A kind of production process of high modulus non-alkali glass fiber

An alkali-free glass fiber and production process technology, which is applied in the production process field of high-modulus alkali-free glass fiber, can solve the problems of low elastic modulus, easy oxidative discoloration, affecting tensile force, etc., and achieves high elastic modulus and improved tensile strength. Tensile load, the effect of improving uniformity

Active Publication Date: 2016-05-18
江苏九鼎特种纤维有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing glass fiber impregnating adhesives have problems such as high brittleness, poor toughness, affecting tensile force, and easy oxidation and discoloration, so they are only suitable for preparing glass fibers with low elastic modulus

Method used

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  • A kind of production process of high modulus non-alkali glass fiber
  • A kind of production process of high modulus non-alkali glass fiber
  • A kind of production process of high modulus non-alkali glass fiber

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The composition and weight ratio of high modulus alkali-free glass fiber are: SiO 2 : 59%; TiO 2 : 0.5%; Al 2 o 3 : 13%; Fe 2 o 3 : 0.3%; CaO: 22.3%; LiO 2 : 0.2%; MgO: 3%; WO 3 : 0.5%; CeO 2 : 0.5%; Na 2 O: 0.5%; K 2 O: 0.2%.

[0016] The high-modulus alkali-free glass fiber of the above-mentioned components is prepared by the following process, specifically as follows:

[0017] Preparation of raw materials: Take 100g of quartz sand, 650g of pyrophyllite, 340g of limestone, 130g of dolomite, 5.2g of lithium carbonate, and 5.2g of cerium oxide, mix the above raw materials evenly, and the uniformity is ≥95%. The formula is consistent with the above ingredients and content . Although the composition of the raw materials is complex, the main components and impurity content of the raw materials used are regulated accordingly, and the glass with the above components can be prepared through the above material list.

[0018] Melting: Put the prepared raw materials ...

Embodiment 2

[0028] Process is identical with embodiment 1, and component and weight percentage thereof are: SiO 2 : 59.5%; TiO 2 : 1.5%; Al 2 o 3 : 12.6%; Fe 2 o 3 : 0.2%; CaO: 22.5%; LiO 2 : 0.2%; MgO: 2.8%; CeO 2 : 0.2%; Na 2 O: 0.35%; K 2 O: 0.15%. The corresponding material formula is as follows: dolomite: 13.0g; limestone: 35.0g; pyrophyllite: 63.0g; quartz sand: 12.0g; titanium oxide: 1.5g; lithium carbonate: 0.52g; cerium oxide: 0.2g.

[0029] The components and parts by weight of the dipping glue used in the dipping process are: 10 parts of 618 epoxy resin, 1 part of triethylenetetramine curing agent and 3 parts of acetone diluent.

[0030] Embodiment 2 compares with the test result of prior art:

[0031] The product was tested in a pilot test, and the data results after the pilot test were compared with EC-R glass and US Patent No. 4026715. The data are as follows:

[0032]

[0033] WO is not used in this example 3 , the purpose is to reduce the cost as much as pos...

Embodiment 3

[0035] Process is identical with embodiment 1, and component and weight percentage thereof are: SiO 2 : 60%; TiO 2 : 1.5%; Al 2 o 3 : 12.6%; Fe 2 o 3 : 0.2%; CaO: 21.7%; LiO 2 : 0.2%; MgO: 2.8%; CeO 2 : 0.5%; Na 2 O: 0.35%; K 2O: 0.15%. The corresponding material formula is as follows: dolomite: 12.6g; limestone: 32.0g; pyrophyllite: 64.5g; quartz sand: 12.0g; titanium oxide: 1.3g; lithium carbonate: 0.5g; cerium oxide: 0.52g.

[0036] The components and parts by weight of the dipping glue used in the dipping process are: 10 parts of 618 epoxy resin, 1 part of triethylenetetramine curing agent and 4 parts of acetone diluent.

[0037] Embodiment 3 is compared with the test result of prior art:

[0038] The product was tested in a pilot test, and the data results after the pilot test were compared with EC-R glass and a US patent number: 4026715. The data are as follows:

[0039]

[0040] The reproducibility test of the experimental results was carried out on the ab...

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Abstract

The invention discloses a production technology of high-modulus alkali-free glass fiber. The technology comprises steps of preparing raw materials, fusing, wire drawing, winding, glue dipping, drying and detecting. The high-modulus alkali-free glass fiber comprises following chemical components by weight: 57-60% of SiO2, 0.5-1.5% of TiO2, 12-14% of Al2O3, 0.2-0.5% of Fe2O3, 22-23% of CaO, 0.1-0.5% of LiO2, 2.5-3% of MgO, 0.3-0.5% of Na2O, 0.1-0.5% of K2O and 0.2-0.5% of CeO2, wherein the sum of the weight percentages of the components is 100%. The glue dipping step adopts a dipping glue comprising following components by weight: 10 parts of 618 epoxy resin, 1 part of a triethylene tetramine curing agent and 2-4 parts of an acetone diluent. The high-modulus alkali-free glass fiber prepared by the technology is high in elastic modulus, high in product strength, and good in acid resistance and insulating property.

Description

technical field [0001] The invention relates to a production process of high-modulus alkali-free glass fiber, in particular to a production process of glass fiber for fan blades. Background technique [0002] The elastic modulus of E glass and E-CR glass at home and abroad are 72Gpa and 80Gpa respectively. The elastic modulus of glass fiber is not much more than 86Gpa. Compared with ordinary alkali-free glass fiber, high-strength and high-modulus glass fiber has excellent properties such as high tensile strength, high elastic modulus, good impact resistance, good chemical stability, good fatigue resistance, high temperature resistance, etc., and can be widely used It is used in aerospace, aviation, weapons and other fields that have strict requirements on the performance of composite materials, such as the production of large component composite materials such as fan blades. But at the same time, the production of high-strength and high-modulus glass fiber is more difficul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C13/02C03C25/16
Inventor 姜鹄梁中全彭斌许瑞存陈剑刘锡辉
Owner 江苏九鼎特种纤维有限公司
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