CN105199255B - A kind of antistatic PVC foamed plastics and preparation method thereof - Google Patents
A kind of antistatic PVC foamed plastics and preparation method thereof Download PDFInfo
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- CN105199255B CN105199255B CN201410257506.0A CN201410257506A CN105199255B CN 105199255 B CN105199255 B CN 105199255B CN 201410257506 A CN201410257506 A CN 201410257506A CN 105199255 B CN105199255 B CN 105199255B
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Abstract
A kind of antistatic PVC foamed plastics and preparation method thereof, belongs to Polymer Processing technical field of modification.The foamed plastics is made up of the component of following parts by weight：100 parts of polyvinyl chloride, 1.5 ~ 3.0 parts of organic tin stabilizer, 20 ~ 30 parts of plasticizer, 4 ~ 6 parts of foaming agent, 1.0 ~ 1.5 parts of auxiliary blowing agent, 8 ~ 10 parts of acrylate copolymer, 1.2 ~ 1.5 parts of organic peroxide crosslinking agent, 4 ~ 6 parts of assistant crosslinking agent, 0.5 ~ 1.0 part of compounded lubricant, 15 ~ 20 parts of antistatic additive.The foamed plastics antistatic property of the present invention is evenly distributed, and antistatic property is lasting, and quality is slim and graceful, screen resilience is high, fire resistance is preferable, and because the foamed plastics color is shallower, is advantageous to add pigment production colored article.The preparation method of the present invention is simple and easy to do, and the quality of the PVC foamed plastics obtained is easily controllable, and foaming effect, rebound performance and antistatic property are evenly distributed.
Description
Technical field
A kind of antistatic PVC foamed plastics and preparation method thereof, belongs to Polymer Processing technical field of modification.
Background technology
Article carries out buffer protection in transportation usually using foamed plastics, such as polystyrene, polyethylene, polyurethane
Deng foamed plastic.And it is vulnerable to the electronic product of electrostatic influence for integrated circuit, communication apparatus etc., packaging material needs anti-
Electrostatic function.Polyvinyl chloride is cheap and fire-retardant relative to the materials such as polystyrene, polyethylene, polyurethane, not only itself
Function admirable, so being highly suitable for electronic product packaging, transport, storage using the antistatic foamed material of Production of PVC
Deposit.
The anti-static function of material generally adds antistatic auxiliary and conductive filler obtains.Antistatic additive is typically with quaternary ammonium salt
Based on the antistatic additive of class and phosphoric acid ester, this method can improve the antistatic property of product in a short time;Conductive filler
The conductive filler mainly added is carbon black, and the addition of carbon black can change the foam structure of foamed plastics, be formed in foam base plate
Conductive path, so that product has the foamed material color that the characteristics of antistatic property steady in a long-term, the method is production
For grey black, influence attractive in appearance, while fire resistance also declines.
The A of Chinese patent CN 103242606 disclose a kind of preparation method on antistatic PVC foam floor, and it is used
Antistatic additive be acetylene carbon black, this make it that colored article can not be produced；The A of Chinese patent CN 103289232 disclose one kind
Antistatic PVC sole expanded material, small molecule non-ionic antistatic agent is used in the patent, product is easily caused and was using
In journey with antistatic additive separate out and performance is gradually reduced；The A of Chinese patent CN 103396623 disclose a kind of PVC antistaticly
Plate, this product add mass filler and use small molecule antistatic additive；It is antistatic disclosed in the A of Chinese patent CN 103362273
PVC composite shingle employs MULTILAYER COMPOSITE technique.Above patent can not all meet that electronic product packaging material is light, anti-very well
The endurable requirement of static behaviour.
The content of the invention
The technical problem to be solved in the present invention is：A kind of overcome the deficiencies in the prior art, there is provided antistatic PVC foamed plastics
And preparation method thereof, the foamed plastics antistatic property is evenly distributed, and antistatic property is lasting, quality is slim and graceful, screen resilience is high,
Fire resistance is preferable, and because the foamed plastics color is shallower, is advantageous to add pigment production colored article.
The technical scheme is that a kind of antistatic PVC foamed plastics, it is characterised in that by the group of following parts by weight
It is grouped into：100 parts of polyvinyl chloride, 1.5 ~ 3.0 parts of organic tin stabilizer, 20 ~ 30 parts of plasticizer, 4 ~ 6 parts of foaming agent, auxiliary foaming
1.0 ~ 1.5 parts of agent, 8 ~ 10 parts of acrylate copolymer, 1.2 ~ 1.5 parts of organic peroxide crosslinking agent, 4 ~ 6 parts of assistant crosslinking agent are multiple
Close 0.5 ~ 1.0 part of lubricant, 15 ~ 20 parts of antistatic additive.
The antistatic additive resists quiet for polyamide/polyester block antistatic additive with polyethylene glycol/methacrylic acid copolymer
Electric agent or the Polymers antistatic additive in mass ratio 1 ~ 3 containing quaternary ammonium salt group：1 mixture.
Described foaming agent is azodicarbonamide（Abbreviation AC）With sodium acid carbonate（Abbreviation SBC）In mass ratio 2 ~ 4：1 is mixed
Conjunction forms, and auxiliary blowing agent is zinc oxide.
Described organic peroxide crosslinking agent is cumyl peroxide（Abbreviation DCP）It is or double（Tert-butyl peroxy base）Two is different
Propylbenzene（Abbreviation BIPB）.
Described assistant crosslinking agent is the different base cyanurate of three allyls（Abbreviation TAIC）, triallylcyanurate（Referred to as
TAC）, pentaerythritol triacrylate or ethoxyquin trimethylolpropane trimethacrylate.
Described plasticizer is phosphorous acid three（Nonyl phenyl）Ester（Abbreviation TNPP）, tricresyl phosphate（Cumenyl）Ester
（IPPP）, tricresyl phosphate（Abbreviation TCP）, tricresyl phosphate（2,3- bis- chloropropyls）Ester（Abbreviation TDCP）, tricresyl phosphate（Chloropropyl）
Ester（Abbreviation TCPP）In any one or any two kinds mixture.
Described plasticizer is tricresyl phosphate（Abbreviation TCP）, or tricresyl phosphate（TCP）And tricresyl phosphate（2,
The chloropropyls of 3- bis-）Ester（Abbreviation TDCP）Mixture.
Described lubricant is stearmide or N, N '-ethylenebisstearamide（Abbreviation EBS）With Tissuemat E or/and
Microwax or/and OPE or/and stearic mixture.
Described vinyl chloride resin is the polyvinyl chloride of suspension method production, and the degree of polymerization is 800 ~ 1000.
A kind of antistatic PVC foamed plastics and preparation method thereof, it is characterised in that adopt and be prepared by the following steps：
1）Grinding：Foaming agent and plasticizer are weighed by proportioning, ground through colloid mill；
2）Material is compounded：The polyvinyl chloride, organic tin stabilizer, auxiliary blowing agent, the acrylate that are weighed by proportioning is common
Polymers, organic peroxide crosslinking agent, assistant crosslinking agent, compounded lubricant, antistatic additive, and step 1）In ground acquisition
Foaming agent and the plasticizer Hybrid Heating in high low speed mixer group, during to 100 ~ 120 DEG C of mixing temperature, material is put into low speed
Mixer, discharged when temperature of charge is cooled to 40 ~ 45 DEG C；
3）Extrusion molding：Material will be compounded by extruder for shaping, extrusion temperature is that 160 ~ 170 DEG C of acquisitions are preforming
Parison；
4）Second time of foaming is shaped：By pre-shaping parison second time of foaming, sizing in a mold, blowing temperature is 190 ~ 200 DEG C.
The description of the invention is as follows：
Organic tin stabilizer used in the present invention can also be different pungent for TGA isooctyl acrylate Monobutyltin, TGA
Base ester monomethyl tin, TGA isooctyl acrylate list tin octylate, TGA isooctyl acrylate dibutyl tin, TGA iso-octyl
Ester dibutyl tin, TGA isooctyl acrylate dibutyl tin, dialkyl group dibutyitin maleate, laurate dibutyitin maleate
Or dibutyl tin laurate.Stabilizer used is that 17MOK is the production of Chemtura Corporation of the U.S. in the present invention.
The number yields of acrylate copolymer used in the present invention is more than 3,000,000 full lipin polymer, Ke Yiwei
Copolymer of methyl methacrylate-styrene-butadiene, butyl methacrylate-SB, methyl-prop
E pioic acid methyl ester-butyl methacrylate copolymer or EMA-butyl methacrylate copolymer.It is preferred that Zibo is magnificent
The ZB-530 of star auxiliary agent company.
Compared with prior art, it is beneficial possessed by a kind of antistatic PVC foamed plastics of the invention and preparation method thereof
Effect is：
1st, antistatic PVC foamed plastics of the invention has excellent antistatic persistence；In the present invention using polyamide/
Polyester block antistatic additive mixes with polyethylene glycol/methacrylic acid copolymer antistatic additive, or polyamide/polyester block resists
Electrostatic agent mixes with the Polymers antistatic additive containing quaternary ammonium salt group, is used as antistatic additive.Use
Antistatic additive compounding most importantly avoids and existing patent conflict to obtain more preferable antistatic effect.
2nd, antistatic PVC foamed plastics of the invention has excellent fire-retardancy.It is phosphorous acid that applicant, which designs plasticizer,
Three（Nonyl phenyl）Ester（TNPP）, tricresyl phosphate（Cumenyl）Ester（IPPP）, tricresyl phosphate（TCP）, tricresyl phosphate（2,3-
Two chloropropyls）Ester（TDCP）, two or three of compound in tricresyl phosphate (chloropropyl) ester (TCPP).Preferred plasticizer is
Preferable plasticization effect can be obtained during TCP or TCP and TDCP mixture, is advantageous to improve foamed plastic of the present invention
Rebound performance.（These plasticizer have anti-flammability, it is ensured that the excellent flame retardant effect of material.
3rd, antistatic PVC foamed plastics quality of the invention is slim and graceful, resilience is good, is suitable as high-grade electronic product
Package buffer material.Antistatic additive used in the present invention is the antistatic additive of high polymer type in itself, and itself will not be migrated,
This maintains material permanent antistatic.Auxiliary agent such as EBS used in simultaneously has anti-static function again, but this auxiliary agent belongs to
Small molecule, easily migration.There is following purpose using the technology of crosslinking：First, material forms network structure after crosslinking, to small molecule
Auxiliary agent plays constraint effect, avoids migration precipitation；Second, cross-linked structure can make foaming agent produce bubble parcel in processing
In matrix, be advantageous to foamed material of the production compared with low-density；If not being crosslinked, bubble easily collapses；Third, it is cross-linked to form
Network structure ensure the resilience of material itself in itself.
4th, preparation method of the invention is simple and easy to do, due to applicant give in operation clear and definite amounts of components, when
Between temperature, rotating speed restriction, the quality of the PVC foamed plastics in actual production for being obtained is easily controllable.
Embodiment
Embodiment 1 ~ 10 is a kind of embodiment of antistatic PVC foamed plastics of the present invention and preparation method thereof,
Wherein embodiment 1 is most preferred embodiment.The embodiment proportioning component of the antistatic PVC foamed plastics is as shown in table 1.
The component proportion of 1 embodiment of table 1 ~ 5（By weight）
。
Foaming agent A is azodicarbonamide and sodium acid carbonate in mass ratio 3 in embodiment 1 ~ 5:1 mixes.Embodiment 1
Antistatic additive A is according to polyamide/polyester block antistatic additive and polyethylene glycol/methacrylic acid copolymer antistatic additive matter in ~ 5
Amount ratio 2：1 mixes.
By the component proportion of embodiment 1 ~ 5 as shown in table 1, and it is prepared as follows：
1）Grinding：Foaming agent and plasticizer are weighed by proportioning, ground through colloid mill；
2）Material is compounded：The polyvinyl chloride, organic tin stabilizer, auxiliary blowing agent, the acrylate that are weighed by proportioning is common
Polymers, organic peroxide crosslinking agent, assistant crosslinking agent, compounded lubricant, antistatic additive, and step 1）In ground acquisition
Foaming agent and the plasticizer Hybrid Heating in high low speed mixer group, during to 100 DEG C of mixing temperature, material is put into mixed on low speed
Machine, discharged when temperature of charge is cooled to 40 DEG C；
3）Extrusion molding：Compounding material is obtained into preforming types by extruder for shaping, extrusion temperature for 170 DEG C
Base；
4）Second time of foaming is shaped：By pre-shaping parison second time of foaming, sizing in a mold, blowing temperature is 190 DEG C.
The component proportion of 2 embodiment of table 6 ~ 10（By weight）
。
Foaming agent B is azodicarbonamide and sodium acid carbonate ratio 2 in embodiment 6 ~ 10:1 mixes.Embodiment 1 ~ 5
Middle antistatic agent B is according to polyamide/polyester block antistatic additive and the Polymers containing quaternary ammonium salt group
Antistatic additive mass ratio 2：1 mixes.
By the component proportion of embodiment 6 ~ 10 as shown in table 1, and it is prepared as follows：
1）Grinding：Foaming agent and plasticizer are weighed by proportioning, ground through colloid mill；
2）Material is compounded：The polyvinyl chloride, organic tin stabilizer, auxiliary blowing agent, the acrylate that are weighed by proportioning is common
Polymers, organic peroxide crosslinking agent, assistant crosslinking agent, compounded lubricant, antistatic additive, and step 1）In ground acquisition
Foaming agent and the plasticizer Hybrid Heating in high low speed mixer group, during to 120 DEG C of mixing temperature, material is put into mixed on low speed
Machine, discharged when temperature of charge is cooled to 45 DEG C；
3）Extrusion molding：Compounding material is obtained into preforming types by extruder for shaping, extrusion temperature for 170 DEG C
Base；
4）Second time of foaming is shaped：By pre-shaping parison second time of foaming, sizing in a mold, blowing temperature is 200 DEG C.
Comparative example 1 ~ 5
Comparative example 1 ~ 6 be applicant in order to which the scheme and effect with embodiment are contrasted, and design comparative example.
The component proportion of comparative example 1 ~ 6 is as shown in table 3.
The component proportion of 3 comparative example of table 1 ~ 5（By weight）
。
Foaming agent A used is identical with embodiment 1 ~ 5 in comparative example 1 ~ 6.The preparation method of comparative example 1 ~ 3 is the same as embodiment 1 ~ 5；
The preparation method of comparative example 4 ~ 5 is the same as embodiment 6 ~ 10.
Performance test
Embodiment 1 ~ 10 and the resulting composition of comparative example 1 ~ 5 are detected, comparative example and embodiment production and detection side
Method is identical, and its testing result is as shown in table 4 ~ 6.Density detects according to GB/T 6343-2009；Volume resistance is according to GB/T
15662-1995 is detected；Oxygen index (OI) detects according to GB/T 10707-2008.
The performance test results of 4 embodiment of table 1 ~ 5
。
The performance test results of 5 embodiment of table 1 ~ 5
。
The performance test results of 6 comparative example of table 1 ~ 6
。
Comparative example 1 ~ 3 is can be seen that using single antistatic additive with reference to the testing result of table 4 ~ 6, and antistatic effect is compared with two
Kind compounding use effect is poor；Comparative example uses common plasticizer, and material oxygen index (OI) is small, poor fire；5 crosslinkings of comparative example do not have
Antistatic additive, antistatic effect are poor.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (6)
1. a kind of antistatic PVC foamed plastics, it is characterised in that be made up of the component of following parts by weight：100 parts of polyvinyl chloride,
1.5 ~ 3.0 parts of organic tin stabilizer, 20 ~ 30 parts of plasticizer, 4 ~ 6 parts of foaming agent, 1.0 ~ 1.5 parts of auxiliary blowing agent, acrylate
8 ~ 10 parts of copolymer, 1.2 ~ 1.5 parts of organic peroxide crosslinking agent, 4 ~ 6 parts of assistant crosslinking agent, 0.5 ~ 1.0 part of compounded lubricant, resist
15 ~ 20 parts of electrostatic agent；
The antistatic additive is polyamide/polyester block antistatic additive and polyethylene glycol/methacrylic acid copolymer antistatic additive
Or the Polymers antistatic additive in mass ratio 1 ~ 3 containing quaternary ammonium salt group：1 mixture；
Described organic peroxide crosslinking agent is double（Tert-butyl peroxy base）Diisopropyl benzene；
Described assistant crosslinking agent is the different base cyanurate of three allyls；
Described lubricant is stearmide or N, N '-ethylenebisstearamide and Tissuemat E or/and microwax or/and oxygen
Change Tissuemat E or/and stearic mixture.
A kind of 2. antistatic PVC foamed plastics according to claim 1, it is characterised in that：Described foaming agent is azo
Diformamide and sodium acid carbonate in mass ratio 2 ~ 4：1 mixes, and auxiliary blowing agent is zinc oxide.
A kind of 3. antistatic PVC foamed plastics according to claim 1, it is characterised in that：Described plasticizer is phosphorous
Acid three（Nonyl phenyl）Ester, tricresyl phosphate（Cumenyl）Ester, tricresyl phosphate, tricresyl phosphate（2,3- bis- chloropropyls）Ester, phosphoric acid
Three（Chloropropyl）The mixture of any one or any two kinds in ester.
A kind of 4. antistatic PVC foamed plastics according to claim 3, it is characterised in that：Described plasticizer is phosphoric acid
Front three phenyl ester, or tricresyl phosphate and tricresyl phosphate（2,3- bis- chloropropyls）The mixture of ester.
A kind of 5. antistatic PVC foamed plastics according to claim 1, it is characterised in that：Described vinyl chloride resin is
The polyvinyl chloride of suspension method production, the degree of polymerization are 800 ~ 1000.
6. the preparation method of a kind of antistatic PVC foamed plastics as described in any one of claim 1 ~ 5, it is characterised in that adopt
It is prepared by the following steps：
1）Grinding：Foaming agent and plasticizer are weighed by proportioning, ground through colloid mill；
2）Material is compounded：By by proportioning weigh polyvinyl chloride, organic tin stabilizer, auxiliary blowing agent, acrylate copolymer,
Organic peroxide crosslinking agent, assistant crosslinking agent, compounded lubricant, antistatic additive, and step 1）In ground acquisition foaming
Agent and the plasticizer Hybrid Heating in high low speed mixer group, during to 100 ~ 120 DEG C of mixing temperature, material is put into mixed on low speed
Machine, discharged when temperature of charge is cooled to 40 ~ 45 DEG C；
3）Extrusion molding：Compounding material is obtained into preforming types by extruder for shaping, extrusion temperature for 160 ~ 170 DEG C
Base；
4）Second time of foaming is shaped：By pre-shaping parison second time of foaming, sizing in a mold, blowing temperature is 190 ~ 200 DEG C.
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106566133A (en) * | 2016-11-03 | 2017-04-19 | 浙江申腾涂层织物有限公司 | Environmentally-friendly PVC foamed material |
| CN109233146A (en) * | 2018-08-17 | 2019-01-18 | 安徽瑞腾塑业有限公司 | A kind of formula system suitable for wide cut hollow foamed plate |
| CN109503983A (en) * | 2018-10-22 | 2019-03-22 | 江苏理工学院 | A kind of environmental protection flame retardant PVC foam material and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804820A (en) * | 2014-01-27 | 2014-05-21 | 山东博拓塑业股份有限公司 | High-foamed PVC (Polyvinyl Chloride) alloy material and preparation method thereof |
-
2014
- 2014-06-11 CN CN201410257506.0A patent/CN105199255B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804820A (en) * | 2014-01-27 | 2014-05-21 | 山东博拓塑业股份有限公司 | High-foamed PVC (Polyvinyl Chloride) alloy material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| Preparation and characterization of a novel antistatic poly(vinyl chloride)/quaternary ammonium based ion-conductive acrylate copolymer composites;Lixia Bao,et al.;《Journal of Electrostatics》;20131005;第71卷;第987-993页 * |
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