CN102432719A - Production method of low-density polyvinyl chloride blending resin - Google Patents
Production method of low-density polyvinyl chloride blending resin Download PDFInfo
- Publication number
- CN102432719A CN102432719A CN2011103827563A CN201110382756A CN102432719A CN 102432719 A CN102432719 A CN 102432719A CN 2011103827563 A CN2011103827563 A CN 2011103827563A CN 201110382756 A CN201110382756 A CN 201110382756A CN 102432719 A CN102432719 A CN 102432719A
- Authority
- CN
- China
- Prior art keywords
- low
- polymerization
- resin
- dispersion agent
- polyvinyl chloride
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Polymerisation Methods In General (AREA)
Abstract
The invention relates to a production method of low-density polyvinyl chloride blending resin, comprising the following steps: adding desalted water, polyvinyl chloride, emulsifier, emulsion-type initiator, pH value regulator and low-viscosity or low-polymerization dispersing agent into a closed polymerizing pot, undergoing polymerization reaction at the rotation speed of 30-200rpm of the polymerizing pot and the polymerization temperature of 50-60 DEG C, and adding termination agent to end the polymerization reaction when the polymerization pressure is reduced to 0.10 MPa to obtain the low-density polyvinyl chloride blending resin. The production method has the characteristics that: a simple polymerization process is adopted, the proper low-viscosity or low-polymerization dispersing agent and emulsion-type initiator are used, fewer varieties of assistants are added, various assistants are prevented from influencing the strength and other performances of products, the resin has the characteristics of uniform and regular particles, low surface density, high void ratio, small particle size, uniformity and high toughness of the products and is used by blending paste resin, the void ratio of the products can be increased, the processing performance can be improved, and the cost can be reduced.
Description
Technical field
The present invention relates to a kind of low density polyvinyl-chloride blending resin method, specifically relate to a kind of pvc resin paste grade and blending resin compound by a certain percentage after, can increase the porosity of goods, improve processing characteristics and reduce cost.
Background technology
Pvc material is one of China and ancestor's plastics the biggest in the world, and wherein the plastics of pvc resin paste grade are widely used in every field such as industry, agricultural, traffic and national defence.Owing to after the median size of sticking with paste resin at 5～10 μ m, is mixed low-density blending resin, can increase the porosity of goods, improve processing characteristics and reduce cost.
Summary of the invention
The technical issues that need to address of the present invention mainly are to disclose a kind of working method of low density polyvinyl-chloride blending resin to satisfy the requirement of paste processing.
Method of the present invention may further comprise the steps:
Water, vinylchlorid, emulsifying agent, pH value regulator, dispersion agent and initiator will desalt; Add in the airtight polymeric kettle; At polymeric kettle mixing speed 30～200rpm, polymerization temperature is to carry out polyreaction under 50～60 ℃, when treating that 0.10Mpa falls in polymerization pressure, adds terminator; Finish polyreaction, obtain the low density polyvinyl-chloride blending resin; Wherein each the constituent mass portion rate in the prescription is the basis with 100 parts of vinyl chloride monomers, and ratio is following:
Water desalts: 100～200 parts
Dispersion agent: 0.0010～0.040 part
Emulsifying agent: 1.0 * 10
-6～1.0 * 10
-5Part
Initiator: 1.2 * 10
-4～6.0 * 10
-5Part
PH value regulator: 0.0002～0.002 part
Terminator: 0.00025～0.0015 part
Skimmer: 0.00010～0.0035 part.
More than said LV or low polymerization degree dispersion agent when being gelatin, the viscosity 2% below 12 ° of E less than the ether of cellulose of 50mpa.s or the polymerization degree smaller or equal to 2000 Z 150PH; Be gelatin, methylcellulose gum, CMC 99.5, TKK 021, benzyl cellulose, Natvosol, hydroxypropyl methyl fiber and Z 150PH etc., can use separately or compound use.
Said emulsifying agent is SP-40, SP-60, RQ-121, RQ-121BH, dioctyl sodium sulfosuccinate, X 2073 and dodecyl sodium alkyl sulfate.
Said initiator is the oxygen compounds, i.e. new certain herbaceous plants with big flowers acid isopropyl benzene fat of peroxo-or the two butyl esters of peroxy dicarbonate, and wherein initiator solvent emulsion-type can use separately or compound use.
Said pH value regulator sodium hydroxide, sodium hydrogencarbonate, sodium hydrogencarbonate, bicarbonate of ammonia or ammoniacal liquor.
Said terminator is acetone semicarbazone sulphur urine, bisphenol-A.
Said skimmer is the organic siloxane emulsion.
Beneficial effect of the present invention is: the low density polyvinyl-chloride blending resin that adopts aforesaid method to produce, the median size of resin less than 40 μ m, size-grade distribution concentrate, specific absorption more than 10%, apparent density is between 0.38～0.50.The low density polyvinyl-chloride blending resin has that apparent density is low, voidage is high, particle diameter is little, even, characteristics that goods toughness is high, is and sticks with paste resinous blending and use, and can fall the porosity that increases goods, improves processing characteristics and reduces cost.
Embodiment
Execute instance 1:
The water that desalts, the vinyl chloride monomer of 4.1t, the 3.1kg polymerization degree that polymeric kettle adds 7.5t are 1000 Z 150PH, 10 ° of E gelatin of 1.4kg, the SP-60 of 18g, the ammoniacal liquor of 1.5kg, the new certain herbaceous plants with big flowers acid of the emulsion-type oxidation isopropyl benzene fat of 1.75kg; Add in the polymeric kettle; Under 170rpm mixing speed, 57 ℃, carry out polyreaction; At reaction response to 6 hour, add 1.18kg acetone semicarbazone sulphur urine and bisphenol-A, add 1.5kg organo-siloxane emulsion during discharging.Can obtain the SE suspended nitride, slurry through gas carry, centrifugal, air stream drying, cyclone drying and bag-type dust, can obtain low density polyvinyl-chloride blending resin finished product.Finished product adopts standard testings such as GB/T3400, GB/T3402, and its result sees table 1.
Execute instance 2:
10 ° of E gelatin and the polymerization degree that polymeric kettle adds vinyl chloride monomer, the 6.2kg of the water that desalts, the 4.8t of 7.5t is 1700, the two butyl esters of emulsion-type peroxy dicarbonate of the RQ-121BH of 15g, 3.5kg sodium hydrogencarbonate, 1.75kg add in the polymeric kettle; Under 160rpm mixing speed, 58 ℃, carry out polyreaction; Continue reaction to 6.5 hours; Add 1.5kg acetone semicarbazone sulphur urine and bisphenol-A, add 2.0kg organo-siloxane emulsion during discharging.Can obtain the SE suspended nitride, slurry through gas carry, centrifugal, air stream drying, cyclone drying and bag-type dust, can obtain low density polyvinyl-chloride blending resin finished product.Finished product adopts standard testings such as GB/T3400, GB/T3402, and its result sees table 1.
Execute instance 3:
The two butyl esters of peroxy dicarbonate of ether of cellulose, 18g dodecyl sodium alkyl sulfate, 1.0kg sodium hydroxide and the sodium hydrogencarbonate of viscosity 40mpa.s, 1.8kg emulsion-type add with the new certain herbaceous plants with big flowers acid of peroxo-isopropyl benzene fat to go in the polymeric kettle when water that desalts of polymeric kettle adding 7.5t, the vinyl chloride monomer of 4.1t, 5.8kg 2%; Under 175rpm mixing speed, 57.5 ℃, carry out polyreaction; Reaction to 7.5 hour; Add 1.12kg acetone semicarbazone sulphur urine and bisphenol-A, add 1.6kg organo-siloxane emulsion when coming out.Can obtain the SE suspended nitride, slurry through gas carry, centrifugal, air stream drying, cyclone drying and bag-type dust, can obtain low density polyvinyl-chloride blending resin finished product.Finished product adopts standard testings such as GB/T3400, GB/T3402, and its result sees table 1.
Table 1:
| Embodiment | Median size μ m | Apparent density, g/ml | The toughness of goods |
| Embodiment 1 | 27.90 | 0.40 | Good |
| Embodiment 2 | 31.37 | 0.46 | Good |
| Embodiment 3 | 33.04 | 0.50 | Good |
After embodiment gained resin is made into the plastipaste fabricated product with the paste resin, the goods good-toughness.
Above-mentioned effect proposes: the low density polyvinyl-chloride blending resin that adopts aforesaid method to produce, the median size of resin less than 40 μ m, size-grade distribution concentrate, specific absorption more than 10%, apparent density is between 0.38～0.50g/ml.The low density polyvinyl-chloride blending resin has that apparent density is low, voidage is high, particle diameter is little, even, characteristics that goods toughness is high, is and sticks with paste resinous blending and use, and can fall the porosity that increases goods, improves processing characteristics and reduces cost.
Claims (10)
1. the working method of a low density polyvinyl-chloride blending resin, its characteristic may further comprise the steps:
Water, vinylchlorid, emulsifying agent, pH value regulator, dispersion agent and initiator will desalt; Add in the airtight polymeric kettle; At polymeric kettle mixing speed 30～200rpm, polymerization temperature is to carry out polyreaction under 50～60 ℃, when treating that 0.10Mpa falls in polymerization pressure, adds terminator; Finish polyreaction, obtain the low density polyvinyl-chloride blending resin; Wherein each the constituent mass portion rate in the prescription is the basis with 100 parts of vinyl chloride monomers, and ratio is following:
Water desalts: 100～200 parts,
Dispersion agent: 0.0010～0.040 part,
Emulsifying agent: 1.0 * 10
-6～1.0 * 10
-5Part,
Initiator: 1.2 * 10
-4～6.0 * 10
-5Part,
PH value regulator: 0.0002～0.002 part,
Terminator: 0.00025～0.0015 part,
Skimmer: 0.00010～0.0035 part.
2. the method for claim 1 is characterized in that described dispersion agent is LV or low polymerization degree dispersion agent.
3. method as claimed in claim 2 is characterized in that when described LV or low polymerization degree dispersion agent are gelatin, the viscosity 2% below 12 ° of E less than the ether of cellulose of 50mpa.s or the polymerization degree smaller or equal to 2000 Z 150PH.
4. method as claimed in claim 3 is characterized in that described dispersion agent is the independent use or the compound use of gelatin, methylcellulose gum, CMC 99.5, TKK 021, benzyl cellulose, Natvosol, hydroxypropyl methyl fiber or Z 150PH.
5. the method for claim 1 is characterized in that described emulsifying agent is SP-40, SP-60, RQ-121, RQ-121BH, dioctyl sodium sulfosuccinate, X 2073 or dodecyl sodium alkyl sulfate.
6. the method for claim 1 is characterized in that described initiator is an emulsion-type peroxide compound.
7. method as claimed in claim 6 is characterized in that described initiator is new certain herbaceous plants with big flowers acid isopropyl benzene fat of peroxo-or the two butyl esters of peroxy dicarbonate, for using separately or compound use.
8. the method for claim 1 is characterized in that described pH value regulator sodium hydroxide, sodium hydrogencarbonate, sodium hydrogencarbonate, bicarbonate of ammonia or ammoniacal liquor.
9. the method for claim 1 is characterized in that described terminator is acetone semicarbazone sulphur urine or bisphenol-A.
10. the method for claim 1 is characterized in that described skimmer is the organic siloxane emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103827563A CN102432719A (en) | 2011-11-27 | 2011-11-27 | Production method of low-density polyvinyl chloride blending resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103827563A CN102432719A (en) | 2011-11-27 | 2011-11-27 | Production method of low-density polyvinyl chloride blending resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102432719A true CN102432719A (en) | 2012-05-02 |
Family
ID=45981102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103827563A Pending CN102432719A (en) | 2011-11-27 | 2011-11-27 | Production method of low-density polyvinyl chloride blending resin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102432719A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102911303A (en) * | 2012-10-16 | 2013-02-06 | 湖北山水化工有限公司 | PVC (polyvinyl chloride) paste resin used for preparing medical glove and production method thereof |
| CN103232560A (en) * | 2013-04-28 | 2013-08-07 | 天津渤天化工有限责任公司 | Production method of polyvinyl chloride resin with high porosity |
-
2011
- 2011-11-27 CN CN2011103827563A patent/CN102432719A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102911303A (en) * | 2012-10-16 | 2013-02-06 | 湖北山水化工有限公司 | PVC (polyvinyl chloride) paste resin used for preparing medical glove and production method thereof |
| CN102911303B (en) * | 2012-10-16 | 2015-12-02 | 湖北山水化工有限公司 | A kind of pvc resin paste grade for the preparation of medical gloves and production method thereof |
| CN103232560A (en) * | 2013-04-28 | 2013-08-07 | 天津渤天化工有限责任公司 | Production method of polyvinyl chloride resin with high porosity |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104479596B (en) | Water-based environment-friendly plate splicing adhesive and preparation method thereof | |
| CN102453175B (en) | Preparation method of polyvinyl chloride resin with high oil absorption rate | |
| CN104045763B (en) | The method of continuous production of polymers polyalcohol performed polymer | |
| CN103467671B (en) | Preparation method of polycarboxylate superplasticizer with high water reducing rate | |
| CN107602769A (en) | A kind of method of synthesis MBS resins | |
| CN101775105B (en) | Preparation method of high-impact polyacrylate grafting vinyl chloride emulsion copolymer resin | |
| CN104193215B (en) | Ternary block macromonomer graft copolymerization high-property polycarboxylic acid water-reducing agent and preparation method thereof | |
| CN104558320A (en) | Polyvinyl acetate emulsion | |
| CN102432719A (en) | Production method of low-density polyvinyl chloride blending resin | |
| CN103468162B (en) | A kind of Powder type white emulsion and preparation method thereof | |
| EP3166978A1 (en) | Method for producing freeze-thaw stable, aqueous dispersions | |
| CN110734714A (en) | polyvinyl acetate emulsion adhesive with low viscosity and high solid content and preparation method thereof | |
| CN106366246B (en) | A kind of butadiene styrene vinyl pyridine latex and preparation method thereof | |
| CN103232560A (en) | Production method of polyvinyl chloride resin with high porosity | |
| CN102659338A (en) | Polycarboxylic water reducer applicable to manufactured sand and preparation method of polycarboxylic water reducer | |
| CN102127273B (en) | Polrvinyl chloride heat-resistance modifier and preparation method thereof | |
| CN102432718A (en) | Production method of high-density polyvinyl chloride blending resin | |
| CN103242467A (en) | Method for adjusting adding quantity of activator in production of PVC (polyvinyl chloride) paste resin product | |
| JP5793624B2 (en) | Low energy consumption vinyl chloride latex and method for producing the same | |
| CN106432555A (en) | Low-paste-viscosity polyvinyl chloride paste resin PB128 and preparation method thereof | |
| CN103191763A (en) | Catalyst composition for producing vinyl chloride, as well as preparation method and application thereof | |
| CN105153334A (en) | Preparation method for pseudoplastic PVC paste resin with high paste viscosity | |
| KR101366953B1 (en) | A Method for producing vinyl chloride based polymer | |
| CN101544714A (en) | Polyvinyl acetate with low polymerization degree and polymerization method thereof | |
| CN104387508A (en) | Method for preparing paste resin with medium viscosity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120502 |