.
2. alkali-free glass fibre as claimed in claim 1, it is characterised in that：Include the component of following weight proportion：
Wollastonite：215 parts；305 parts of pyrophillite, 145 parts of kaolin；70 parts of dolomite；60 parts of colemanite；26 parts of fluorite；It is raw 70 parts of lime；9 parts of saltcake；100 parts of white afrodite.
3. alkali-free glass fibre as claimed in claim 1, it is characterised in that：Include the component of following weight proportion：
Wollastonite：240 parts；260 parts of pyrophillite, 160 parts of kaolin；65 parts of dolomite；50 parts of colemanite；30 parts of fluorite；It is raw 70 parts of lime；10 parts of saltcake；115 parts of white afrodite.
4. alkali-free glass fibre as claimed in claim 1, it is characterised in that：Include the component of following weight proportion：
Wollastonite：255 parts；305 parts of pyrophillite, 140 parts of kaolin；65 parts of dolomite；45 parts of colemanite；20 parts of fluorite；It is raw 70 parts of lime；10 parts of saltcake；90 parts of white afrodite.
5. alkali-free glass fibre as claimed in claim 1, it is characterised in that：Include the component of following weight proportion：
Wollastonite：280 parts；270 parts of pyrophillite, 150 parts of kaolin；60 parts of dolomite；33 parts of colemanite；20 parts of fluorite；It is raw 70 parts of lime；12 parts of saltcake；105 parts of white afrodite.
6. alkali-free glass fibre as claimed in claim 1, it is characterised in that：Include the component of following weight proportion：
Wollastonite：265 parts；295 parts of pyrophillite, 140 parts of kaolin；70 parts of dolomite；20 parts of colemanite；15 parts of fluorite；It is raw 80 parts of lime；15 parts of saltcake；100 parts of white afrodite.
7. prepare the method for any described alkali-free glass fibre in claim 1 ~ 6, it is characterised in that：Including that will match somebody with somebody by weight The raw material mixing of ratio, and founded at a temperature of 1520 DEG C ~ 1620 DEG C, and by being flowed out in the platinum bushing plate in 800 ~ 5000 holes, so Macromolecule emulsion is coated on its surface afterwards, 9 μm ~ 24 μm of filament is drawn into.
CN201410623741.5A 2014-11-06 2014-11-06 A kind of alkali-free glass fibre and preparation method thereof Active CN104445964B (en)

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CN107954599A (en) * 2017-12-25 2018-04-24 安徽同力新材料有限公司 A kind of preparation method of high-performance glass fiber yarn
CN108191226B (en) * 2018-01-15 2021-05-18 内江华原电子材料有限公司 Method for producing glass fiber by using spodumene slag as fluxing clarifying agent
CN108751725A (en) * 2018-07-19 2018-11-06 安徽省绩溪县华宇防火滤料有限公司 A kind of alkali-free glass fibre yarn

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CN102531402B (en) * 2011-12-20 2013-11-27 内江华原电子材料有限公司 Method for producing alkali-free glass fiber by albite serving as fluxible clarifying agent
CN103771716A (en) * 2014-02-13 2014-05-07 江苏长海复合材料股份有限公司 ECR fluoride-free boron-free high-strength direct yarn and preparation method thereof

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