CN105060723A - Fireproof glass micro-beads for flame-retardant reflective cloth and preparation method thereof - Google Patents

Abstract

The invention discloses fireproof glass micro-beads for flame-retardant reflective cloth and a preparation method thereof. The fireproof glass micro-beads are prepared from the following raw materials in parts by weight: 42-59 parts of andalusite, 33-46 parts of volcanic rock, 27-39 parts of eclogite, 36-52 parts of baddeleyite, 29-44 parts of sellaite, 5-10 parts of sodium tungstate, 6-12 parts of yttrium aluminate, 10-15 parts of white clay, 16-24 parts of bauxite, 26-37 parts of flint clay, and 12-14 parts of an additive. The prepared glass micro-beads have high the refractoriness which is as high as more than or equal to 1700 DEG C, also have the advantages of good weather resistance, high compressive strength, good corrosion resistance, good flexibility, and high refractive index, and can improve high temperature resistance and fire prevention performance while ensuring light reflective performance of the flame-retardant reflective cloth.

Description

A kind of fire-retardant reflective fabric refractory glass microballon and preparation method thereof

Technical field

The present invention relates to a kind of fire-retardant reflective fabric refractory 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 that refractoriness is low, cannot meet the service requirements of fire-retardant reflective fabric.

Summary of the invention

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

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

A kind of fire-retardant reflective fabric refractory glass microballon, is made up of the raw material of following weight part: andaluzite 42-59, volcanics 33-46, eclogite 27-39, baddeleyite 36-52, sellaite 29-44, sodium wolframate 5-10, yttrium aluminate 6-12, white clay 10-15, bauxitic clay 16-24, flint clay 26-37, additive 12-14;

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 preparation method for fire-retardant reflective fabric refractory glass microballon, comprises the following steps:

(1) get andaluzite, eclogite, sellaite mixing, pulverize, mix with bauxitic clay after crossing 100-150 mesh sieve, heating is melted, and adds sodium wolframate, insulated and stirred 10-15min when material becomes fused solution completely, leave standstill 20-30min again, blanking, obtains fused solution A;

(2) get volcanics, baddeleyite, flint clay mixing, pulverize, mix with white clay after crossing 80-120 mesh sieve, heating is melted, and adds yttrium aluminate, insulated and stirred 8-14min when material becomes fused solution completely, leave standstill 18-24min again, 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 25-35min, 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:

The glass microballon that the present invention obtains has very high refractoriness, up to more than 1700 DEG C, and also have good weatherability, ultimate compression strength is high, the advantage that good corrosion resistance, snappiness are good, specific refractory power is high, can improve its fire resistant performance while the reflective function ensureing fire-retardant reflective fabric.

Embodiment

A kind of fire-retardant reflective fabric refractory glass microballon, is made up of the raw material of following weight (kg): andaluzite 56, volcanics 42, eclogite 35, baddeleyite 48, sellaite 39, sodium wolframate 8, yttrium aluminate 11, white clay 13, bauxitic clay 22, flint clay 32, additive 13;

The preparation method of described additive is as follows: (1) gets the raw material of following weight (kg): sodium aluminum fluoride 25, yttrofluorite 22, soda ash 14, saltcake 12, saltpetre 13, coal dust 7, rice hull ash 10, bone carbon dust 9, white arsenic 8, jarosite 6, neodymium carbonate 7; (2) by sodium aluminum fluoride and yttrofluorite mixing, pulverize, cross 50 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 100 mesh sieves, then the slurries that concentration is 50% are made in the making beating that adds water, and 2500rpm speed lapping 16min, 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, 1200rpm speed lapping 10min, wet granulation, dries and get final product.

A preparation method for fire-retardant reflective fabric refractory glass microballon, comprises the following steps:

(1) get andaluzite, eclogite, sellaite mixing, pulverize, mix with bauxitic clay after crossing 100-150 mesh sieve, heating is melted, and adds sodium wolframate, insulated and stirred 10-15min when material becomes fused solution completely, leave standstill 20-30min again, blanking, obtains fused solution A;

(2) get volcanics, baddeleyite, flint clay mixing, pulverize, mix with white clay after crossing 80-120 mesh sieve, heating is melted, and adds yttrium aluminate, insulated and stirred 8-14min when material becomes fused solution completely, leave standstill 18-24min again, 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 25-35min, 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 2.01, and devitrification rate is 3.2%, and not round rate is 3.0%, and ultimate compression strength is 11.4MPa, and refractoriness is 1750 DEG C.

Claims (2)

1. a fire-retardant reflective fabric refractory glass microballon, it is characterized in that, be made up of the raw material of following weight part: andaluzite 42-59, volcanics 33-46, eclogite 27-39, baddeleyite 36-52, sellaite 29-44, sodium wolframate 5-10, yttrium aluminate 6-12, white clay 10-15, bauxitic clay 16-24, flint clay 26-37, additive 12-14;

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 preparation method for fire-retardant reflective fabric refractory glass microballon as claimed in claim 1, is characterized in that comprising the following steps:

(1) get andaluzite, eclogite, sellaite mixing, pulverize, mix with bauxitic clay after crossing 100-150 mesh sieve, heating is melted, and adds sodium wolframate, insulated and stirred 10-15min when material becomes fused solution completely, leave standstill 20-30min again, blanking, obtains fused solution A;

(2) get volcanics, baddeleyite, flint clay mixing, pulverize, mix with white clay after crossing 80-120 mesh sieve, heating is melted, and adds yttrium aluminate, insulated and stirred 8-14min when material becomes fused solution completely, leave standstill 18-24min again, 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 25-35min, 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.