CN1054831C - Giobertite inorganic glass fiber reinforced plastics composite material and preparation method thereof - Google Patents

Abstract

The present invention relates to a composite material of giobertite inorganic glass fiber reinforced plastics, and a preparation method thereof. The preparation method is characterized in that magnesium chloride, magnesium oxide, talcum powder, white cement, trisodium phosphate, oxalic acid, calcium chloride, sodium tetraborate decahydrate, sodium fluosilicate, sodium pyrophosphate, ammonium chloride, urea formaldehyde resin, an AF water reducing agent with high efficiency, ferrous sulphate, sodium silicate and glass fiber cloth are used as raw materials and are manufactured into various products through a pressing and forming machine. The material has the advantages and effects of acid resistance, alkali resistance, high temperature resistance, refrigeration resistance, long service life, no toxin, light weight, fire resistance, sound insulation, simple preparation method, easy acquirement of raw materials, low cost and wide application; all indexes can reach the national standard.

Description

Giobertite inorganic glass fiber reinforced plastics composite material and preparation method thereof

The present invention relates to a kind of giobertite inorganic glass fiber reinforced plastics composite material and preparation method thereof, be applicable to and make different shape, the pipeline of specification, tube stub, finishing material, artwork, fire-proof doors and windows.

Carry the pipeline of liquid at present, the tube stub great majority adopt plastics, its shortcoming be break easily, easily aging, noise is big, it is big to meet the high temperature coefficient of expansion, also useful cast-iron pipe and tube stub, its shortcoming is that weight is big, sand holes are many, cracky, get rusty, easily pollution, rough, and make the matrix material of finishing material at present, the cost height that has, function singleness, the shortcoming that is difficult for processing different shape.

Purpose of the present invention is the shortcoming and deficiency in order to overcome above-mentioned prior art just, and provide a kind of giobertite inorganic glass fiber reinforced plastics composite material that serves many purposes, can be made into the pipeline of all size shape, tube stub, finishing material, artwork, fire-proof doors and windows, thus be that country saves a large amount of timber, metallic substance and plastic material.

The objective of the invention is to realize by following technical proposal:

Giobertite inorganic glass fiber reinforced plastics composite material is characterized in that it forms by following raw material and by following proportioning (by weight):

Magnesium chloride 15-25 part, magnesium oxide 35-45 part, talcum powder 10-15 part, white cement 4-6 part, tertiary sodium phosphate 0.05-0.10 part, oxalic acid 0.02-0.04 part, calcium chloride 0.4-0.6 part, sodium tetraborate decahydrate 0.15-0.30 part, Sodium Silicofluoride 0.02-0.04 part, trisodium phosphate 0.02-0.04 part, ammonium chloride 0.1-0.2 part, urea-formaldehyde resin 1.0-3.0 part, AF high efficiency water reducing agent 0.4-0.6 part, ferrous sulfate 0.4-0.8 part, water glass 0.3-0.4 part, glasscloth 4-6 part, water 35-45 part.

The best proportioning of above-mentioned raw materials:

20 parts in magnesium chloride, 40 parts in magnesium oxide, 12.5 parts of talcum powder, 5 parts of white cements, 0.08 part of tertiary sodium phosphate, 0.024 part of oxalic acid, 0.5 part in calcium chloride, 0.2 part of sodium tetraborate decahydrate, 0.03 part of Sodium Silicofluoride, 0.03 part of trisodium phosphate, 0.1 part of ammonium chloride, 2 parts of urea-formaldehyde resins, 0.5 part of AF high efficiency water reducing agent, 0.6 part in ferrous sulfate, 0.3 part of water glass, 5.3 parts of glasscloths, 43 parts in water.

A) with 15-25 part magnesium chloride, 35-40 part water is mixed with solution, and its degree Beaume is at 28-29;

B) with 0.05-0.1 part tertiary sodium phosphate, 0.02-0.04 part oxalic acid, 0.4-0.6 part calcium chloride; 0.15-0.30 part sodium tetraborate decahydrate, 0.02-0.04 part Sodium Silicofluoride, 0.02-0.04 part trisodium phosphate, 0.1-0.2 part ammonium chloride, 1.0-3.0 part urea-formaldehyde resin, 0.4-0.6AF high efficiency water reducing agent, 0.4-0.8 part ferrous sulfate, 0.3-0.4 part water glass and 3-5 part water are mixed with solution;

C) again with 35-45 part magnesium oxide, 10-15 part talcum powder stirred 30-40 minute in the solution adding stirrer that two of 4-6 part white cement and (a) and (b) make, and made the not excessive slurry of pasty state;

D) at last (c) slurry and glasscloth layering are alternately added in the mould of required goods and be pressed 30-40 minute, placed demoulding again 2-3 hour.

Wherein content of magnesium chloride is more than 45%, and content of magnesia is more than 85%, and granularity is more than-125 orders, and talcum powder is more than-300 orders, and white cement is No. 525 labels.

The raw material magnesium chloride that the present invention adopts, magnesium oxide is consolidating material, require content of magnesium chloride more than 45%, content of magnesia is more than 85%, granularity is more than-125 orders, urea-formaldehyde resin, water glass is an adhesive material, ferrous sulfate, tertiary sodium phosphate, Sodium Silicofluoride, the AF high efficiency water reducing agent, sodium tetraborate decahydrate, trisodium phosphate, oxalic acid, ammonium chloride, calcium chloride is water-proof material, ferrous sulfate can shorten time of coagulation, and accelerate hardening improves water repelling property, require ferrous sulfate, sodium tetraborate decahydrate content is more than 96%, and ammonium chloride content is 99.5%, oxalic acid, calcium chloride content is more than 90%, trisodium phosphate content is more than 52%, talcum powder, white cement is a packing material, and it is more than-300 orders that talcum powder requires granularity, and white cement is No. 525 trades mark, talcum powder, white cement, water glass, Sodium Silicofluoride, can improve coefficient of softening and ultimate compression strength in matrix material, and also have certain hydraulicity, glasscloth is as framework material, alternately add in the mould with the slurry layering, generally add 4 layers.

Matrix material of the present invention adds a spot of pigment, can be made into the goods of multiple color.

Owing to take technique scheme, make the technology of the present invention compared with the prior art have following advantage and effect:

A) the various products made from matrix material of the present invention, its good product quality, process is tested meeting of every index even is better than the national building materials JC/T449-91 of portion about the standard of material of construction with the magnesia chemical constitution, the national Specification folding strength, premium grads can not be lower than 7MPa, and acceptable end product can not be lower than 6MPa, salable product can not be lower than 5MPa, national Specification ultimate compression strength, premium grads are 30MPa, acceptable end product 25MPa, salable product are 25MPa, matrix material folding strength average out to 43.37MPa of the present invention, ultimate compression strength is up to 35.60MPa, minimum 21.71MPa, average 25.25MPa, reach and surpass ministerial standard, bending strength is respectively 33.96MPa, 27.21MPa, outer pressure resistance average out to 25.25MPa, anti-folding coefficient of softening average out to 56%, folding strength average out to 23.64MPa behind the full water, folding strength average out to 11.64MPa after 105 ℃ of oven dry, water-intake rate is 5-10%, impervious examination is considered: specimen thickness is 1.5mm, and the dynamic pressure test is 0.2MPa, and 30 minutes waterproof.

B) appearance and modeling is attractive in appearance, and no burr is inside and outside smooth;

C) acid and alkali-resistance, corrosion-resistant, high temperature resistant, anti-freezing, be not afraid of Exposure to Sunlight, do not wear out, do not chap, nontoxic, do not pollute, non-corrosive, do not break long service life;

D) can sound-absorbing, sound insulation, fire-retardant fireproof, can saw, bore, follow closely, cut, cut;

E) preparation method is simple, and raw material is easy to get, cost is low, in light weight;

F) purposes wide, can be made into different shapes, the various products of the different colours of different size.

Embodiment 1:

Getting magnesium chloride 2kg adds water 3.8kg and is mixed with solution, get tertiary sodium phosphate 8g again, oxalic acid 2.4g, calcium chloride 50g, sodium tetraborate decahydrate 20g, Sodium Silicofluoride 3g, trisodium phosphate 3g, ammonium chloride 10g, urea-formaldehyde resin 200g, AF high efficiency water reducing agent 50g, ferrous sulfate 60g, water glass 30g adds water 0.5kg and makes solution, get 4kg magnesium oxide again, talcum powder 1.25kg, white cement 0.5kg and above-mentioned two kinds of solution stirred in stirrer 35 minutes, make pasty slurry, glasscloth 530g divides four to pack into the slurry alternatively layered and to be pressed 35 minutes in the Φ 100 tubular moulds, placed again 2.5 hours, demoulding, promptly make thickness 8mm, the long 2000mm pipe of Φ 100mm, its weight is 8.5kg.

Embodiment 2:

Getting magnesium chloride 1.5kg adds water 3.0kg and is mixed with solution, get tertiary sodium phosphate 5g again, oxalic acid 4g, calcium chloride 60g, sodium tetraborate decahydrate 15g, Sodium Silicofluoride 4g, trisodium phosphate 2g, ammonium chloride 15g, urea-formaldehyde resin 100g, AF high efficiency water reducing agent 40g, ferrous sulfate 40g, sodium silicate 40g, add water 0.3kg and make solution, get magnesium oxide 3.5kg again, talcum powder 1kg, white cement 0.4kg and above-mentioned two kinds of solution stirred in stirrer 30 minutes, make pasty slurry, glasscloth 400g divide four with slurry alternatively layered load plate shape mould in be pressed 30 minutes, placed again 3 hours, demoulding, promptly making thickness is 5mm, length * wide=1200 * 2400mm2 piece profile material.

Embodiment 3:

Getting magnesium chloride 2.5kg adds water 4.0kg and is mixed with solution, get tertiary sodium phosphate 10g again, oxalic acid 3g, calcium chloride 40g, sodium tetraborate decahydrate 30g, Sodium Silicofluoride 2g, trisodium phosphate 4g, ammonium chloride 20g, urea-formaldehyde resin 300g, AF high efficiency water reducing agent 60g, ferrous sulfate 80g, sodium silicate 35g, add water 0.5kg and make solution, get magnesium oxide 3.8kg again, talcum powder 1.5kg, white cement 0.6kg and above-mentioned two kinds of solution stirred in stirrer 40 minutes, make pasty slurry, glasscloth 600g divides four to pack into the slurry alternatively layered and to be pressed 40 minutes in the decorative sheet mould, placed again 2.0 hours, demoulding is promptly made dalle.

Claims (4)

1, giobertite inorganic glass fiber reinforced plastics composite material is characterized in that it forms by following raw material and by following proportioning (by weight):

Magnesium chloride 15-25 part, magnesium oxide 35-45 part, talcum powder 10-15 part, white cement 4-6 part, tertiary sodium phosphate 0.05-0.10 part, oxalic acid 0.02-0.04 part, calcium chloride 0.4-0.6 part, sodium tetraborate decahydrate 0.15-0.30 part, Sodium Silicofluoride 0.02-0.04 part, trisodium phosphate 0.02-0.04 part, ammonium chloride 0.1-0.2 part, urea-formaldehyde resin 1.0-3.0 part, AF high efficiency water reducing agent 0.4-0.6 part, ferrous sulfate 0.4-0.8 part, water glass 0.3-0.4 part, glasscloth 4-6 part, water 35-45 part.

2, matrix material according to claim 1 is characterized in that it forms by following raw material and by following proportioning:

20 parts in magnesium chloride, 40 parts in magnesium oxide, 12.5 parts of talcum powder, 5 parts of white cements, 0.08 part of tertiary sodium phosphate, 0.024 part of oxalic acid, 0.5 part in calcium chloride, 0.2 part of sodium tetraborate decahydrate, 0.03 part of Sodium Silicofluoride, 0.03 part of trisodium phosphate, 0.1 part of ammonium chloride, 2 parts of urea-formaldehyde resins, 0.5 part of AF high efficiency water reducing agent, 0.6 part in ferrous sulfate, 0.3 part of water glass, 5.3 parts of glasscloths, 43 parts in water.

3, matrix material according to claim 1 is characterized in that content of magnesium chloride is more than 45%, and content of magnesia is more than 85%, and granularity is more than-125 orders, and talcum powder is more than-300 orders, and white cement is No. 525 labels.

4, the preparation method of giobertite inorganic glass fiber reinforced plastics composite material is characterized in that it is made up of the following step:

A) with 15-25 part magnesium chloride, 35-40 part water is mixed with solution, and its degree Beaume is at 28-29;

B) with 0.05-0.1 part tertiary sodium phosphate, 0.02-0.04 part oxalic acid, 0.4-0.6 part calcium chloride; 0.15-0.30 part sodium tetraborate decahydrate, 0.02-0.04 part Sodium Silicofluoride, 0.02-0.04 part trisodium phosphate 0.1-0.2 part ammonium chloride, 1.0-3.0 part urea-formaldehyde resin, 0.4-0.6AF high efficiency water reducing agent, 0.4-0.8 part ferrous sulfate, 0.3-0.4 part water glass and 3-5 part water are mixed with solution;

C) again with 35-45 part magnesium oxide, 10-15 part talcum powder stirred 30-40 minute in the solution adding stirrer that two of 4-6 part white cement and (a) and (b) make, and made the not excessive slurry of pasty state;

D) at last (c) slurry and glasscloth layering are alternately added in the mould of required goods and be pressed 30-40 minute, placed demoulding again 2-3 hour.