CN104403031A - Paste resin glove material with middle viscosity - Google Patents

Abstract

The invention discloses a paste resin glove material with middle viscosity. The paste resin glove material is prepared from the following raw materials in parts by weight: 100-300 parts of a chloroethylene monomer, 300-500 parts of deionized water, 10-12 parts of persulfate, 1-3 parts of sulfite, 1-3 parts of saturated alcohol sulfate and 3-6 parts of an pH adjusting agent, wherein the persulfate is potassium sulfate; the sulfite is sodium hydrogen sulfite; the saturated alcohol sulfate is dodecanol sodium sulfate; the pH adjusting agent is ammonium bicarbonate. The paste resin glove material is prepared by adding the monomer and the additives into a polymerization kettle according to the ratio, vacuuming, deoxidizing, heating to be 56 DEG C in a stirring state, performing polymerization reaction at the temperature, dropping the pressure from 0.83MPa, and completing the reaction when the pressure is reduced to be 0.4MPa. The paste resin glove material has the characteristics that the viscosity is moderate, defoaming can be performed easily, and leather working gloves manufactured from the paste resin glove material are good in tension strength and high in gloss.

Description

A kind of paste resin glove material of middle viscosity

Technical field

The invention belongs to macromolecule chemical industry technical field, a kind of middle viscosity adopting emulsion method to prepare sticks with paste resin specifically.

Background technology

China is the production base of world's safety and industrial gloves, the sector is larger to the consumption sticking with paste resin, and only have the P737 of Sweden to be used alone at present, but price is higher, domestic rouge and powder can Some substitute P737, but there is the lacklustre phenomenon of gloves, therefore most producer adopts the paste resin of more than 3 kinds to carry out used in combinationly reaching requirement.Annual the sector should more than 100,000 tons to the consumption of resin, and the imitative rubber safety and industrial gloves consumption of non-liner is more than 20,000 tons, and to require to stick with paste resin viscosity high and be easy to deaeration for imitative rubber safety and industrial gloves at present, and goods are glossy.The sector has new processing producer to go into operation every year, and the demand of imitative rubber safety and industrial gloves is in the trend of rising.

Summary of the invention

Object of the present invention provides a kind of new emulsion method polymerization process, and the Particle size requirements of obtained paste resin, at 0.10 μm ~ 1.50 μm, prepares the paste resin of medium viscosity on this basis.

The object of the present invention is achieved like this: its technical scheme comprises following chemical composition, composition and formula thereof:

A kind of paste resin glove material of middle viscosity, it is characterized in that, be prepared from by the raw material of following weight part: vinyl chloride monomer 100 ~ 300 parts, deionized water 300 ~ 500 parts, persulphate 10 ~ 12 parts, 1 ~ 3 part, sulphite, 1 ~ 3 part, the vitriol of saturated alcohol, ph conditioning agent 3 ~ 6 parts; Described persulphate is Potassium Persulphate, described sulphite is sodium bisulfite, the vitriol of described saturated alcohol is sodium lauryl sulfate, described ph conditioning agent is bicarbonate of ammonia; By formula rate, monomer and auxiliary agent are added polymeric kettle, through vacuumizing, deoxidation, under whipped state, being warming up to 56 DEG C, carrying out polyreaction at this temperature, 0.83MPa pressure starts to decline, and when pressure drops to 0.4MPa, reaction terminates, and detailed process is as follows:

(1) in proportion deionized water is added in polymeric kettle, under the state stirred, add the vitriol of saturated alcohol, sulphite, ph conditioning agent;

(2) then polymeric kettle vacuumize, deoxidation, add vinyl chloride monomer by formula, by polymerization kettle temperature raising to 50 ~ 63 DEG C, add the vitriol of saturated alcohol in the course of the polymerization process continuously;

(3) joined continuously in polymeric kettle by persulfate solution good for water dissolution, keep whipped state, carry out polyreaction, control reaction at 50.5 DEG C, when 0.83MPa pressure starts to decline, when pressure drops to 0.4MPa, reaction terminates;

(4), after reaction terminates, first unreacted vinyl chloride monomer is recycled to gas holder, latex is delivered to latex storage tank;

(5) vinyl chloride monomer in air-extraction removal latex is adopted: the latex extracted out from latex storage tank by transferpump, after steam direct heating, enter stripping tower, in latex, residual monomer and a small amount of moisture content are by vacuumizing removing in tower, be recycled to gas holder by the vinylchlorid that stripping goes out, with transferpump, the latex after gas delivered to drying section by strainer;

(6) dry

Stripped latex adopts spray-drying process to carry out drying treatment, requires water content≤0.4%;

(7) particle diameter of dried material is at 0.10 ~ 1.50 μm;

(8) then weigh, packaging.

Feature of the present invention is:

1. the safety and industrial gloves tensile strength adopting the safety and industrial gloves of this kind of medium viscosity paste production of resins more common is good.

2. the safety and industrial gloves glossiness using the safety and industrial gloves of this kind of medium viscosity paste production of resins more common is high.

3. be modest viscosity in the process using this kind of medium viscosity to stick with paste production of resins safety and industrial gloves compared with the advantage of other technique and be easy to deaeration.

Embodiment

(1) vinyl chloride monomer, the deionized water of 12Kg, the Potassium Persulphate of 10g, the sodium bisulfite of 10g, the sodium lauryl sulfate of 160g, the bicarbonate of ammonia of 5g of 12Kg is added by above-mentioned formula.

(2) then polymeric kettle vacuumize, deoxidation, add vinyl chloride monomer by formula, by polymerization kettle temperature raising to 56 DEG C, add sodium lauryl sulfate continuously in the course of the polymerization process;

(3) joined continuously in polymeric kettle by potassium persulfate solution good for water dissolution, keep whipped state, carry out polyreaction, control reaction at 50.5 DEG C, when 0.80MPa pressure starts to decline, when pressure drops to 0.40MPa, reaction terminates;

(4), after reaction terminates, first unreacted vinyl chloride monomer is recycled to gas holder, latex is delivered to latex storage tank;

(5) vinyl chloride monomer in vaporizing extract process removal latex is adopted: the latex extracted out from latex storage tank by transferpump, after steam direct heating, enter stripping tower, in latex, residual monomer and a small amount of moisture content are by vacuumizing removing in tower, be recycled to gas holder by the vinylchlorid that stripping goes out, with transferpump, the latex after gas delivered to drying section by strainer;

(6) dry

Stripped latex adopts spray-drying process to carry out drying treatment, requires water content≤0.4%;

(7) particle diameter of dried material is at 0.10 ~ 1.50 μm;

(8) then weigh, packaging.

(9) material test data is mean polymerisation degree: 1250; Median size: 0.95 μm; Stick with paste resin viscosity: 9000cp.

Claims (1)

1. the paste resin glove material of viscosity in a kind, it is characterized in that, be prepared from by the raw material of following weight part: vinyl chloride monomer 100 ~ 300 parts, deionized water 300 ~ 500 parts, persulphate 10 ~ 12 parts, 1 ~ 3 part, sulphite, 1 ~ 3 part, the vitriol of saturated alcohol, ph conditioning agent 3 ~ 6 parts; Described persulphate is Potassium Persulphate, described sulphite is sodium bisulfite, the vitriol of described saturated alcohol is sodium lauryl sulfate, described ph conditioning agent is bicarbonate of ammonia; By formula rate, monomer and auxiliary agent are added polymeric kettle, through vacuumizing, deoxidation, under whipped state, being warming up to 56 DEG C, carrying out polyreaction at this temperature, 0.83MPa pressure starts to decline, and when pressure drops to 0.4MPa, reaction terminates, and detailed process is as follows:

(1) in proportion deionized water is added in polymeric kettle, under the state stirred, add the vitriol of saturated alcohol, sulphite, ph conditioning agent;

(2) then polymeric kettle vacuumize, deoxidation, add vinyl chloride monomer by formula, by polymerization kettle temperature raising to 50 ~ 63 DEG C, add the vitriol of saturated alcohol in the course of the polymerization process continuously;

(3) joined continuously in polymeric kettle by persulfate solution good for water dissolution, keep whipped state, carry out polyreaction, control reaction at 50.5 DEG C, when 0.83MPa pressure starts to decline, when pressure drops to 0.4MPa, reaction terminates;

(4), after reaction terminates, first unreacted vinyl chloride monomer is recycled to gas holder, latex is delivered to latex storage tank;

(5) vinyl chloride monomer in air-extraction removal latex is adopted: the latex extracted out from latex storage tank by transferpump, after steam direct heating, enter stripping tower, in latex, residual monomer and a small amount of moisture content are by vacuumizing removing in tower, be recycled to gas holder by the vinylchlorid that stripping goes out, with transferpump, the latex after gas delivered to drying section by strainer;

(6) dry;

Stripped latex adopts spray-drying process to carry out drying treatment, requires water content≤0.4%;

(7) particle diameter of dried material is at 0.10 ~ 1.50 μm;

(8) then weigh, packaging.