CN103881273B - A kind of Oil-resistant cold-resistant PVC transparent pellet and preparation method thereof - Google Patents
A kind of Oil-resistant cold-resistant PVC transparent pellet and preparation method thereof Download PDFInfo
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Abstract
A kind of Oil-resistant cold-resistant PVC transparent pellet and preparation method thereof, relates to PVC transparent pellet.Described Oil-resistant cold-resistant PVC transparent pellet consisting of in mass ratio: polrvinyl chloride 100, multicondensed ethylene glycol di fatty acid ester 30～50, polyester plasticizer 30～60, modified adhesive 20～40, auxiliary agent 4～6.Polyvinyl chloride resin powder is added in heat-sealing machine; add multicondensed ethylene glycol di fatty acid ester, polyester plasticizer, thiol methyl tin, make PVC resin powder fully absorb, be subsequently adding modified adhesive and auxiliary agent; send into granulator granulation after stirring, obtain Oil-resistant cold-resistant PVC transparent pellet.Obtained Oil-resistant cold-resistant PVC transparent pellet has good oil resistant and resistance to low temperature, soaks 10 days in 20 DEG C of isobutyltrimethylmethane .s, and its weight-loss ratio is less than 2%, and low temperature flexure temperature is less than 18 DEG C, can be used for producing polrvinyl chloride oil resistant, cold-resistant transparent flexible pipe.
Description
Technical field
The present invention relates to PVC transparent pellet, relate to a kind of Oil-resistant cold-resistant PVC transparent pellet and preparation method thereof.
Background technology
Polrvinyl chloride (PVC) resin material has excellent mechanical performance, the transparency and oil resistance, is therefore applied to
Manufacture transparent oil resistant tubing, glue rope, glue stick etc..Owing to the glass transition temperature of polrvinyl chloride is higher, PVC material soft
Soft variation with temperature is very sensitive, at normal temperatures can be with the material of normal use, under low temperature state, product hardening and not
Can normally use, such as the oil resistant flexible pipe using polyester plasticizer plasticized PVC to make at present, harden at about 0 DEG C, it is impossible to normal
Use.The flexure temperature using the PVC material of polyurethane polarity nucleic acid modification decreases, but because polyurethane polarity nucleic acid
Class and the poor compatibility of polrvinyl chloride, index of refraction differs greatly, and makes the PVC material of modification be unable to reach preferable transparency.
The open a kind of transparent PVC pellet of Chinese patent CN103289230A and production method thereof, this pellet is by polrvinyl chloride
Base material 100 weight portion, in-lubricant 1～2 weight portion, heat stabilizer 1.0～1.5 weight portion, plasticizer DOP 1～40 weight portion,
Impact modifier 3～10 weight portion, processing aid ACR1～2 weight portions, external lubricant 0.2～0.8 weight portion and pigment composition.
This invention is by by polrvinyl chloride base material, in-lubricant, heat stabilizer, plasticizer, impact modifier, processing aid, outer lubrication
Agent, pigment are optimized proportioning, work out and have certain transparency, good workability, weatherability, stability and mechanical property
Transparent PVC granular material formula, produces the transparent PVC granular material formula that can meet extrusion, prolong the moulding process requirements such as pressure, has reached to carry
The purpose of the high grade of transparency.
Summary of the invention
It is an object of the invention to provide one and there is good oil resistivity, there is sufficiently flexible property under cryogenic, and
Can according to requirements be adjusted combining to reach to use a kind of Oil-resistant cold-resistant PVC transparent pellet required and preparation side thereof
Method.
Described Oil-resistant cold-resistant PVC transparent pellet consisting of in mass ratio: polrvinyl chloride 100, multicondensed ethylene glycol two fat
Acid esters 30～50, polyester plasticizer 30～60, modified adhesive 20～40, auxiliary agent 4～6.
Described multicondensed ethylene glycol di fatty acid ester is selected from triethylene glycol two tricaprylate, tetraethylene glycol bis-enanthate, and five
At least one in ethylene glycol bisthioglycolate tricaprylate etc..
Described polyester plasticizer is selected from polyadipate-1, dipropylene glycol ester, 10PE27, polyadipate fourth
At least one in diol ester etc., molecular weight is 1500～6000.
Described modified adhesive can use Ethylene-butyl acrylate-polymers of carboxylic acid, is purchased from du pont company's model and is
Ethylene-butyl acrylate-the polymers of carboxylic acid of HP441, HP4051, HP661.
Described auxiliary agent be selected from organo-tin het stabilizer, thiol methyl tin, zinc stearate, oxidation polymer Ployethylene Wax,
At least one in macromolecule complex ester, long key fatty acid ester, stearic acid etc.；Described oxidation polymer Ployethylene Wax can use U.S.
The oxidation polymer Ployethylene Wax AC-316A that Honeywell Inc. of state produces；Described macromolecule complex ester can use section of Germany the most public
Macromolecule complex ester G78 that department produces；Described long key fatty acid ester can use the long key fatty acid ester GH-4 that Kening Co., Ltd of Germany produces.
The preparation method of described Oil-resistant cold-resistant PVC transparent pellet, comprises the following steps:
Polrvinyl chloride (PVC) resin-oatmeal is added in heat-sealing machine, adds multicondensed ethylene glycol di fatty acid ester, polyester plasticising
Agent, thiol methyl tin, make PVC resin powder fully absorb, and is subsequently adding modified adhesive and auxiliary agent, sends into granulator granulation after stirring,
Obtain Oil-resistant cold-resistant PVC transparent pellet.
Described addition multicondensed ethylene glycol di fatty acid ester, polyester plasticizer, thiol methyl tin can divide at least 2 additions, often
The minor tick time can be 1～3min；The rotating speed of described heat-sealing machine can be 1300～1600rpm；Described addition modified adhesive and auxiliary agent
Time heat-sealing machine temperature be preferably 85～95 DEG C, the condition of described stirring can be: temperature 120 DEG C, the time 16～20min, then
Put into low speed cooling and stirring machine, temperature 50 C, time 8～12min；Described comminutor can use twin shaft extruding granulator；Gained
Oil-resistant cold-resistant PVC transparent pellet can determine the particle diameter of Oil-resistant cold-resistant PVC transparent pellet as required, then by screening, inspection and
Packaging, obtains required product.
Compared with prior art, it is an advantage of the current invention that: applications similar compatibility principle, select similar to PVC polarity
The glass transition temperature of ethylene-propylene butyl ester--polymers of carboxylic acid and multicondensed ethylene glycol di fatty acid ester more than-50 DEG C, two
Person coordinates the low temperature flexibility of the PVC material making modification to be improved significantly.Obtained Oil-resistant cold-resistant PVC transparent pellet has
Good oil resistant and resistance to low temperature, soak 10 days in 20 DEG C of isobutyltrimethylmethane .s, and its weight-loss ratio is less than 2%, and low temperature flexure temperature is little
In-18 DEG C, can be used for producing polrvinyl chloride oil resistant, cold-resistant transparent flexible pipe.
Detailed description of the invention
The present invention is further illustrated for following example:
Embodiment 1
Polyvinyl chloride resin powder is added in high-speed heat sealing machine, divide and be uniformly slowly added to multicondensed ethylene glycol difatty acid 2 times
Ester, polyester plasticizer, thiol methyl tin, make PVC resin powder fully absorb, and interval 2min guarantees uniform pickup, when many contracting second two
Alcohol di fatty acid ester, polyester plasticizer, thiol methyl tin are fully absorbed by PVC resin powder, and the rotating speed of high-speed heat sealing machine is
1300rpm, adds modified adhesive and auxiliary agent during temperature 90 DEG C, stirring is to 120 DEG C.Whole process 18min, is then placed in low speed cooling
Blender 8min to 50 DEG C, send into twin shaft extruding granulator pelletize, obtain Oil-resistant cold-resistant PVC transparent pellet.
Oil-resistant cold-resistant PVC transparent pellet consisting of in mass ratio:
The performance test results is as follows:
Resistance to isobutyltrimethylmethane. performance:
Weight-loss ratio/% 1.8 after soaking for 20 DEG C/10 days
Low temperature flexure temperature/DEG C-18
Light transmittance (%) 87
Embodiment 2
Polyvinyl chloride resin powder is added in high-speed heat sealing machine, divide and be uniformly slowly added to multicondensed ethylene glycol difatty acid 3 times
Ester, polyester plasticizer, thiol methyl tin, make PVC resin powder fully absorb, and interval 3min guarantees uniform pickup, when many contracting second two
Alcohol di fatty acid ester, polyester plasticizer, thiol methyl tin are fully absorbed by PVC resin powder, and the rotating speed of high-speed heat sealing machine is
1500rpm, adds modified adhesive and auxiliary agent during temperature 85 DEG C, stirring is to 120 DEG C.Whole process 16min, is then placed in low speed cooling
Blender 12min to 50 DEG C, send into twin shaft extruding granulator pelletize, obtain Oil-resistant cold-resistant PVC transparent pellet.
Oil-resistant cold-resistant PVC transparent pellet consisting of in mass ratio:
The performance test results is as follows:
Weight-loss ratio/% 1.8 that isobutyltrimethylmethane. soaks
Low temperature flexure temperature/DEG C-18
Light transmittance (%) 80
Embodiment 3
Polyvinyl chloride resin powder is added in high-speed heat sealing machine, divide and be uniformly slowly added to multicondensed ethylene glycol difatty acid 4 times
Ester, polyester plasticizer, thiol methyl tin, make PVC resin powder fully absorb, and interval 1min guarantees uniform pickup, when many contracting second two
Alcohol di fatty acid ester, polyester plasticizer, thiol methyl tin are fully absorbed by PVC resin powder, and the rotating speed of high-speed heat sealing machine is
1600rpm, adds modified adhesive and auxiliary agent during temperature 95 DEG C, stirring is to 120 DEG C.Whole process 20min, is then placed in low speed cooling
Blender 10min to 50 DEG C, send into twin shaft extruding granulator pelletize, obtain Oil-resistant cold-resistant PVC transparent pellet.
Oil-resistant cold-resistant PVC transparent pellet consisting of in mass ratio:
The performance test results is as follows:
Weight-loss ratio/% 1.7 that isobutyltrimethylmethane. soaks
Low temperature flexure temperature/DEG C-18
Light transmittance (%) 84
Embodiment 4
Polyvinyl chloride resin powder is added in high-speed heat sealing machine, divide and be uniformly slowly added to multicondensed ethylene glycol difatty acid 2 times
Ester, polyester plasticizer, thiol methyl tin, make PVC resin powder fully absorb, and interval 2min guarantees uniform pickup, when many contracting second two
Alcohol di fatty acid ester, polyester plasticizer, thiol methyl tin are fully absorbed by PVC resin powder, and the rotating speed of high-speed heat sealing machine is
1400rpm, adds modified adhesive and auxiliary agent during temperature 85 DEG C, stirring is to 120 DEG C.Whole process 18min, is then placed in low speed cooling
Blender 8min to 50 DEG C, send into twin shaft extruding granulator pelletize, obtain Oil-resistant cold-resistant PVC transparent pellet.
Oil-resistant cold-resistant PVC transparent pellet consisting of in mass ratio:
The performance test results is as follows:
Weight-loss ratio/% 1.6 that isobutyltrimethylmethane. soaks
Low temperature flexure temperature/DEG C-20
Light transmittance (%) 83
Embodiment 5
Polyvinyl chloride resin powder is added in high-speed heat sealing machine, divide and be uniformly slowly added to multicondensed ethylene glycol difatty acid 3 times
Ester, polyester plasticizer, thiol methyl tin, make PVC resin powder fully absorb, and is spaced 2 min and guarantees uniform pickup, when many contracting second two
Alcohol di fatty acid ester, polyester plasticizer, thiol methyl tin are fully absorbed by PVC resin powder, and the rotating speed of high-speed heat sealing machine is
1450rpm, adds modified adhesive and auxiliary agent during temperature 92 DEG C, stirring is to 120 DEG C.Whole process 18min, is then placed in low speed cooling
Blender 10min to 50 DEG C, send into twin shaft extruding granulator pelletize, obtain Oil-resistant cold-resistant PVC transparent pellet.
Oil-resistant cold-resistant PVC transparent pellet consisting of in mass ratio:
The performance test results is as follows:
Weight-loss ratio/% 1.7 that isobutyltrimethylmethane. soaks
Low temperature flexure temperature/DEG C-18
Light transmittance (%) 83
Embodiment 6
Polyvinyl chloride resin powder is added in high-speed heat sealing machine, divide and be uniformly slowly added to multicondensed ethylene glycol difatty acid 3 times
Ester, polyester plasticizer, thiol methyl tin, make PVC resin powder fully absorb, and interval 1.5min guarantees uniform pickup, when the second that contracts more
Di fatty acid esters, polyester plasticizer, thiol methyl tin are fully absorbed by PVC resin powder, and the rotating speed of high-speed heat sealing machine is
1500rpm, adds modified adhesive and auxiliary agent during temperature 90 DEG C, stirring is to 120 DEG C.Whole process 18min, is then placed in low speed cooling
Blender 8min to 50 DEG C, send into twin shaft extruding granulator pelletize, obtain Oil-resistant cold-resistant PVC transparent pellet.
Oil-resistant cold-resistant PVC transparent pellet consisting of in mass ratio:
The performance test results is as follows:
Weight-loss ratio/% 1.7 that isobutyltrimethylmethane. soaks
Low temperature flexure temperature/DEG C-20
Light transmittance 80.
Claims (10)
1. an Oil-resistant cold-resistant PVC transparent pellet, it is characterised in that consisting of in mass ratio: polrvinyl chloride 100, many contracting second two
Alcohol di fatty acid ester 30～50, polyester plasticizer 30～60, modified adhesive 20～40, auxiliary agent 4～6；
Ethylene-butyl acrylate-carbonyl that described modified adhesive uses du pont company's product model to be HP441, HP4051, HP661
Base co-polymer.
2. a kind of Oil-resistant cold-resistant PVC transparent pellet, it is characterised in that described multicondensed ethylene glycol difatty acid
Ester is selected from triethylene glycol two tricaprylate, tetraethylene glycol bis-enanthate, at least one in five ethylene glycol two tricaprylate.
3. a kind of Oil-resistant cold-resistant PVC transparent pellet, it is characterised in that described polyester plasticizer is selected from poly-own
Diacid-1,2-PD ester, 10PE27, at least one in poly adipate succinic acid ester, molecular weight is 1500
～6000.
4. a kind of Oil-resistant cold-resistant PVC transparent pellet, it is characterised in that described auxiliary agent is steady selected from organotin heat
Determine at least in agent, zinc stearate, oxidation polymer Tissuemat E, macromolecule complex ester, long-chain fatty acid ester, stearic acid
Kind；Described oxidation polymer Tissuemat E uses the oxidation polymer Tissuemat E AC-316A that Honeywell Inc. of the U.S. produces；Institute
State macromolecule complex ester G78 that macromolecule complex ester uses Kening Co., Ltd of Germany to produce；Described long-chain fatty acid ester uses section of Germany
The long-chain fatty acid ester GH-4 that Ning company produces.
5. a kind of Oil-resistant cold-resistant PVC transparent pellet, it is characterised in that described organo-tin het stabilizer uses
Thiol methyl tin.
The preparation method of a kind of Oil-resistant cold-resistant PVC transparent pellet the most as claimed in claim 5, it is characterised in that its concrete steps are such as
Under: polyvinyl chloride resin powder is added in heat-sealing machine, add multicondensed ethylene glycol di fatty acid ester, polyester plasticizer and mercaptan first
Ji Xi, makes polyvinyl chloride resin powder fully absorb, and is subsequently adding modified adhesive and auxiliary agent, sends into granulator granulation, to obtain final product after stirring
Oil-resistant cold-resistant PVC transparent pellet.
The preparation method of a kind of Oil-resistant cold-resistant PVC transparent pellet the most as claimed in claim 6, it is characterised in that contract described addition more
Di-fatty acid esters, polyester plasticizer and thiol methyl tin divide at least 2 additions, and each interval time is 1～3min.
The preparation method of a kind of Oil-resistant cold-resistant PVC transparent pellet the most as claimed in claim 6, it is characterised in that described heat-sealing machine
Rotating speed is 1300～1600rpm.
The preparation method of a kind of Oil-resistant cold-resistant PVC transparent pellet the most as claimed in claim 6, it is characterised in that described addition is modified
When glue and auxiliary agent, the temperature of heat-sealing machine is 85～95 DEG C.
The preparation method of a kind of Oil-resistant cold-resistant PVC transparent pellet the most as claimed in claim 6, it is characterised in that described stirring
Condition is: temperature 120 DEG C, the time 16～20min, is then placed in low speed cooling and stirring machine, temperature 50 C, time 8～12min.
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| CN104057600B (en) * | 2014-07-09 | 2016-08-17 | 苏州亨利通信材料有限公司 | A kind of manufacture method of cold-resistant PVC cable material |
| US11248380B2 (en) | 2016-06-28 | 2022-02-15 | Sunrise Spc Technology, Llc | Glueless dustless composite flooring material system |
| US10343381B2 (en) | 2016-06-28 | 2019-07-09 | John B. Troendle | Method of producing a glueless dustless composite flooring material system |
| US10889040B2 (en) | 2016-06-28 | 2021-01-12 | John B. Troendle | Method of producing a glueless dustless composite flooring material system |
| US10220599B2 (en) * | 2016-06-28 | 2019-03-05 | John B. Troendle | Glueless dustless composite flooring material system |
| US10662656B2 (en) | 2016-06-28 | 2020-05-26 | John B. Troendle | Glueless dustless composite flooring material system |
| CN114229329A (en) * | 2021-12-22 | 2022-03-25 | 江苏奥斯达带业有限公司 | Water-based composite polyvinyl chloride and polyvinyl chloride light conveyor belt and preparation method thereof |
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| AU5645090A (en) * | 1989-05-04 | 1990-11-29 | E.I. Du Pont De Nemours And Company | Polymeric plasticizers for polyvinyl chloride |
| KR100540828B1 (en) * | 2003-09-09 | 2006-01-11 | 주식회사 엘지화학 | Diethyleneglycol Esters Plasticizer Composition and Polyvinyl Chloride Resin Using the Same |
| CN101613508A (en) * | 2008-06-27 | 2009-12-30 | E.I.内穆尔杜邦公司 | Low-temperature flexibility and elastic combination thing with improvement |
| CN101434732A (en) * | 2008-12-24 | 2009-05-20 | 佛山市顺德区金康业塑料有限公司 | Medical soft polychloroethylene plastic without o-benzene series plasticiser |
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