CN109957055A - It is used to prepare the production method of the PVC paste resin of safety and industrial gloves dipping layer - Google Patents
It is used to prepare the production method of the PVC paste resin of safety and industrial gloves dipping layer Download PDFInfo
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- CN109957055A CN109957055A CN201910273395.5A CN201910273395A CN109957055A CN 109957055 A CN109957055 A CN 109957055A CN 201910273395 A CN201910273395 A CN 201910273395A CN 109957055 A CN109957055 A CN 109957055A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F114/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F114/02—Monomers containing chlorine
- C08F114/04—Monomers containing two carbon atoms
- C08F114/06—Vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Gloves (AREA)
Abstract
The present invention relates to a kind of production method of PVC paste resin, especially a kind of production method for the PVC paste resin for being used to prepare safety and industrial gloves dipping layer.100~120 parts of vinyl chloride, 100~120 parts of deionized water, 1.0~2.0 parts of compound emulsifying agents, 0.1~5 part of modifying agent, 0.05~0.1 part of initiator；Enter polymerization reaction kettle after the above material homogenizer and carry out polymerization reaction, reacts 800~1000 minutes, carry out vinyl chloride reclaimer operation, obtain latex；Latex is spray-dried, and 180~220 DEG C of drying tower inlet temperature of stabilizer, 80~100 DEG C of tower exit temperature, the resin for being 0.1~3 μm is then crushed by pulverizer；Obtain sold resin；Compared with prior art, by disclosed in the routine microsuspending method paste in the production technology of resin and add modifying agent, improve the rheological behavior of paste resin, make plasticized paste viscosity with higher at low shear rates.
Description
Technical field
The present invention relates to a kind of production method of PVC paste resin, especially one kind to be used to prepare safety and industrial gloves leaching
The production method of the PVC paste resin of stain layer.
Background technique
PVC paste resin is the macromolecule product using monomeric vinyl chloride as raw material, is conventional industrial chemicals, answers
With extensive.
Chloroethylene polymerization process is complex, and different raw material proportionings and preparation process production Corvic performance are poor
It is different larger.Currently, the latex of the production of PVC paste resin needs centrifugal spray drying, polymerization formula and spray drying ginseng
Number directly affects the quality and performance of product.
It is used to prepare the PVC paste resin of safety and industrial gloves dipping layer, preferable dilatancy is needed, to meet labour protection
The requirement of " dipping layer is thin and impermeable " in gloves dipping process.Currently, disclosed common polyvinyl chloride paste resin dilatancy
It is low, it is unable to satisfy the requirement of safety and industrial gloves dipping layer.
Summary of the invention
Goal of the invention of the invention is to overcome the deficiency of the prior art and provide one kind and be used to prepare safety and industrial gloves dipping
The production method of the PVC paste resin of layer.
Realize that foregoing invention purpose adopts the following technical scheme that
A kind of production method for the PVC paste resin being used to prepare safety and industrial gloves dipping layer, carries out as follows:
1) the following raw material is matched by mass parts: 100~120 parts of vinyl chloride, 100~120 parts of deionized water, and 1.0~2.0
Part compound emulsifying agent, 0.1~5 part of modifying agent, 0.05~0.1 part of initiator；After the above material homogenizer enter polymerization reaction kettle into
Row polymerization reaction is reacted 800~1000 minutes, is carried out vinyl chloride reclaimer operation, is obtained latex；
2) latex in step 1) is spray-dried, 180~220 DEG C of drying tower inlet temperature of stabilizer, tower exit temperature 80~100
DEG C, the resin for being 0.1~3 μm is then crushed by pulverizer；Obtain sold resin；Or: latex is spray-dried, is done
120~150 DEG C of dry tower inlet temperature of stabilizer, then crushes the resin for being 0.1~3 μm by pulverizer by 55~65 DEG C of tower exit temperature；Again
Resin is put into 95~105 DEG C of 40~70min of baking in baking oven, the resin for being 0.1~3 μm is crushed using pulverizer；It obtains
Sold resin.
By adopting the above technical scheme compared with prior art, the present invention prepare safety and industrial gloves dipping layer Welvic
Shape resin by disclosed in the routine microsuspending method paste in the production technology of resin and add modifying agent, improve the rheology of paste resin
Characteristic makes plasticized paste viscosity with higher at low shear rates, has the characteristics that good dilatant；Pass through the tune of technological parameter
It is whole or increase baking oven heating, crush postprocessing working procedures, further improve resin rheological behavior, meet safety and industrial gloves dipping layer it is thin
And impervious requirement.
The present invention uses following preferred embodiment:
Polymerization temperature is 50~60 DEG C in step 1).
Modifying agent is one or more of nano silicon dioxide dispersion, fumed silica and nanometer calcium carbonate.
Polymerization temperature is 51~59 DEG C in step 1).
Polymerization temperature is 53~57 DEG C in step 1).
The PVC paste resin for the safety and industrial gloves dipping layer that above-mentioned technical proposal obtains, the degree of polymerization is 800~900, B
Family name's viscosity is 7000~15000mPa(1:1).
Raw material is matched by mass parts: 100 parts of vinyl chloride, 100 parts of deionized water, and 1.0~2.0 parts of compound emulsifying agents,
0.1~5 part of modifying agent, 0.05~0.1 part of initiator.
Specific embodiment
Comparative example 1
100 parts of vinyl chloride, 100 parts of deionized waters, 1.6 portions of anionic surfactants and the compound emulsifier of higher alcohol, 0.08
The mixture of part initiator composition enters polymeric kettle after homogenizing and carries out polymerization reaction, 53 DEG C of polymerization temperature, reacts to 876 minutes,
Vinyl chloride reclaimer operation is carried out, latex is obtained.Latex is spray-dried, 160 DEG C of drying tower inlet temperature of stabilizer, tower exit temperature 53
DEG C, it is then crushed by pulverizer, obtains sold resin.
Through 1.269 μm of resin average grain diameter of detection, the degree of polymerization 884, BShi pastes viscosity 2430mpa.s, and permeability resistance is poor.
Comparative example 2
100 parts of vinyl chloride, 100 parts of deionized waters, 1.73 portions of anionic surfactants and the compound emulsifier of higher alcohol, 0.08
The mixture of part initiator composition enters polymeric kettle after homogenizing and carries out polymerization reaction, 53 DEG C of polymerization temperature, reacts to 896 minutes,
Vinyl chloride reclaimer operation is carried out, latex is obtained.Latex is spray-dried, 145 DEG C of drying tower inlet temperature of stabilizer, tower exit temperature 57
DEG C, it is then crushed by pulverizer, obtains sold resin.
Through 1.301 μm of resin average grain diameter of detection, the degree of polymerization 892, BShi pastes viscosity 2240mpa.s, and permeability resistance is poor.
Embodiment 1
100 parts of vinyl chloride, 100 parts of deionized waters, 1.6 portions of anionic surfactants and the compound emulsifier of higher alcohol, 1.5 parts
The mixture of nano silica aqueous dispersions and 0.08 part of initiator composition enters polymeric kettle after homogenizing and carries out polymerization reaction,
Polymerization temperature 53 reacts to 852 minutes, carries out vinyl chloride reclaimer operation, obtain latex.Latex is spray-dried, it is dry
It 185 DEG C of tower inlet temperature of stabilizer, 85 DEG C of tower exit temperature, is then crushed by pulverizer, obtains sold resin.
Through 1.321 μm of resin average grain diameter of detection, the degree of polymerization 895, BShi pastes viscosity 8200mpa.s, and permeability resistance is good.
Embodiment 2
100 parts of vinyl chloride, 100 parts of deionized waters, 1.5 portions of anionic surfactants and the compound emulsifier of higher alcohol, 0.075
The mixture of part initiator composition enters polymeric kettle after homogenizing and carries out polymerization reaction, 53 DEG C of polymerization temperature, reacts to 889 minutes,
Vinyl chloride reclaimer operation is carried out, after obtaining latex, 2 parts of fumed silicas are added.Latex is spray-dried, drying tower into
It 180 DEG C of tower temperature degree, 82 DEG C of tower exit temperature, is then crushed by pulverizer, obtains sold resin.
Through 1.218 μm of resin average grain diameter of detection, the degree of polymerization 886, BShi pastes viscosity 8750mpa.s, and permeability resistance is good.
Embodiment 3
100 parts of vinyl chloride, 100 parts of deionized waters, 1.5 portions of anionic surfactants and the compound emulsifier of higher alcohol, 0.075
Enter polymeric kettle after the mixture of part initiator composition, 1.3 parts of nanometer calcium carbonates, homogenizing and carries out polymerization reaction, polymerization temperature 53
DEG C, it reacts to 897 minutes, carries out vinyl chloride reclaimer operation, obtain latex.Latex is spray-dried, drying tower is into tower temperature
205 DEG C of degree, is then crushed by pulverizer, obtains sold resin by 95 DEG C of tower exit temperature.
Through 1.274 μm of resin average grain diameter of detection, the degree of polymerization 867, BShi pastes viscosity 13200mpa.s, and permeability resistance is good.
Embodiment 4
100 parts of vinyl chloride, 100 parts of deionized waters, 1.7 portions of anionic surfactants emulsifier compound with higher alcohol, 3 parts receive
The mixture of rice fumed silica, 0.076 part of initiator composition enters polymeric kettle after homogenizing and carries out polymerization reaction, polymerization temperature
Degree 56 reacts to 934 minutes, carries out vinyl chloride reclaimer operation, obtain latex.Latex is spray-dried, drying tower is into tower
It 135 DEG C of temperature, 57 DEG C of tower exit temperature, is then crushed by pulverizer；Resin is put into 100 DEG C of baking 50min in baking oven again, then
It is crushed by pulverizer, obtains sold resin.
Through 1.342 μm of resin average grain diameter of detection, the degree of polymerization 849, BShi pastes viscosity 12000mpa.s, and permeability resistance is good.
Embodiment 5
100 parts of vinyl chloride, 100 parts of deionized waters, 1.8 portions of anionic surfactants and the compound emulsifier of higher alcohol, 3.8 parts
The mixture of nanometer calcium carbonate, 0.09 part of initiator composition enters polymeric kettle after homogenizing and carries out polymerization reaction, polymerization temperature
55.5, it reacts to 961 minutes, carries out vinyl chloride reclaimer operation, obtain latex.Latex is spray-dried, drying tower is into tower
It 148 DEG C of temperature, 63 DEG C of tower exit temperature, is then crushed by pulverizer；Resin is put into 95 DEG C of baking 65min in baking oven again, then
It is crushed by pulverizer, obtains sold resin.
Through 1.308 μm of resin average grain diameter of detection, the degree of polymerization 843, BShi pastes viscosity 9500mpa.s, and permeability resistance is good.
Embodiment 6
100 parts of vinyl chloride, 100 parts of deionized waters, 1.6 portions of anionic surfactants and the compound emulsifier of higher alcohol, 3.8 parts
The mixture of nanometer calcium carbonate, 0.09 part of initiator composition enters polymeric kettle after homogenizing and carries out polymerization reaction, polymerization temperature 54,
Reaction carried out vinyl chloride reclaimer operation, and obtained latex to 961 minutes.Latex is spray-dried, drying tower inlet temperature of stabilizer
It 137 DEG C, 58 DEG C of tower exit temperature, is then crushed by pulverizer；Resin is put into 102 DEG C of baking 60min in baking oven again, using
Pulverizer crushes, and obtains sold resin.
Through 1.229 μm of resin average grain diameter of detection, the degree of polymerization 857, BShi pastes viscosity 9920mpa.s, and permeability resistance is good.
By prepared provided by above-mentioned comparative example 1 and embodiment 2-6 safety and industrial gloves dipping layer PVC paste resin into
Row partial size, average degree of polymerization, paste viscosity, permeability resistance test, as a result such as following table
| Serial number | Average grain diameter (μm) | Average degree of polymerization | It pastes viscosity (mpa.s) | Permeability resistance |
| Comparative example 1 | 1.269 | 884 | 2430 | Difference |
| Comparative example 2 | 1.301 | 892 | 2240 | Difference |
| Embodiment 1 | 1.321 | 895 | 8200 | Well |
| Embodiment 2 | 1.218 | 886 | 8750 | Well |
| Embodiment 3 | 1.274 | 867 | 13200 | Well |
| Embodiment 4 | 1.342 | 849 | 12000 | Well |
| Embodiment 5 | 1.308 | 843 | 9500 | Well |
| Embodiment 6 | 1.229 | 857 | 9920 | Well |
As can be seen from the table, the PVC paste resin that safety and industrial gloves dipping layer is prepared provided in comparative example 1-2 is viscous
Spend lower, anti-permeability performance is poor.And the PVC paste resin for preparing safety and industrial gloves dipping layer provided in embodiment 1-6
Partial size is at 1.2-1.4 μm, average degree of polymerization 843-895, and paste viscosity significantly improves, and permeability resistance is good, can satisfy labour protection hand
The requirement of set dipping layer.
Claims (6)
1. a kind of production method for the PVC paste resin for being used to prepare safety and industrial gloves dipping layer, carries out as follows:
1) the following raw material is matched by mass parts: 100~120 parts of vinyl chloride, 100~120 parts of deionized water, and 1.0~2.0
Part compound emulsifying agent, 0.1~5 part of modifying agent, 0.05~0.1 part of initiator；After the above material homogenizer enter polymerization reaction kettle into
Row polymerization reaction is reacted 800~1000 minutes, is carried out vinyl chloride reclaimer operation, is obtained latex；
2) latex in step 1) is spray-dried, 180~220 DEG C of drying tower inlet temperature of stabilizer, tower exit temperature 80~100
DEG C, the resin for being 0.1~3 μm is then crushed by pulverizer；Obtain sold resin；Or: latex is spray-dried, is done
120~150 DEG C of dry tower inlet temperature of stabilizer, then crushes the resin for being 0.1~3 μm by pulverizer by 55~65 DEG C of tower exit temperature；Again
Resin is put into 95~105 DEG C of 40~70min of baking in baking oven, the resin for being 0.1~3 μm is crushed using pulverizer；It obtains
Sold resin.
2. the production method of the PVC paste resin according to claim 1 for being used to prepare safety and industrial gloves dipping layer,
Be characterized in that: polymerization temperature is 50~60 DEG C in step 1).
3. the production method of the PVC paste resin according to claim 1 for being used to prepare safety and industrial gloves dipping layer,
Be characterized in that: modifying agent is one or more of nano silicon dioxide dispersion, fumed silica and nanometer calcium carbonate.
4. the production method of the PVC paste resin according to claim 1 or 2 for being used to prepare safety and industrial gloves dipping layer,
It is characterized by: polymerization temperature is 51~59 DEG C in step 1).
5. the production method of the PVC paste resin according to claim 1 or 2 for being used to prepare safety and industrial gloves dipping layer,
It is characterized by: polymerization temperature is 53~57 DEG C in step 1).
6. the production method of the PVC paste resin according to claim 1 for being used to prepare safety and industrial gloves dipping layer,
Be characterized in that: raw material is matched by mass parts: 100 parts of vinyl chloride, 100 parts of deionized water, and 1.0~2.0 parts of composite emulsifyings
Agent, 0.1~5 part of modifying agent, 0.05~0.1 part of initiator.
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| CN201910273395.5A CN109957055B (en) | 2019-04-05 | 2019-04-05 | Production method of polyvinyl chloride paste resin for preparing impregnation layer of labor protection gloves |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110437355A (en) * | 2019-07-20 | 2019-11-12 | 唐山三友氯碱有限责任公司 | The production method of high insulated type PVC paste resin |
| CN110559675A (en) * | 2019-09-20 | 2019-12-13 | 新疆天业（集团）有限公司 | Paste resin drying production control method |
| CN110954433A (en) * | 2019-12-19 | 2020-04-03 | 沈阳化工股份有限公司 | Method for testing oil absorption rate of PVC paste resin |
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| CN110437355A (en) * | 2019-07-20 | 2019-11-12 | 唐山三友氯碱有限责任公司 | The production method of high insulated type PVC paste resin |
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| CN110954433B (en) * | 2019-12-19 | 2022-10-14 | 沈阳化工股份有限公司 | Method for testing oil absorption rate of PVC paste resin |
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