CN110947985A - Foamed polyvinyl chloride layered product and its making method - Google Patents
Foamed polyvinyl chloride layered product and its making method Download PDFInfo
- Publication number
- CN110947985A CN110947985A CN201811197577.0A CN201811197577A CN110947985A CN 110947985 A CN110947985 A CN 110947985A CN 201811197577 A CN201811197577 A CN 201811197577A CN 110947985 A CN110947985 A CN 110947985A
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- CN
- China
- Prior art keywords
- weight
- parts
- polyvinyl chloride
- mixing
- heat stabilizer
- 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
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 69
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims description 12
- 239000010410 layer Substances 0.000 claims abstract description 47
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 45
- 239000004088 foaming agent Substances 0.000 claims abstract description 33
- 239000004014 plasticizer Substances 0.000 claims abstract description 32
- 239000002344 surface layer Substances 0.000 claims abstract description 31
- 239000000945 filler Substances 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 26
- 229920005989 resin Polymers 0.000 claims abstract description 26
- 238000005187 foaming Methods 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 15
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003063 flame retardant Substances 0.000 claims abstract description 7
- 239000004576 sand Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 76
- 238000002156 mixing Methods 0.000 claims description 47
- 239000003381 stabilizer Substances 0.000 claims description 38
- 238000005096 rolling process Methods 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 239000000314 lubricant Substances 0.000 claims description 14
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- 238000003490 calendering Methods 0.000 claims description 11
- 239000012748 slip agent Substances 0.000 claims description 10
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 9
- 235000012424 soybean oil Nutrition 0.000 claims description 9
- 239000003549 soybean oil Substances 0.000 claims description 9
- 235000021355 Stearic acid Nutrition 0.000 claims description 8
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 8
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 8
- 239000008117 stearic acid Substances 0.000 claims description 8
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 6
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 5
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 4
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims description 4
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 4
- 239000008116 calcium stearate Substances 0.000 claims description 4
- 235000013539 calcium stearate Nutrition 0.000 claims description 4
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical group [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 4
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 claims description 3
- JZHRGBKQPQTREL-UHFFFAOYSA-N 2-(4-phenylbutoxycarbonyl)benzoic acid Chemical compound OC(=O)C1=CC=CC=C1C(=O)OCCCCC1=CC=CC=C1 JZHRGBKQPQTREL-UHFFFAOYSA-N 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 3
- ZVFDTKUVRCTHQE-UHFFFAOYSA-N Diisodecyl phthalate Chemical compound CC(C)CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC(C)C ZVFDTKUVRCTHQE-UHFFFAOYSA-N 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 229910052570 clay Inorganic materials 0.000 claims description 3
- IFDVQVHZEKPUSC-UHFFFAOYSA-N cyclohex-3-ene-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCC=CC1C(O)=O IFDVQVHZEKPUSC-UHFFFAOYSA-N 0.000 claims description 3
- QSAWQNUELGIYBC-UHFFFAOYSA-N cyclohexane-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCCCC1C(O)=O QSAWQNUELGIYBC-UHFFFAOYSA-N 0.000 claims description 3
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 claims description 3
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims description 3
- YQEMORVAKMFKLG-UHFFFAOYSA-N glycerine monostearate Natural products CCCCCCCCCCCCCCCCCC(=O)OC(CO)CO YQEMORVAKMFKLG-UHFFFAOYSA-N 0.000 claims description 3
- SVUQHVRAGMNPLW-UHFFFAOYSA-N glycerol monostearate Natural products CCCCCCCCCCCCCCCCC(=O)OCC(O)CO SVUQHVRAGMNPLW-UHFFFAOYSA-N 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 claims description 3
- 125000005498 phthalate group Chemical group 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000000454 talc Substances 0.000 claims description 3
- 229910052623 talc Inorganic materials 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 125000005591 trimellitate group Chemical group 0.000 claims description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-L isophthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC(C([O-])=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-L 0.000 claims description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 12
- 239000006260 foam Substances 0.000 description 12
- 239000003795 chemical substances by application Substances 0.000 description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- 229910052788 barium Inorganic materials 0.000 description 5
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 229910052787 antimony Inorganic materials 0.000 description 4
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000009775 high-speed stirring Methods 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- ZBBLRPRYYSJUCZ-GRHBHMESSA-L (z)-but-2-enedioate;dibutyltin(2+) Chemical compound [O-]C(=O)\C=C/C([O-])=O.CCCC[Sn+2]CCCC ZBBLRPRYYSJUCZ-GRHBHMESSA-L 0.000 description 2
- 239000004156 Azodicarbonamide Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical group NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 2
- 235000019399 azodicarbonamide Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 150000001470 diamides Chemical class 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RLWTZURPSVMYGG-UHFFFAOYSA-N (6-methoxy-4-methylpyridin-3-yl)boronic acid Chemical compound COC1=CC(C)=C(B(O)O)C=N1 RLWTZURPSVMYGG-UHFFFAOYSA-N 0.000 description 1
- AIBRSVLEQRWAEG-UHFFFAOYSA-N 3,9-bis(2,4-ditert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP1OCC2(COP(OC=3C(=CC(=CC=3)C(C)(C)C)C(C)(C)C)OC2)CO1 AIBRSVLEQRWAEG-UHFFFAOYSA-N 0.000 description 1
- ICGLPKIVTVWCFT-UHFFFAOYSA-N 4-methylbenzenesulfonohydrazide Chemical compound CC1=CC=C(S(=O)(=O)NN)C=C1 ICGLPKIVTVWCFT-UHFFFAOYSA-N 0.000 description 1
- UKWUOTZGXIZAJC-UHFFFAOYSA-N 4-nitrosalicylic acid Chemical compound OC(=O)C1=CC=C([N+]([O-])=O)C=C1O UKWUOTZGXIZAJC-UHFFFAOYSA-N 0.000 description 1
- LUMNWCHHXDUKFI-UHFFFAOYSA-N 5-bicyclo[2.2.1]hept-2-enylmethanol Chemical compound C1C2C(CO)CC1C=C2 LUMNWCHHXDUKFI-UHFFFAOYSA-N 0.000 description 1
- WMRPRANUDCODRL-UHFFFAOYSA-N CC(C)CCCCCOC(=O)C(S)(S)S Chemical compound CC(C)CCCCCOC(=O)C(S)(S)S WMRPRANUDCODRL-UHFFFAOYSA-N 0.000 description 1
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920002323 Silicone foam Polymers 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical class OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- XQBCVRSTVUHIGH-UHFFFAOYSA-L [dodecanoyloxy(dioctyl)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCCCCCC)(CCCCCCCC)OC(=O)CCCCCCCCCCC XQBCVRSTVUHIGH-UHFFFAOYSA-L 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000002519 antifouling agent Substances 0.000 description 1
- VJFFDDQGMMQGTQ-UHFFFAOYSA-L barium(2+);2-ethylhexanoate Chemical compound [Ba+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O VJFFDDQGMMQGTQ-UHFFFAOYSA-L 0.000 description 1
- MJIAXOYYJWECDI-UHFFFAOYSA-L barium(2+);dibenzoate Chemical compound [Ba+2].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 MJIAXOYYJWECDI-UHFFFAOYSA-L 0.000 description 1
- VJRITMATACIYAF-UHFFFAOYSA-N benzenesulfonohydrazide Chemical compound NNS(=O)(=O)C1=CC=CC=C1 VJRITMATACIYAF-UHFFFAOYSA-N 0.000 description 1
- 150000001558 benzoic acid derivatives Chemical class 0.000 description 1
- ZEFSGHVBJCEKAZ-UHFFFAOYSA-N bis(2,4-ditert-butyl-6-methylphenyl) ethyl phosphite Chemical compound CC=1C=C(C(C)(C)C)C=C(C(C)(C)C)C=1OP(OCC)OC1=C(C)C=C(C(C)(C)C)C=C1C(C)(C)C ZEFSGHVBJCEKAZ-UHFFFAOYSA-N 0.000 description 1
- LUZSPGQEISANPO-UHFFFAOYSA-N butyltin Chemical compound CCCC[Sn] LUZSPGQEISANPO-UHFFFAOYSA-N 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- YAHBZWSDRFSFOO-UHFFFAOYSA-L dimethyltin(2+);2-(2-ethylhexoxy)-2-oxoethanethiolate Chemical compound CCCCC(CC)COC(=O)CS[Sn](C)(C)SCC(=O)OCC(CC)CCCC YAHBZWSDRFSFOO-UHFFFAOYSA-L 0.000 description 1
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002531 isophthalic acids Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- OCWMFVJKFWXKNZ-UHFFFAOYSA-L lead(2+);oxygen(2-);sulfate Chemical compound [O-2].[O-2].[O-2].[Pb+2].[Pb+2].[Pb+2].[Pb+2].[O-]S([O-])(=O)=O OCWMFVJKFWXKNZ-UHFFFAOYSA-L 0.000 description 1
- YJOMWQQKPKLUBO-UHFFFAOYSA-L lead(2+);phthalate Chemical compound [Pb+2].[O-]C(=O)C1=CC=CC=C1C([O-])=O YJOMWQQKPKLUBO-UHFFFAOYSA-L 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 239000006224 matting agent Substances 0.000 description 1
- CSHCPECZJIEGJF-UHFFFAOYSA-N methyltin Chemical compound [Sn]C CSHCPECZJIEGJF-UHFFFAOYSA-N 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- ZMHZSHHZIKJFIR-UHFFFAOYSA-N octyltin Chemical compound CCCCCCCC[Sn] ZMHZSHHZIKJFIR-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical class OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000013514 silicone foam Substances 0.000 description 1
- WSFQLUVWDKCYSW-UHFFFAOYSA-M sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN1CCOCC1 WSFQLUVWDKCYSW-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- -1 tetrakis (2, 4-di-tert-butylphenyl) [1, 1-biphenyl ] -4,4' -diyl diphosphonate Chemical compound 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- QRCJOCOSPZMDJY-UHFFFAOYSA-N valnoctamide Chemical compound CCC(C)C(CC)C(N)=O QRCJOCOSPZMDJY-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- VNTDZUDTQCZFKN-UHFFFAOYSA-L zinc 2,2-dimethyloctanoate Chemical compound [Zn++].CCCCCCC(C)(C)C([O-])=O.CCCCCCC(C)(C)C([O-])=O VNTDZUDTQCZFKN-UHFFFAOYSA-L 0.000 description 1
- 229940098697 zinc laurate Drugs 0.000 description 1
- IFNXAMCERSVZCV-UHFFFAOYSA-L zinc;2-ethylhexanoate Chemical compound [Zn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O IFNXAMCERSVZCV-UHFFFAOYSA-L 0.000 description 1
- JDLYKQWJXAQNNS-UHFFFAOYSA-L zinc;dibenzoate Chemical compound [Zn+2].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 JDLYKQWJXAQNNS-UHFFFAOYSA-L 0.000 description 1
- GPYYEEJOMCKTPR-UHFFFAOYSA-L zinc;dodecanoate Chemical compound [Zn+2].CCCCCCCCCCCC([O-])=O.CCCCCCCCCCCC([O-])=O GPYYEEJOMCKTPR-UHFFFAOYSA-L 0.000 description 1
- NHXVNEDMKGDNPR-UHFFFAOYSA-N zinc;pentane-2,4-dione Chemical compound [Zn+2].CC(=O)[CH-]C(C)=O.CC(=O)[CH-]C(C)=O NHXVNEDMKGDNPR-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/08—Cutting tools with blade- or disc-like main parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- C08J9/0023—Use of organic additives containing oxygen
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- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
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- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
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- C08J2327/00—Characterised by the use of homopolymers or copolymers 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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Abstract
The invention discloses a foamed polyvinyl chloride layered product and a manufacturing method thereof. The foamed polyvinyl chloride layered product comprises at least one bottom layer and at least one surface layer. The bottom layer contains 100 parts by weight of polyvinyl chloride resin, 25 to 140 parts by weight of plasticizer, 0 to 50 parts by weight of filler, 0.1 to 15 parts by weight of powder heat stabilizer, and 0.1 to 40 parts by weight of foaming agent. The surface layer comprises 100 parts by weight of polyvinyl chloride resin, 25 to 140 parts by weight of plasticizer, 0 to 50 parts by weight of filler, 0.1 to 15 parts by weight of liquid heat stabilizer, 0.5 to 30 parts by weight of color sand, 0 to 40 parts by weight of foaming agent and 0 to 50 parts by weight of flame retardant. By adjusting the type and dosage of the heat stabilizer, the foamed polyvinyl chloride layered product can be mixed by a planetary extruder, and has good foaming property besides good gelatinization.
Description
Technical Field
The invention relates to a polyvinyl chloride product, in particular to a foamed polyvinyl chloride layered product and a manufacturing method thereof.
Background
PolyVinyl Chloride (PVC) is a polymer material obtained by addition polymerization of vinyl Chloride, and can be classified into rigid and flexible PVC in general according to its flexibility. Among them, rigid polyvinyl chloride is widely used for doors, windows, water pipes, bottle caps, non-food packaging containers …, and the like. The flexible polyvinyl chloride has considerable plasticity by adding a plasticizer, and is often applied to hoses, cable insulators, artificial leather, rubber products, billboards … and the like.
When polyvinyl chloride is molded, a proper amount of plasticizer and other additives are mixed, then various additives are uniformly dispersed in the polyvinyl chloride by a mixing procedure, and then the mixed polyvinyl chloride is made into a predetermined shape.
The planetary extruder has the advantages of good gelatinization, high gelatinization speed and reduced stabilizer precipitation, and compared with a ten thousand horsepower machine used in the prior art, the planetary extruder can shorten the process and reduce the addition amount of the stabilizer. The planetary extruder is divided into two sections, M1 and M2, and one more section M3 is added according to production requirements. In the manufacturing process, the expected effect can be achieved by adjusting the screw structures of the sections, the spacing … and the like in consideration of foamability and avoiding the generation of forward hairs.
The polyvinyl chloride mixed by a planetary extruder in the prior art cannot be foamed or has poor foaming quality, so that the improvement is needed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a foamed polyvinyl chloride layered product and a manufacturing method thereof aiming at the defects of the prior art.
In order to solve the above technical problems, one of the technical solutions adopted by the present invention is to provide a foamed polyvinyl chloride layered product, which includes: a bottom layer and a surface layer. The bottom layer contains 100 parts by weight of a polyvinyl chloride resin, 25 to 140 parts by weight of a plasticizer, 0 to 50 parts by weight of a filler, 0.1 to 15 parts by weight of a powder heat stabilizer, and 0.1 to 40 parts by weight of a foaming agent. The surface layer contains 100 parts by weight of polyvinyl chloride resin, 25 to 140 parts by weight of plasticizer, 0 to 50 parts by weight of filler, 0.1 to 15 parts by weight of liquid heat stabilizer, 0.5 to 30 parts by weight of color sand, 0 to 40 parts by weight of foaming agent and 0 to 50 parts by weight of flame retardant.
Preferably, the bottom layer further contains 2 to 5 parts by weight of a lubricant, and the surface layer further contains 2 to 5 parts by weight of a lubricant.
Preferably, the plasticizer is selected from the group consisting of phthalate, phenylbutyl phthalate, diisodecyl phthalate, diisononyl phthalate, dioctyl phthalate, dibutyl phthalate, di (2-ethylhexyl) phthalate, isophthalate, terephthalate, trimellitate, benzoate, pyromellitate, tetrahydrophthalate, and hexahydrophthalate; the filler is selected from the group consisting of silica, clay, titanium dioxide, talc, calcium carbonate, and calcined kaolin; the slip agent is selected from the group consisting of butyl stearate, lauryl alcohol, stearyl alcohol, epoxidized soybean oil, glycerol monostearate, stearic acid, and diamides.
Preferably, the powdered heat stabilizer is selected from the group consisting of zinc stearate, barium stearate, calcium stearate, and calcium-zinc complex stabilizers; the liquid heat stabilizer is stearic acid or epoxidized soybean oil.
Preferably, the bottom layer is a single bottom layer or a bottom layer formed by stacking a plurality of layers in sequence; the surface layer is a single surface layer or a surface layer formed by stacking a plurality of layers in sequence.
In order to solve the above technical problem, another technical solution adopted by the present invention is to provide a method for manufacturing a foamed polyvinyl chloride layered product, comprising the steps of: mixing a base material, wherein the base material comprises 100 parts by weight of polyvinyl chloride resin, 25-140 parts by weight of plasticizer, 0.1-15 parts by weight of powder heat stabilizer and 0.1-40 parts by weight of foaming agent; mixing a surface material, wherein the surface material comprises 100 parts by weight of polyvinyl chloride resin, 25 to 140 parts by weight of plasticizer, 0.1 to 15 parts by weight of liquid heat stabilizer, 0.5 to 30 parts by weight of color sand, 0 to 40 parts by weight of foaming agent and 0 to 50 parts by weight of flame retardant; mixing the base material by a planetary extruder, mixing by a rolling machine, and preparing at least one bottom layer by a calender; mixing the surface material by a planetary extruder, mixing by a rolling machine, and preparing at least one surface layer by a calender; attaching the at least one bottom layer and the at least one surface layer to form a to-be-foamed layered object; and foaming the layered object to be foamed to form the foamed polyvinyl chloride layered product.
Preferably, the base material further contains 0 to 50 parts by weight of a filler, and 2 to 5 parts by weight of a lubricant; the surface material further comprises 0 to 50 parts by weight of filler and 2 to 5 parts by weight of lubricant.
Preferably, the step of mixing the base material is to mix and stir the polyvinyl chloride resin, the plasticizer, the powdered heat stabilizer, the filler and the lubricant for a predetermined time, and then add the foaming agent to continue stirring; the step of mixing the surface material is that the polyvinyl chloride resin, the plasticizer, the powdery heat stabilizer, the filler and the lubricant are mixed and stirred for a preset time, and then the foaming agent is added and stirred continuously.
Preferably, the base material is stirred at a high speed after the foaming agent is added, and the stirring is stopped when the temperature of the base material reaches 120 ℃; and (3) stirring the surface material at a high speed after the foaming agent is added, stopping stirring when the temperature of the bottom material reaches 165 ℃, and cooling.
Preferably, the working temperature of the planetary extruder is more than 200 ℃, the working temperature of the rolling mill is more than 180 ℃, and the rolling temperature of the calender is 160 to 210 ℃.
Preferably, the step of calendering to form at least one substrate further comprises: rolling to form a bottom layer formed by stacking a plurality of layers in sequence; the step of calendering to form at least one skin layer further comprises: rolling to form a surface layer with multiple layers stacked in sequence.
The invention has the beneficial effects that by adjusting the type and dosage of the heat stabilizer, the foamed polyvinyl chloride layered product can be mixed by a planetary extruder, and has good foaming property besides good gelatinization.
For a better understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the invention and accompanying drawings, which are provided for purposes of illustration and description only and are not intended to limit the invention.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention.
FIG. 2 is a flow chart of a manufacturing method of the present invention.
FIG. 3 is an apparatus for manufacturing a laminated foamed polyvinyl chloride article according to example 1 of the present invention.
Detailed Description
The following is a description of the embodiments of the present disclosure relating to "foamed polyvinyl chloride layered product and method for manufacturing the same" by specific examples, and those skilled in the art can understand the advantages and effects of the present disclosure from the disclosure of the present disclosure. The invention is capable of other and different embodiments and its several details are capable of modification in various other respects, all without departing from the spirit and scope of the present invention. The drawings of the present invention are simply illustrative, and are not drawn to scale, but are described in advance. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
Referring to fig. 1, the foamed polyvinyl chloride layered product 1 of the present invention comprises: a bottom layer 11 and a surface layer 12. The bottom layer 11 contains 100 parts by weight of a polyvinyl chloride resin, 25 to 140 parts by weight of a plasticizer, 0 to 50 parts by weight of a filler, 0.1 to 15 parts by weight of a powder heat stabilizer, and 0.1 to 40 parts by weight of a foaming agent. The surface layer 12 contains 100 parts by weight of a polyvinyl chloride resin, 25 to 140 parts by weight of a plasticizer, 0 to 50 parts by weight of a filler, 0.1 to 15 parts by weight of a liquid heat stabilizer, 0.5 to 30 parts by weight of a coloring material, 0 to 40 parts by weight of a foaming agent, and 0 to 50 parts by weight of a flame retardant.
Preferably, the bottom layer 11 further contains 2 to 5 parts by weight of a lubricant, and the surface layer 12 further contains 2 to 5 parts by weight of a lubricant. By further adding a slip agent, the gel time can be shortened and the fluidity can be increased.
Preferably, a foam stabilizer and a gelling accelerator may be further mixed in the foaming agent. The plastic and the foaming agent can be uniformly mixed by the foam regulator.
It is worth mentioning that the surface layer 12 may be further treated with a treatment agent to adjust the surface effect and haze. Examples of the treating agent include: matting agents, gloss enhancers, smoothing agents, antifouling agents, but not limited thereto. Similarly, the bottom layer 11 can be treated with a treating agent to adjust the surface effect, and the manufacturer can select the treating agent according to the needs.
Specifically, the plasticizer may be any compound or composition suitable for polyvinyl chloride selected from the group consisting of, but not limited to, phthalate esters, phenylbutyl phthalate, diisodecyl phthalate, diisononyl phthalate, dioctyl phthalate, dibutyl phthalate, di (2-ethylhexyl) phthalate, isophthalate esters, terephthalate esters, trimellitate esters, benzoate esters, pyromellitate esters, tetrahydrophthalate esters, and hexahydrophthalate esters.
The filler is selected from, but not limited to, the group consisting of carbon black, silica, clay, titanium dioxide, talc, calcium carbonate, calcium oxide, and calcined kaolin.
The slip agent is selected from the group consisting of, but not limited to, butyl stearate, lauryl alcohol, stearyl alcohol, epoxidized soybean oil, glycerol monostearate, stearic acid, and diamides.
The powder heat stabilizer and the liquid heat stabilizer are both used as heat stabilizers for polyvinyl chloride and are in a powder state and a liquid state respectively. When the main component of the heat stabilizer is solid, the heat stabilizer can be prepared into powder to form a powder heat stabilizer, or can be prepared into a liquid heat stabilizer by adding a proper solvent.
The heat stabilizer may be selected from, but not limited to, lead-based stabilizers, barium-based stabilizers, zinc-based stabilizers, tin-based stabilizers, antimony-based stabilizers, calcium-based stabilizers, phosphite-based stabilizers, phenol-based stabilizers, polyol-based stabilizers, or mixtures thereof. Examples of the lead-based stabilizer include: tribasic lead sulfate, dibasic lead phosphite, dibasic lead stearate, and dibasic lead phthalate, but not limited thereto. Examples of the barium-based stabilizer include: barium alkylphenol, barium 2-ethylhexanoate, barium laurate, barium benzoate, barium neodecanoate, and barium stearate, but not limited thereto. Examples of the zinc-based stabilizer include: zinc 2-ethylhexanoate, zinc laurate, zinc naphthenate, zinc neodecanoate, zinc benzoate, zinc acetylacetonate, and zinc stearate, but not limited thereto. Examples of the tin-based stabilizer include: methyltin, dioctyltin dilaurate, dibutyltin maleate, methyltin mercaptide, butyltin mercaptide, octyltin mercaptide, dibutyltin maleate, but not limited thereto. The antimony-based stabilizer may, for example, be: antimony tris (dodecanethiolate), antimony isooctyl trimercaptoacetate, but not limited thereto. Examples of the calcium-based stabilizer include: calcium stearate, but is not limited thereto. The phosphite-based stabilizer may, for example, be: tris (2, 4-di-tert-butylphenyl) phosphite, bis [2, 4-bis (1, 1-dimethylethyl) -6-methylphenyl ] ethyl phosphite, tetrakis (2, 4-di-tert-butylphenyl) [1, 1-biphenyl ] -4,4' -diyl diphosphonate, bis (2, 4-di-tert-butylphenyl) pentaerythritol diphosphite, but not limited thereto. The phenol-based stabilizer may, for example, be: 3,3', 5,5' -hexa-tert-butyl-a, a ' - (methylene-2, 4, 6-triyl) tri-p-cresol, without being limited thereto. The polyol-based stabilizer may, for example, be: pentaerythritol, cyclol, 1,1, 1-trimethylolethane, 1,1, 1-trimethylolpropane and polyvinyl alcohol, but not limited thereto. The heat stabilizer may be a lead stabilizer/barium stabilizer mixture, a calcium stabilizer/zinc stabilizer mixture, a calcium stabilizer/tin stabilizer mixture, or a barium stabilizer/tin stabilizer mixture.
The powder heat stabilizer is preferably selected from the group consisting of zinc stearate, barium stearate, calcium stearate, and a calcium-zinc combination stabilizer (i.e., a mixture of a calcium-based stabilizer and a zinc-based stabilizer). The liquid heat stabilizer is preferably stearic acid or epoxidized soybean oil.
The foaming agent is azodicarbonamide, 4' -oxybis-benzenesulfonyl hydrazide, p-toluenesulfonyl hydrazide, benzenesulfonyl hydrazide, or a combination thereof. Preferably, the foaming agent has a particle size of 2-25 μm, so as to avoid uneven foaming of the processed product and avoid foaming in advance. The color sand with particle size of 0.1-15 mm can be selected to increase stability and ensure gelatinization. The gelling accelerator is selected from, but not limited to, acrylates. The foam stabilizer is a nonionic, anionic or cationic surfactant, but is not limited thereto, and a nonionic silicone foam stabilizer is preferably used as the foam stabilizer.
In addition, 0 to 100 parts by weight of a plasticizer may be additionally added as required. According to the requirement, 0-50 parts by weight of emulsion powder can be additionally added, and a ten thousand horsepower machine in the prior art cannot use the emulsion powder with higher polymerization degree and easily causes the defect of agglomeration. By adjusting the type and dosage of the heat stabilizer, the foamed polyvinyl chloride layered product 1 of the invention can be mixed by a planetary extruder, and has good foaming characteristics in addition to good gelatinization. Specifically, when the amount of the powder heat stabilizer is 0.1 to 15 parts by weight, the precipitation property can be effectively reduced.
The composition of the foamed polyvinyl chloride layered product 1 has been described above, and the method for producing the same will be described below. Referring to fig. 1 and 2, the manufacturing method of the foamed polyvinyl chloride layered product 1 includes the following steps:
step S101: mixing a base material, wherein the base material comprises 100 parts by weight of polyvinyl chloride resin, 25 to 140 parts by weight of plasticizer, 0 to 50 parts by weight of filler, 0.1 to 15 parts by weight of powdery heat stabilizer and 0.1 to 40 parts by weight of foaming agent.
The bed material may be placed in a bucket and mixed by a mixing device. Examples of the mixing device include: high speed mixer, sun mixer, horizontal mixer, vertical mixer, but not limited thereto. Preferably, a high speed mixer is used. The mode of mixing the base material may be to mix all the raw materials at once or to mix them in stages, and is not limited. Preferably, the polyvinyl chloride resin, the plasticizer, the liquid heat stabilizer and the filler are mixed together, and then stirred at a high speed for a predetermined time, and then the foaming agent is added to continue stirring and mixing.
The mixing conditions are not limited, but it is preferable to stop the mixing operation after the bed material is warmed up to a predetermined temperature. The predetermined temperature may be, for example: 120 ℃ is adopted. Thus, the polyvinyl chloride resin can be promoted to sufficiently absorb the plasticizer.
It is worth mentioning that the base material further contains 2 to 5 parts by weight of a slip agent, and preferably, the slip agent is mixed and stirred with the polyvinyl chloride resin, the plasticizer, the liquid heat stabilizer and the filler, and then the foaming agent is added for continuous stirring.
After step S101, a cooling step S102 may be further added. The step S102 is: cooling the bed material to a bed material cooling temperature of 40 to 50 ℃. By performing step S102, caking due to excessive temperature of the bed material can be prevented. It should be noted that the step S101 is not necessary for implementing the manufacturing method of the present invention, and the user may select whether to cool or not according to the requirement without limitation.
Step S103: the base material is mixed by a planetary extruder and then is rolled to form a bottom layer 11.
More specifically, the method comprises mixing the stirred base material with a planetary extruder to make the base material gel and mutually dissolve, and rolling to form the bottom layer 11. Preferably, after the base material is kneaded by the planetary extruder, the second kneading may be carried out by further adding another kneading device, and the kneading device used may be, for example: planetary extruder, screw extruder, roller mill, universal machine, kneader, but not limited thereto. The apparatus for rolling may be exemplified by: the four-roll calender is not limited thereto.
Preferably, the base material is mixed by a planetary extruder, then mixed by a roller, and then made into a base layer 11 by a calender. Wherein, the working temperature of the planet extruder is set to be more than 200 ℃, so that the bed charge can be mixed into a dough; setting the working temperature of a rolling machine to be more than 180 ℃, and repeatedly rolling the bed charge to fully mix the bed charge; the base layer 11 is produced by setting the rolling temperature of the rolling mill at 160 to 210 ℃ to roll the sufficiently plasticized base material.
Step S104: mixing a surface material, wherein the surface material comprises 100 parts by weight of polyvinyl chloride resin, 25 to 140 parts by weight of plasticizer, 0 to 50 parts by weight of filler, 0.1 to 15 parts by weight of liquid heat stabilizer, 0.5 to 30 parts by weight of pigment, 0 to 40 parts by weight of foaming agent and 0 to 50 parts by weight of flame retardant.
The batch materials may be mixed by a mixing device. Examples of the mixing device include: high speed mixer, sun mixer, horizontal mixer, vertical mixer, but not limited thereto. Preferably, a high speed mixer is used. The form of mixing the surface materials may be to mix all the raw materials together at once, or to mix them in stages, without any limitation. Preferably, the polyvinyl chloride resin, the plasticizer, the liquid heat stabilizer and the filler are mixed together, and then stirred at a high speed for a predetermined time, and then the foaming agent is added to continue stirring and mixing.
The mixing conditions are not limited, but it is preferable to stop the mixing operation after the bed material is warmed up to a predetermined temperature. The predetermined temperature may be, for example: 120 ℃ is adopted. Thus, the polyvinyl chloride resin can be promoted to sufficiently absorb the plasticizer.
It is worth mentioning that the surface material further comprises 2 to 5 parts by weight of a slip agent, and preferably, the slip agent is mixed and stirred with the polyvinyl chloride resin, the plasticizer, the liquid heat stabilizer and the filler, and then the foaming agent is added for continuous stirring.
After step S104, a cooling step S105 may be further added. The step S105 is: cooling the surface material to a surface material cooling temperature of 40-50 ℃. By performing step S105, the surface material can be prevented from being agglomerated due to an excessively high temperature. It should be noted that the step S105 is not necessary for implementing the manufacturing method of the present invention, and the user may select whether to cool or not according to the requirement without limitation.
Step S106: the surface layer 12 is formed by mixing and extruding the materials with a planetary extruder.
The device type, execution step and control parameters selected in step S103 are substantially the same, and the difference is that the material to be kneaded and calendered is the surface material, and the parameter selection in the actual execution can be completely the same as that in step S102, or can be adjusted according to the actual requirement without limitation.
Preferably, the base material is mixed by a planetary extruder, then mixed by a rolling mill, and finally manufactured into a bottom layer 11 by a calender. The working temperature of the planetary extruder is more than 200 ℃, the working temperature of the rolling wheel machine is more than 180 ℃, and the rolling temperature of the rolling mill is 160-210 ℃.
Step S107: the bottom layer 11 and the surface layer 12 are bonded to form a layer to be foamed.
More specifically, the step is to bond the base layer 11 and the surface layer 12 to each other by a bonding machine. Among them, the laminating machine may, for example, be: a dry laminator or a wet laminator, but is not limited thereto. Preferably, the bottom layer 11 is attached to a base fabric by an attaching machine, and then the surface layer 12 is attached to the bottom layer 11 by an attaching machine.
Step S108: and foaming the layered object to be foamed to form the foamed polyvinyl chloride layered product 1.
More specifically, the step is to put the layer to be foamed into a foaming furnace and then foam at 230 ℃, however, the foaming conditions are not limited thereto, and the manufacturer can adjust the foaming conditions according to actual needs.
Through the steps, the foamed polyvinyl chloride layered product 1 of the present invention can be obtained. It should be noted that the foamed polyvinyl chloride layered product 1 may further be treated with a treating agent to adjust the surface effect and the haze according to the needs, and the manufacturer may select the product according to the actual needs without any limitation.
It should be noted that, when the manufacturing method of the present invention is executed, two sets of equipment may be adopted to simultaneously execute step S101 and step S104 to obtain the bottom layer 11 and the top layer 12, then execute step S103 and step S104 to obtain the bottom layer 11 and the top layer 12, and finally execute step S105 through the pressing machine and execute step S106 through the foaming furnace. Still alternatively, the same group of devices may be used to sequentially perform steps S101 to S106. The order of execution of the steps may be determined according to actual needs, and is not limited to the order in which the steps are executed according to the present invention.
Therefore, the invention can adopt a planetary extruder to mix by adjusting the type and the dosage of the heat stabilizer, has simple production steps, has good material gelatinization and can meet the foaming requirement. The present invention is specifically described in examples 1 to 3 below.
[ example 1]
Referring to fig. 1 to 3, the filler of example 1 is calcium carbonate, the plasticizer is phthalate, the lubricant is stearic acid, the powder heat stabilizer is calcium-zinc powder comprehensive stabilizer, the liquid heat stabilizer is epoxidized soybean oil, and the foaming agent is azodicarbonamide. The compositions are listed in Table 1.
The layered product to be foamed is produced by using the apparatus shown in fig. 3, which comprises a mixing unit 2, a mixing unit 3, and a forming unit 4 connected in series in sequence. The mixing unit 2 includes a metering tank 21, a high-speed mixer 22, and a cold mixing tank 23 connected in series. The mixing unit 3 comprises a planetary extruder 31 and a roller 32 connected in series. The forming unit 4 comprises a calender 41, a laminator 42 and a foaming furnace 43 connected in series. The manufacturing steps of this example 1 are:
step S101: weighing and mixing 100 parts by weight of polyvinyl chloride resin, 10 parts by weight of calcium carbonate, 75 parts by weight of phthalate, 2 parts by weight of epoxidized soybean oil and 4 parts by weight of powdery heat stabilizer by using a metering barrel 21, outputting the mixture to a high-speed mixer 22, carrying out high-speed stirring for 30 seconds by using a high-speed stirrer, then adding 5 parts by weight of foaming agent, continuously stirring until the temperature reaches 120 ℃, and then stopping high-speed stirring to obtain a pre-stirred high-temperature base material.
Step S102: and outputting the high-temperature bottom material to a cold mixing barrel 23, and cooling to 40 ℃ to obtain the powdery bottom material.
Step S103: the base material is mixed by a planetary extruder 31 with the working temperature of more than 200 ℃, then is further mixed by a rolling turbine 32 with the working temperature of more than 180 ℃, and then is made into a bottom layer 11 by a calender 41 at the calendering temperature of 160 ℃, and is coiled into a bundle.
Step S104: 100 parts by weight of polyvinyl chloride resin, 10 parts by weight of calcium carbonate, 75 parts by weight of phthalate, 2 parts by weight of epoxidized soybean oil and 4 parts by weight of stearic acid were weighed and mixed by a measuring tank 21, and were stirred at a high speed for 30 seconds by a high-speed stirrer, and then 5 parts by weight of a foaming agent was added and stirred continuously. When the temperature of the base material reaches 120 ℃, the high-speed stirring is stopped immediately, and a pre-stirred high-temperature surface material is obtained.
Step S105: and outputting the high-temperature surface material to a cold mixing barrel 23, and cooling to 40 ℃ to obtain a powdery surface material.
Step S106: the surface material is firstly mixed by a planetary extruder 31 with the working temperature of more than 200 ℃, then is further mixed by a roller 32 with the working temperature of more than 180 ℃, and then is made into a surface layer 12 by a calender 41 at the calendering temperature of 160 ℃, and is coiled into a bundle.
Step S107: and (3) attaching the bottom layer 11 to the base cloth by using an attaching machine 42, and attaching the surface layer 12 to the bottom layer 11 to obtain the layered object to be foamed.
Step S108: the layered object to be foamed is placed into a foaming furnace 43 and is foamed at 230 ℃ to obtain the foamed polyvinyl chloride layered product 1.
[ examples 2 and 3]
Referring to fig. 2, the steps of examples 2 and 3 are substantially the same as those of example 1, except that the formulation, cooling temperature and calendering temperature are slightly different, and the composition and operating conditions are shown in table 1.
[ evaluation items ]
Degree of gelation: the hard coated fabric and the finished product of the example are put into an oven at 100 ℃, a pressure of 3kg is applied, and the product is taken out after 24 hours. After cooling, calculating the weight difference ratio before and after the hard rubberized fabric experiment.
Foaming degree: the quality of the foam was observed under a magnifying glass.
TABLE 1
Degree of gelation: the migration performance is tested by using a hard adhesive tape, and the smaller the numerical value, the better the gelatinization performance is represented.
Foaming degree: the finished product is observed under a magnifier whether foam holes are connected or not and whether the foam holes are different in size or not; when the foam is generated in different sizes, the foaming degree is poor; the number of the foam holes in a unit area can be further used for judging whether the foaming degree is good or not, and the more the number of the foam holes is, the more compact the foam holes is, the better the foaming degree is.
[ advantageous effects of the embodiments ]
One of the advantages of the invention is that the foamed polyvinyl chloride layered product 1 can be mixed by a planetary extruder by adjusting the composition thereof, has good gelling and can meet the foaming requirement. Specifically, the invention obtains better hand feeling through the structure of at least one bottom layer and at least one surface layer. The defects that the foamed polyvinyl chloride laminated product with a single-layer structure is not wear-resistant and poor in peel strength are overcome, and the foamed polyvinyl chloride laminated product with the single-layer structure is more in rubberizing, stiff in hand feeling and more costly.
Furthermore, the gelling time can be further shortened and the fluidity can be increased by adding the lubricant, the manufacturing method of the invention has simple production steps, and the plasticizer can be further promoted to be absorbed by stirring to high temperature during the material mixing, and the high-temperature agglomeration is prevented by cooling, thereby being beneficial to the subsequent mixing. And the material is further mixed by arranging a rolling wheel machine, so that the gelatinization is more complete.
The disclosure is only a preferred embodiment of the invention, and is not intended to limit the scope of the claims, so that all technical equivalents and modifications using the contents of the specification and drawings are included in the scope of the claims.
Claims (11)
1. A foamed polyvinyl chloride layered article, comprising:
at least one bottom layer containing 100 parts by weight of polyvinyl chloride resin, 25 to 140 parts by weight of plasticizer, 0 to 50 parts by weight of filler, 0.1 to 15 parts by weight of powdery heat stabilizer, and 0.1 to 40 parts by weight of foaming agent; and
at least one surface layer, comprising 100 weight portions of polyvinyl chloride resin, 25 to 140 weight portions of plasticizer, 0 to 50 weight portions of filler, 0.1 to 15 weight portions of liquid heat stabilizer, 0.5 to 30 weight portions of color sand, 0 to 40 weight portions of foaming agent and 0 to 50 weight portions of flame retardant.
2. The foamed polyvinyl chloride layered article of claim 1, wherein: the bottom layer also contains 2 to 5 weight parts of a lubricant; the surface layer further contains 2 to 5 parts by weight of a slip agent.
3. The foamed polyvinyl chloride layered article of claim 2 wherein the plasticizer is selected from the group consisting of phthalate, phenylbutyl phthalate, diisodecyl phthalate, diisononyl phthalate, dioctyl phthalate, dibutyl phthalate, di (2-ethylhexyl) phthalate, isophthalate, terephthalate, trimellitate, benzoate, pyromellitate, tetrahydrophthalate, and hexahydrophthalate; the filler is selected from the group consisting of silica, clay, titanium dioxide, talc, calcium carbonate, and calcined kaolin; the slip agent is selected from the group consisting of butyl stearate, lauryl alcohol, stearyl alcohol, epoxidized soybean oil, glycerol monostearate, stearic acid, and bisamides.
4. The foamed polyvinyl chloride layered article according to claim 1 or 2, wherein the powdered heat stabilizer is selected from the group consisting of zinc stearate, barium stearate, calcium stearate, and calcium-zinc complex stabilizers; the liquid heat stabilizer is stearic acid or epoxidized soybean oil.
5. The laminated foamed polyvinyl chloride article according to claim 1 or 2, wherein the substrate is a single substrate or a substrate in which a plurality of layers are stacked in sequence; the surface layer is a single surface layer or a surface layer formed by stacking a plurality of layers in sequence.
6. A method for manufacturing a foamed polyvinyl chloride layered product, comprising the steps of:
mixing a base material, wherein the base material comprises 100 parts by weight of polyvinyl chloride resin, 25-140 parts by weight of plasticizer, 0-50 parts by weight of filler, 0.1-15 parts by weight of powder heat stabilizer and 0.1-40 parts by weight of foaming agent;
mixing a surface material, wherein the surface material comprises 100 parts by weight of polyvinyl chloride resin, 25 to 140 parts by weight of plasticizer, 0 to 50 parts by weight of filler, 0.1 to 15 parts by weight of liquid heat stabilizer, 0.5 to 30 parts by weight of colored sand, 0 to 40 parts by weight of foaming agent and 0 to 50 parts by weight of flame retardant;
mixing the base material by a planet extruder, and then calendering to prepare at least one bottom layer;
mixing the surface material by a planetary extruder, and then calendering to prepare at least one surface layer;
attaching the at least one bottom layer and the at least one surface layer to form a to-be-foamed layered object; and
and foaming the layered object to be foamed to form the foamed polyvinyl chloride layered product.
7. The method of claim 6, wherein the base material further comprises 2 to 5 parts by weight of a slip agent; the surface material further comprises 2 to 5 parts by weight of a lubricant.
8. The method of claim 7, wherein the step of mixing the base material comprises: firstly, mixing and stirring polyvinyl chloride resin, plasticizer, powdery heat stabilizer, filler and lubricant for a preset time, and then adding foaming agent for continuous stirring; wherein the step of mixing the surface material is: firstly, mixing and stirring polyvinyl chloride resin, plasticizer, powdery heat stabilizer, filler and lubricant for a preset time, then adding foaming agent and continuously stirring.
9. The method for producing a foamed polyvinyl chloride layered product as claimed in any one of claims 6 to 8, wherein the bed material is stirred at a high speed after the foaming agent is charged, and the stirring is stopped and the bed material is cooled when the temperature of the bed material reaches 120 ℃; wherein, the surface material is stirred at high speed after the foaming agent is added, and the stirring is stopped when the temperature of the bottom material reaches 120 ℃, and the surface material is cooled.
10. The method of claim 6, wherein the base material is prepared by mixing the raw materials in a planetary extruder, then gelling and mixing the mixture in a roller mill, and then calendering the mixture in a calender; the surface material is prepared by mixing the materials by a planetary extruder, gelatinizing and mixing the materials by a rolling machine, and then rolling the materials by a rolling machine to prepare the surface layer; wherein the working temperature of the planetary extruder is more than 200 ℃, the working temperature of the rolling wheel machine is more than 180 ℃, and the rolling temperature of the rolling machine is 160-210 ℃.
11. The method of claim 6, wherein said calendering to form at least one substrate further comprises: rolling to form a bottom layer formed by stacking a plurality of layers in sequence; the step of calendering to form at least one skin layer further comprises: rolling to form a surface layer with multiple layers stacked in sequence.
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| CN112919926A (en) * | 2021-02-04 | 2021-06-08 | 安徽森泰木塑科技地板有限公司 | Light stone-plastic floor |
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