CN105130200A - Weather-resistant glass microsphere used for reflective fabric and preparation method thereof - Google Patents

Abstract

The invention discloses a weather-resistant glass microsphere used for a reflective fabric and a preparation method thereof. The microsphere is prepared from the following raw materials by weight: 37 to 53 parts of wollastonite, 25 to 45 parts of quartz powder, 16 to 29 parts of chromite fines, 24 to 37 parts of scolecite, 16 to 25 parts of basalt, 20 to 35 parts of apatite, 14 to 22 parts of high-boron calcium borate, 15 to 25 parts of barium hydroxide, 9 to 18 parts of magnesium metaphosphate and 11 to 17 parts of an additive. According to the invention, the disadvantage of poor weather resistance of a conventional glass microsphere is overcome; the glass microsphere provided by the invention is endowed with excellent weather resistance and ageing resistance; meanwhile, the glass microsphere in the invention has high refractive index and compressive strength, so product performances are improved, and product service life is prolonged.

Description

A kind of reflective fabric weather-proof glass microballon and preparation method thereof

Technical field

The present invention relates to a kind of reflective fabric weather-proof glass microballon and preparation method thereof, belong to glass microballon and manufacture field.

Background technology

Reflective fabric is that the glass microballon coating of high refractive index or the technique of overlay film are made in cloth primary surface, make common cloth energy reflection ray under the irradiation of light, be mainly used in the product relevant with traffic safety, be widely used in reflective clothes, all kinds of business wear, working suit, fashionable dress, shoes and hats, gloves, knapsack, Personal protective equipment, outdoor goods etc., also can be made into all kinds of reflective article, ornaments.Wherein glass microballon is the important source material making reflective fabric, and the performance quality of glass microballon directly affects the result of use of reflective fabric.The glass microballon product quality and performances that manufacturer of current China produces are unstable, also there is the shortcoming of weathering resistance difference, had a strong impact on the result of use of reflective fabric, cannot meet market demands.

Summary of the invention

The object of the invention is to for the deficiencies in the prior art, a kind of reflective fabric weather-proof glass microballon and preparation method thereof is provided.

For achieving the above object, the technical solution used in the present invention is as follows:

The weather-proof glass microballon of a kind of reflective fabric, is made up of the raw material of following weight part: wollastonite 37-53, silica powder 25-45, chromite powder 16-29, scolecite 24-37, basalt 16-25, phosphatic rock 20-35, high boron lime borate 14-22, hydrated barta 15-25, magnesium metaphosphorate 9-18, additive 11-17;

The preparation method of described additive is as follows: (1) gets the raw material of following weight part: sodium aluminum fluoride 22-34, yttrofluorite 16-28, soda ash 12-18, saltcake 10-15, saltpetre 11-16, coal dust 5-10, rice hull ash 8-14, bone carbon dust 6-12, white arsenic 5-10, jarosite 4-7, neodymium carbonate 6-9; (2) by sodium aluminum fluoride and yttrofluorite mixing, pulverize, cross 50-100 mesh sieve, stand-by; (3) soda ash, saltcake and saltpetre are mixed, be heated to melt completely, then the powder that step (1) is obtained is added, insulated and stirred 5-10min, shrend obtains broken particle, pulverizes, cross 100-150 mesh sieve, then the slurries that concentration is 45-55% are made in the making beating that adds water, and 2000-3000rpm speed lapping 15-20min, is spray dried to powder; (4) mixed with coal dust, rice hull ash, bone carbon dust, white arsenic, jarosite, neodymium carbonate by the powder that step (3) spraying dry obtains, 1000-1500rpm speed lapping 10-15min, wet granulation, dries and get final product.

A reflective fabric preparation method for weather-proof glass microballon, comprises the following steps:

(1) get wollastonite, basalt mixing, pulverize, mix with chromite powder after crossing 50-100 mesh sieve, heating is melted, and adds high boron lime borate and magnesium metaphosphorate, insulated and stirred 6-9min when material becomes fused solution completely, leave standstill 18-24min again, blanking, obtains fused solution A;

(2) get scolecite, apatites mixed, pulverize, mix after crossing 80-120 mesh sieve with silica powder, heating is melted, and adds hydrated barta, insulated and stirred 5-8min when material becomes fused solution completely, then leaves standstill 14-18min, and blanking, obtains fused solution B;

(3) mixed by fused solution A obtained above and fused solution B, then add additive, heat while stirring, to be added dose melts completely, insulation leaves standstill 20-25min, then fused solution is put into clear water and carries out shrend, obtain beaded glass material, dries, fragmentation, screening, namely balling-up obtains glass microballon product.

Beneficial effect of the present invention:

Instant invention overcomes the shortcoming of existing glass microballon weathering resistance difference, the while of giving weathering resistance and the aging-resistant of glass microballon excellence, also make glass microballon have higher specific refractory power and ultimate compression strength, not only increase the performance of product, also extend the work-ing life of product.

Embodiment

The weather-proof glass microballon of a kind of reflective fabric, is made up of the raw material of following weight (kg): wollastonite 46, silica powder 35, chromite powder 23, scolecite 32, basalt 22, phosphatic rock 27, high boron lime borate 18, hydrated barta 20, magnesium metaphosphorate 14, additive 13;

The preparation method of described additive is as follows: (1) gets the raw material of following weight (kg): sodium aluminum fluoride 27, yttrofluorite 23, soda ash 15, saltcake 12, saltpetre 14, coal dust 7, rice hull ash 12, bone carbon dust 8, white arsenic 7, jarosite 5, neodymium carbonate 7; (2) by sodium aluminum fluoride and yttrofluorite mixing, pulverize, cross 80 mesh sieves, stand-by; (3) soda ash, saltcake and saltpetre are mixed, be heated to melt completely, then the powder that step (1) is obtained is added, insulated and stirred 7min, shrend obtains broken particle, pulverizes, cross 120 mesh sieves, then the slurries that concentration is 50% are made in the making beating that adds water, and 2000rpm speed lapping 20min, is spray dried to powder; (4) mixed with coal dust, rice hull ash, bone carbon dust, white arsenic, jarosite, neodymium carbonate by the powder that step (3) spraying dry obtains, 1500rpm speed lapping 10min, wet granulation, dries and get final product.

A reflective fabric preparation method for weather-proof glass microballon, comprises the following steps:

(1) get wollastonite, basalt mixing, pulverize, mix with chromite powder after crossing 50-100 mesh sieve, heating is melted, and adds high boron lime borate and magnesium metaphosphorate, insulated and stirred 6-9min when material becomes fused solution completely, leave standstill 18-24min again, blanking, obtains fused solution A;

(2) get scolecite, apatites mixed, pulverize, mix after crossing 80-120 mesh sieve with silica powder, heating is melted, and adds hydrated barta, insulated and stirred 5-8min when material becomes fused solution completely, then leaves standstill 14-18min, and blanking, obtains fused solution B;

(3) mixed by fused solution A obtained above and fused solution B, then add additive, heat while stirring, to be added dose melts completely, insulation leaves standstill 20-25min, then fused solution is put into clear water and carries out shrend, obtain beaded glass material, dries, fragmentation, screening, namely balling-up obtains glass microballon product.

The Refractive Index of Glass Microspheres adopting above-described embodiment to prepare is 2.02, and devitrification rate is 3.3%, and not round rate 2.5%, ultimate compression strength is 11.5MPa.

Claims (2)

1. the weather-proof glass microballon of reflective fabric, it is characterized in that, be made up of the raw material of following weight part: wollastonite 37-53, silica powder 25-45, chromite powder 16-29, scolecite 24-37, basalt 16-25, phosphatic rock 20-35, high boron lime borate 14-22, hydrated barta 15-25, magnesium metaphosphorate 9-18, additive 11-17;

The preparation method of described additive is as follows: (1) gets the raw material of following weight part: sodium aluminum fluoride 22-34, yttrofluorite 16-28, soda ash 12-18, saltcake 10-15, saltpetre 11-16, coal dust 5-10, rice hull ash 8-14, bone carbon dust 6-12, white arsenic 5-10, jarosite 4-7, neodymium carbonate 6-9; (2) by sodium aluminum fluoride and yttrofluorite mixing, pulverize, cross 50-100 mesh sieve, stand-by; (3) soda ash, saltcake and saltpetre are mixed, be heated to melt completely, then the powder that step (1) is obtained is added, insulated and stirred 5-10min, shrend obtains broken particle, pulverizes, cross 100-150 mesh sieve, then the slurries that concentration is 45-55% are made in the making beating that adds water, and 2000-3000rpm speed lapping 15-20min, is spray dried to powder; (4) mixed with coal dust, rice hull ash, bone carbon dust, white arsenic, jarosite, neodymium carbonate by the powder that step (3) spraying dry obtains, 1000-1500rpm speed lapping 10-15min, wet granulation, dries and get final product.

2. a reflective fabric as claimed in claim 1 preparation method for weather-proof glass microballon, is characterized in that comprising the following steps:

(1) get wollastonite, basalt mixing, pulverize, mix with chromite powder after crossing 50-100 mesh sieve, heating is melted, and adds high boron lime borate and magnesium metaphosphorate, insulated and stirred 6-9min when material becomes fused solution completely, leave standstill 18-24min again, blanking, obtains fused solution A;

(2) get scolecite, apatites mixed, pulverize, mix after crossing 80-120 mesh sieve with silica powder, heating is melted, and adds hydrated barta, insulated and stirred 5-8min when material becomes fused solution completely, then leaves standstill 14-18min, and blanking, obtains fused solution B;

(3) mixed by fused solution A obtained above and fused solution B, then add additive, heat while stirring, to be added dose melts completely, insulation leaves standstill 20-25min, then fused solution is put into clear water and carries out shrend, obtain beaded glass material, dries, fragmentation, screening, namely balling-up obtains glass microballon product.