CN107892886A - PUR and preparation method and application, thermal shrinkable sleeve - Google Patents
PUR and preparation method and application, thermal shrinkable sleeve Download PDFInfo
- Publication number
- CN107892886A CN107892886A CN201711245275.1A CN201711245275A CN107892886A CN 107892886 A CN107892886 A CN 107892886A CN 201711245275 A CN201711245275 A CN 201711245275A CN 107892886 A CN107892886 A CN 107892886A
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- China
- Prior art keywords
- pur
- vinyl acetate
- resin
- bitumastic
- thermoplastic resin
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- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 229920005989 resin Polymers 0.000 claims abstract description 67
- 239000011347 resin Substances 0.000 claims abstract description 67
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 50
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 33
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 29
- 239000000945 filler Substances 0.000 claims abstract description 28
- 239000000155 melt Substances 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000007493 shaping process Methods 0.000 claims abstract description 9
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 86
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 82
- 239000004698 Polyethylene Substances 0.000 claims description 67
- -1 polyethylene Polymers 0.000 claims description 46
- 229920001568 phenolic resin Polymers 0.000 claims description 33
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 32
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 31
- 238000005260 corrosion Methods 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 30
- 229920000573 polyethylene Polymers 0.000 claims description 29
- 239000005011 phenolic resin Substances 0.000 claims description 24
- 229920002367 Polyisobutene Polymers 0.000 claims description 22
- 239000010426 asphalt Substances 0.000 claims description 22
- 229920005549 butyl rubber Polymers 0.000 claims description 20
- 230000008929 regeneration Effects 0.000 claims description 19
- 238000011069 regeneration method Methods 0.000 claims description 19
- 229920003244 diene elastomer Polymers 0.000 claims description 18
- 239000003292 glue Substances 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 18
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 15
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 15
- 150000003505 terpenes Chemical class 0.000 claims description 15
- 235000007586 terpenes Nutrition 0.000 claims description 15
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 15
- 229920001577 copolymer Polymers 0.000 claims description 13
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 9
- GRWFGVWFFZKLTI-IUCAKERBSA-N (-)-α-pinene Chemical compound CC1=CC[C@@H]2C(C)(C)[C@H]1C2 GRWFGVWFFZKLTI-IUCAKERBSA-N 0.000 claims description 8
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 8
- 239000006229 carbon black Substances 0.000 claims description 7
- 239000003208 petroleum Substances 0.000 claims description 7
- 239000002530 phenolic antioxidant Substances 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- MVNCAPSFBDBCGF-UHFFFAOYSA-N alpha-pinene Natural products CC1=CCC23C1CC2C3(C)C MVNCAPSFBDBCGF-UHFFFAOYSA-N 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
- 235000019260 propionic acid Nutrition 0.000 claims description 4
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 4
- GRWFGVWFFZKLTI-UHFFFAOYSA-N rac-alpha-Pinene Natural products CC1=CCC2C(C)(C)C1C2 GRWFGVWFFZKLTI-UHFFFAOYSA-N 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 claims description 2
- 238000007670 refining Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 12
- 230000002421 anti-septic effect Effects 0.000 abstract description 11
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 5
- 239000007858 starting material Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 19
- 239000010959 steel Substances 0.000 description 19
- 239000011295 pitch Substances 0.000 description 14
- 229940117958 vinyl acetate Drugs 0.000 description 13
- 238000000034 method Methods 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 7
- 239000004703 cross-linked polyethylene Substances 0.000 description 7
- 229920003020 cross-linked polyethylene Polymers 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 238000004132 cross linking Methods 0.000 description 6
- BFMKFCLXZSUVPI-UHFFFAOYSA-N ethyl but-3-enoate Chemical compound CCOC(=O)CC=C BFMKFCLXZSUVPI-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000004593 Epoxy Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical compound C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- 229920001567 vinyl ester resin Polymers 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000000052 vinegar Substances 0.000 description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- CQOZJDNCADWEKH-UHFFFAOYSA-N 2-[3,3-bis(2-hydroxyphenyl)propyl]phenol Chemical compound OC1=CC=CC=C1CCC(C=1C(=CC=CC=1)O)C1=CC=CC=C1O CQOZJDNCADWEKH-UHFFFAOYSA-N 0.000 description 1
- VWGKEVWFBOUAND-UHFFFAOYSA-N 4,4'-thiodiphenol Chemical compound C1=CC(O)=CC=C1SC1=CC=C(O)C=C1 VWGKEVWFBOUAND-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- ACOGMWBDRJJKNB-UHFFFAOYSA-N acetic acid;ethene Chemical compound C=C.CC(O)=O ACOGMWBDRJJKNB-UHFFFAOYSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000003260 anti-sepsis Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 235000019241 carbon black Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920000891 common polymer Polymers 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- BXKDSDJJOVIHMX-UHFFFAOYSA-N edrophonium chloride Chemical compound [Cl-].CC[N+](C)(C)C1=CC=CC(O)=C1 BXKDSDJJOVIHMX-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- LCDFWRDNEPDQBV-UHFFFAOYSA-N formaldehyde;phenol;urea Chemical compound O=C.NC(N)=O.OC1=CC=CC=C1 LCDFWRDNEPDQBV-UHFFFAOYSA-N 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012761 high-performance material Substances 0.000 description 1
- 125000000687 hydroquinonyl group Chemical class C1(O)=C(C=C(O)C=C1)* 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000005002 naphthylamines Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C09J123/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C09J123/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
- C08L2207/24—Recycled plastic recycling of old tyres and caoutchouc and addition of caoutchouc particles
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of PUR and preparation method and application, thermal shrinkable sleeve, PUR is mainly made up of following components in percentage by weight：Bitumastic：30~80%；Thermoplastic resin：15~50%；Tackifying resin：5~40%；Antioxidant：0~5%；Filler：0~20%；Wherein, the melt index of thermoplastic resin is 0.5~23g/10min.The preparation method of PUR includes taking formula content of starting materials, and heating is kneaded, and cooling, shaping, produces.The present invention alleviate existing PUR bond poor performance, narrow application range, it is not low temperature resistant the problems such as.PUR of the present invention uses melt index to be prepared for 0.5~23g/10min thermoplastic resin with components such as bitumastic, tackifying resins, has outstanding high and low temperature resistance, sealing property and antiseptic effect.Meanwhile PUR of the present invention preparation method it is easy to operation and control, energy consumption is small, cost is low, is easy to large-scale production.
Description
Technical field
The present invention relates to field of adhesive technology, in particular to a kind of PUR and preparation method and application, heat
Contracting set.
Background technology
As the transport vehicle of medium and the critical facility of ground surface works, buried pipeline is connection upstream and downstream client
Tie, have the function that in economic development important.However, over time, extraneous soil characteristic and landform sedimentation etc.
The influence of factor, burn into perforation, leakage etc. may occur because being embedded in underground for a long time for pipeline destroys, and may cause huge warp
Ji loss and the environmental disruption of unrepairable.Therefore, the safety of big-and-middle-sized long-distance transport pipes and resident living urban pipe network
Government and the concern of scientific research personnel are increasingly subject to, the sealing of steel pipe and affiliated facility and etch-proof high performance material turn into
Important field of research.Wherein, PUR has excellent combination property as anti-corrosion and encapsulant, is widely used in stone
The buried steel pipes such as plumbing and coal gas conveying in oil, natural gas, chemical industry, urban construction.
The initial stage eighties, the buried oil in China, the anti-corrosion of feed channel start to use heat shrinking sleeve technology.It is more universal at present
Thermal shrinkable sleeve is with polyethylene (polyethylene, PE) or crosslinked polyethylene (crosslinked polyethylene, XLPE)
Anticorrosive coat is coated at tubing repaired mouth for the cladding steel Manifold technology that base material, PUR are adhesive, during use, made by heating
XLPE and PUR melting, orientation XLPE shrink, and PUR is close at joint coating on pipeline, play sealing and antisepsis.Should
Technology has remarkable antiseptic property, steam-resistant or moisture vapor transmission properties, physics and chemical stability, and anticorrosion process connects
It is continuous, economical rationality, pitch glass cloth aseptic technic is instead of rapidly.It requires that PUR need to have following performance simultaneously：
(1) have to non-polar substrate (PE or XLPE) and polar substrates (steel pipe) preferable cohesive force (higher stripping,
Failure by shear intensity), anticorrosive coat will not fall off during ensureing pipeline use；
(2) mechanical application can be carried out by requiring that it is melted under less than PE shrinkage temperatures；With PE during higher than PE shrinkage temperatures
The bonding realized to steel pipe and PE is shunk, realizes sealing corrosion purpose；
(3) PUR should have preferable sealing, corrosion-resistant, temperature tolerance and good elasticity and toughness.
However, traditional PUR is usually to be made up of thermoplastic, heat resistance and organic solvent-borne are poor, adhesion strength
Low, its application is restricted.According to different use environment and weather, there is different requirements to the heat resistance of PUR：
The high region such as desert equitemperature, it is desirable to which PUR heat-resisting quantity ensures well the adhesion strength under high temperature；But in High aititude and
High latitudes then require resistance to low temperature, ensure low-temperature flexibility and adhesion strength.Therefore developing one kind has resistant of high or low temperature
The PUR of energy has important social benefit.
In view of this, it is special to propose the present invention.
The content of the invention
An object of the present invention is to provide a kind of PUR, and the PUR uses melt index as 0.5~23g/
10min thermoplastic resin is prepared with components such as bitumastic, tackifying resins, have outstanding high and low temperature resistance,
Sealing property and antiseptic effect.
The second object of the present invention is to provide a kind of preparation method of above-mentioned PUR, using heating mixing method, is easy to
Operation and control, energy consumption is small, cost is low, it is easy to accomplish large-scale production, is advantageous to popularization and application.
The third object of the present invention is in the answering in thermal shrinkable sleeve and/or pyrocondensation belt is prepared in a kind of above-mentioned PUR of offer
With.
The fourth object of the present invention is to provide a kind of thermal shrinkable sleeve and/or pyrocondensation belt, including base material and above-mentioned PUR have
Have and possess outstanding high and low temperature resistance, sealing with above-mentioned PUR identical advantage, obtained thermal shrinkable sleeve and/or pyrocondensation belt
Energy and antiseptic effect.
In order to realize the above-mentioned purpose of the present invention, spy uses following technical scheme：
In a first aspect, the invention provides a kind of PUR, mainly it is made up of following components in percentage by weight：
Bitumastic：30~80%；
Thermoplastic resin：15~50%；
Tackifying resin：5~40%；
Antioxidant：0~5%；
Filler：0~20%；
Wherein, the melt index of the thermoplastic resin is 0.5~23g/10min.
Preferably, on the basis of technical solution of the present invention, the melt index of the thermoplastic resin is 0.5~5g/
10min；
Preferably, the melt index of the thermoplastic resin is 1.8~2.2g/10min；
Preferably, the melt index of the thermoplastic resin is 2g/10min.
Further, on the basis of technical solution of the present invention, the thermoplastic resin includes polyethylene and ethyl vinyl acetate
Vinyl ester copolymers/maleated ethylene vinyl acetate copolyme；
Preferably, the PUR is mainly made up of following components in percentage by weight：
Bitumastic：30~60%；
Polyethylene：5~15%；
Ethylene-vinyl acetate copolymer/maleated ethylene vinyl acetate copolyme：15~35%；
Tackifying resin：5~40%；
Antioxidant：0~5%；
Filler：0~20%；
It is further preferred that the PUR is mainly made up of following components in percentage by weight：
Bitumastic：30~60%；
Polyethylene：10~15%；
Ethylene-vinyl acetate copolymer/maleated ethylene vinyl acetate copolyme：20~35%；
Tackifying resin：10~25%；
Antioxidant：0~5%；
Filler：0~20%.
Preferably, on the basis of technical solution of the present invention, the softening point of the polyethylene is 55~90 DEG C, the second
The vinyl acetate content of alkene-vinyl acetate co-polymer/maleated ethylene vinyl acetate copolyme be 15~
40wt%, the dimension card softening of the ethylene-vinyl acetate copolymer/maleated ethylene vinyl acetate copolyme
Temperature is 40~70 DEG C；
Preferably, the softening point of the polyethylene is 65~75 DEG C, the ethylene-vinyl acetate copolymer/maleic acid
The vinyl acetate content of acid anhydride grafted ethene-vinyl acetate co-polymer is 15~25wt%, the ethylene-vinyl acetate copolymerization
The vicat softening temperature of thing/maleated ethylene vinyl acetate copolyme is 52~60 DEG C.
Preferably, on the basis of technical solution of the present invention, the bitumastic is mainly by following percentage by weight
Component mixes：
Butyl rubber/isobutene-diene rubber regeneration：20~50%；
Polyisobutene：5~30%；
Anti-corrosion asphalt：20~45%；
Rosin or terpene resin：10~30%；
Preferably, the bitumastic is mainly mixed by following components in percentage by weight：
Butyl rubber/isobutene-diene rubber regeneration：35~50%；
Polyisobutene：5~15%；
Anti-corrosion asphalt：20~45%；
Rosin or terpene resin：15~25%.
Preferably, on the basis of technical solution of the present invention, the number-average molecular weight of the polyisobutene for 200~
600000, it is preferable that the number-average molecular weight of the polyisobutene is 200-10000 or 75000-600000；
Preferably, the anti-corrosion asphalt is that methyl solidifies pitch；Preferably, the anti-corrosion asphalt is No. 10 building oil drips
It is blue or green.
Preferably, on the basis of technical solution of the present invention, the tackifying resin is selected from phenolic resin, modified alkyl phenol
One kind or at least two combination in formaldehyde resin, terpene resin or α pinene resin；Preferably, the tackifying resin is selected from
Phenolic resin or modified alkyl phenol formaldehyde resin；
Preferably, the softening point of the tackifying resin is 80~150 DEG C；Preferably, the softening point of the tackifying resin is
85~95 DEG C or 110~120 DEG C；
Preferably, the antioxidant is selected from phenolic antioxidant or amine antioxidants；Preferably, the phenolic antioxidant is four
[β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester；
Preferably, the combination of the one kind or at least two of the filler in carbon black, calcium carbonate or talcum powder.
Second aspect, the invention provides a kind of preparation method of above-mentioned PUR, comprise the following steps：
Bitumastic, thermoplastic resin, optionally tackifying resin, antioxidant and optionally filler are measured by formula, is added
Hot milling, cooling, shaping, is produced；
Preferably, on the basis of technical solution of the present invention, heat mixing temperature be 130~180 DEG C, preferably 130~
160 DEG C, further preferred 140~160 DEG C.
The third aspect, the invention provides a kind of application of above-mentioned PUR in thermal shrinkable sleeve and/or pyrocondensation belt is prepared.
Fourth aspect, the invention provides a kind of thermal shrinkable sleeve and/or pyrocondensation belt, including base material and above-mentioned PUR.
Compared with the prior art, the present invention has the advantages that：
(1) PUR of the invention is used as former using thermoplastic resin of the melt index in the range of 0.5~23g/10min
Material, and by the mutual cooperation with the raw material components such as bitumastic, tackifying resin, high and low temperature resistance, sealing can be obtained
Performance and the outstanding PUR of antiseptic effect, PUR meet standard GB/T/T23257-2009 requirements, to PE, hand over
Join that PE, steel, the adhesion strength of the material such as epoxy primer are high, to the peel strength of steel up to 166N/cm, antiseptic effect at 23 DEG C
Good, shear strength is up to more than 1.5MPa, it is not easy to causes the damage of PUR glue-line, service life length；PUR softening point>
150 DEG C, brittle temperature<- 20 DEG C, there is wider use temperature range, the stable performance under low temperature, one side brittle temperature
Low, viscosity intensity on the other hand at low temperature is high, is advantageous to expand its application field；To steel pipe when being constructed using the PUR
Surface treatment require low, it is easy to utilize.
(2) PUR of the present invention preparation method using heating mixing method, easy to operate, energy consumption is small, cost is low, without
More investments are spent in terms of production equipment, it is easy to accomplish large-scale production, be advantageous to promote developing for the industry.
Embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the present invention.It is unreceipted specific in embodiment
Condition person, the condition suggested according to normal condition or manufacturer are carried out.Agents useful for same or the unreceipted production firm person of instrument, it is
The conventional products that can be obtained by commercially available purchase.
According to the first aspect of the invention, there is provided a kind of PUR, mainly by following components in percentage by weight system
Into：
Bitumastic：30~80%；
Thermoplastic resin：15~50%；
Tackifying resin：5~40%；
Antioxidant：0~5%；
Filler：0~20%；
Wherein, the melt index of the thermoplastic resin is 0.5~23g/10min.
Using PUR as calculating benchmark, PUR of the present invention includes 30~80wt% bitumastic, 15~50wt%
Melt index for 0.5~23g/10min thermoplastic resin, 5~40wt% tackifying resin, 0~5wt% antioxidant with
And 0~20wt% filler.
PUR is a kind of adhesive of plasticity, and its physical state changes and changed with temperature in certain temperature range
Become, be solid-state under normal temperature, heating is molten to the liquid that certain temperature is changed into flowing and has certain viscosity.
Bitumastic
Bitumastic abbreviation S glue, is not construed as limiting to the source of bitumastic, can use commercially available bitumastic
Or bitumastic is voluntarily prepared using raw materials such as pitches.
The typical but non-limiting percentage by weight of bitumastic, for example, 30%, 32%, 34%, 36%, 38%,
40%th, 42%, 44%, 46%, 48%, 50%, 52%, 54%, 56%, 58%, 60%, 62%, 64%, 66%, 68%,
70%th, 72%, 74%, 76%, 78% or 80%.
Bitumastic has excellent mobility and low-temperature stabilization performance, using bitumastic as main component, has
The PUR good beneficial to low-temperature stability is obtained.
Thermoplastic resin
Typical but non-limiting thermoplastic resin, for example, polyethylene (polyethylene, abbreviation PE), ethene-vinegar
Vinyl acetate copolymer (ethylene-vinyl acetate copolymer, abbreviation EVA), the ethyl vinyl acetate of graft modification
It is vinyl ester copolymers, polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS), polyamide (PA), polyformaldehyde (POM), poly-
Carbonic ester (PC), polyphenylene oxide, polysulfones or rubber etc..
The present invention uses thermoplastic resin of the melt index for 0.5~23g/10min.
Melt index is also referred to as melt flow rate or melt flow rate (MFR), ASTM D1238 or GB/T3682 can be used to determine.
The typical but non-limiting melt index of thermoplastic resin, for example, 0.5g/10min, 1g/10min, 2g/
10min、4g/10min、5g/10min、6g/10min、8g/10min、10g/10min、12g/10min、14g/10min、15g/
10min, 16g/10min, 18g/10min, 20g/10min, 22g/10min or 23g/10min.
Found through experiment, the melt index of thermoplastic resin has important to the adhesion strength and low-temperature stability of PUR
Influence, using PUR made from the thermoplastic resin of different melt index in adhesion strength and low-temperature stability have it is poor
It is different, it can obtain adhesion strength and low temperature by selecting melt index to be used as raw material in 0.5~23g/10min thermoplastic resin
The outstanding PUR of performance for stability.
The typical but non-limiting percentage by weight of thermoplastic resin, for example, 15%, 16%, 17%, 18%, 19%,
20%th, 22%, 24%, 26%, 28%, 30%, 32%, 34%, 36%, 38%, 40%, 42%, 44%, 46%, 48% or
50%.
The dosage of thermoplastic resin is unreasonable, then does not reach national standard, or and metal with the peel strength of polyethylene base material
Viscosity can reduce.
Tackifying resin
Tackifying resin is to refer to improve elastomeric material viscosity, the especially micromolecular compound of surface viscosity, including day
Right resinoid and synthesis resinoid, the present invention is not defined to the type of tackifying resin, using known to those skilled in the art
Tackifying resin, also include modified tackifying resin.
Typical but non-limiting tackifying resin, for example, phenolic resin, modified alkyl phenol formaldehyde resin, terpenes tree
Fat, α pinene resin, rosin, rosin, hydrogenated rosin phenol, Petropols or two rings defend diene series Petropols etc..
The typical but non-limiting percentage by weight of tackifying resin, for example, 5%, 6%, 7%, 8%, 9%, 10%,
12%th, 14%, 16%, 18%, 20%, 22%, 24%, 26%, 28%, 30%, 32%, 34%, 36%, 38% or 40%.
The dosage of tackifying resin is unreasonable, it is impossible to and bitumastic, thermoplastic resin are well matched with to be peeled off
Intensity and the high PUR of shear strength.
Antioxidant
Antioxidant can delay or suppress the progress of polymer oxidizing process, so as to prevent the aging of polymer and extend it
Service life.
Typical but non-limiting antioxidant, for example, phenolic antioxidant, such as hydroquinones, thiobisphenol, triphenol etc.,
Or amine antioxidants, such as naphthylamines, diphenylamines, p-phenylenediamine etc..
The typical but non-limiting weight percentage of antioxidant, for example, 0%, 1%, 2%, 3%, 4% or 5%.
Antioxidant can be added selectively, and by adding the antioxidant of certain content, it is strong can further to improve its shearing
Degree, extend the service life of PUR.
Filler
Typical but non-limiting filler, for example, diatomite, kaolin, carbon black, calcium carbonate or talcum powder etc..
The typical but non-limiting percentage by weight of filler, for example, 0%, 2%, 4%, 6%, 8%, 10%, 12%,
14%th, 16%, 18% or 20%.
Filler can be added selectively, and cost can be reduced by introducing filler, but need ratio suitable, otherwise peel strength without
Method is up to standard.
" mainly by " of the present invention, it is intended that the component of PUR is except bitumastic, thermoplastic resin and thickening tree
Outside fat, other components can also be included, these other components assign the PUR different characteristics.In addition, it is of the invention
Described " mainly by ", may be replaced by enclosed " for " or " by ... form ".
For example, PUR can also include the other components such as antioxidant and filler.
It is poor that traditional PUR bonds poor performance, heat resistance and organic solvent-borne, narrow application range, not low temperature resistant.
The present invention PUR using melt index 0.5~23g/10min thermoplastic resin as raw material, help to obtain
The PUR that adhesion strength is high, high and low temperature resistance is good is obtained, passes through the thermoplastic resin that melt index is 0.5~23g/10min
With the mutual cooperation between the component such as bitumastic, tackifying resin, the PUR combination property of acquisition is outstanding, PUR and steel
Adhesion strength under high/low temperature of pipe and various conventional anti-corrosion base materials is all higher, to the peel strength of steel up to 166N/ at 23 DEG C
Cm, shear strength favorable anti-corrosion effect, service life length, meet Standard, and PUR softening point temperature up to more than 1.5MPa
Degree is high, and brittle temperature is low, and the scope of application is wide, and heat resistance and resistance to low temperature are good, is advantageous to expand its application field.
In a preferred embodiment, the melt index of thermoplastic resin is 0.5~5g/10min；
Preferably, the melt index of thermoplastic resin is 1.8~2.2g/10min；
Preferably, the melt index of thermoplastic resin is 2g/10min.
By the further selection to thermoplastic resin melt index, adhesion strength can be obtained and low-temperature stability is higher
PUR.
In a preferred embodiment, thermoplastic resin include polyethylene and ethylene-vinyl acetate copolymer/
Maleated ethylene vinyl acetate copolyme.
"/" in ethylene-vinyl acetate copolymer/maleated ethylene vinyl acetate copolyme, represent
"and/or", i.e. "or", " and " the meaning；That is, ethylene-vinyl acetate copolymer/maleic anhydride grafted ethene-vinegar
Vinyl acetate copolymer, refer to ethylene-vinyl acetate copolymer or maleated ethylene vinyl acetate copolyme,
Or the combination of ethylene-vinyl acetate copolymer and maleated ethylene vinyl acetate copolyme.
Thermoplastic resin includes polyethylene and ethylene-vinyl acetate copolymer/maleic anhydride grafted ethene-acetic acid second
Enoate copolymer, refer to that thermoplastic resin includes polyethylene and ethylene-vinyl acetate copolymer, or, thermoplastic resin includes
Polyethylene and maleated ethylene vinyl acetate copolyme, or, thermoplastic resin include polyethylene, ethyl vinyl acetate second
Enoate copolymer and maleated ethylene vinyl acetate copolyme.
Considering based on peel strength and shear strength, selection include polyethylene, ethylene-vinyl acetate copolymer
And/or maleated ethylene vinyl acetate copolyme can be obtained and peeled off by force with more excellent as thermoplastic resin
The PUR of degree and shear strength.
In a preferred embodiment, PUR is mainly made up of following components in percentage by weight：
Bitumastic：30~60%；
Polyethylene：5~15%；
Ethylene-vinyl acetate copolymer/maleated ethylene vinyl acetate copolyme：15~35%；
Tackifying resin：5~40%；
Antioxidant：0~5%；
Filler：0~20%.
Using PUR as calculating benchmark, preferably thermosol formula includes 30~60wt% bitumastic, 5~15wt%
Polyethylene, 15~35wt% ethylene-vinyl acetate copolymer and/or maleic anhydride grafted ethene-vinylacetate it is common
Polymers, 5~40wt% tackifying resin, 0~5wt% antioxidant and 0~20wt% filler.
The typical but non-limiting percentage by weight of polyethylene, for example, 5%, 6%, 7%, 8%, 9%, 10%, 11%,
12%th, 13%, 14% or 15%.
The weight percent of ethylene-vinyl acetate copolymer and/or maleated ethylene vinyl acetate copolyme
Than for 15~35%, referring to when with ethylene-vinyl acetate copolymer, its weight account for the percentage of PUR weight for 15~
35%；When with maleated ethylene vinyl acetate copolyme, its weight account for the percentage of PUR weight for 15~
35%；When with ethylene-vinyl acetate copolymer and maleated ethylene vinyl acetate copolyme, ethyl vinyl acetate
The summation of vinyl ester copolymers and maleated ethylene vinyl acetate copolyme weight accounts for the percentage of PUR weight
For 15~35%.
Ethylene-vinyl acetate copolymer and/or maleated ethylene vinyl acetate copolyme is typical but non-limit
The percentage by weight of property processed, for example, 15%, 16%, 17%, 18%, 19%, 20%, 22%, 24%, 26%, 28%,
30%th, 32% or 35%.
Using 30~60wt% bitumastic, 5~15wt% polyethylene, 15~35wt% ethyl vinyl acetate second
Enoate copolymer and/or maleated ethylene vinyl acetate copolyme, 5~40wt% tackifying resin, 0~5wt%
Antioxidant and 0~20wt% filler made from PUR low-temperature stability and adhesion strength it is higher.
Further preferably, PUR is mainly made up of following components in percentage by weight：
Bitumastic：30~60%；
Polyethylene：10~15%；
Ethylene-vinyl acetate copolymer/maleated ethylene vinyl acetate copolyme：20~35%；
Tackifying resin：10~25%；
Antioxidant：0~5%；
Filler：0~20%.
By further optimizing polyethylene and ethylene-vinyl acetate copolymer/maleic anhydride grafted ethene-vinyl acetate
The content and proportion relation of ester copolymer, low-temperature stability and adhesion strength more preferably PUR can be obtained.
Preferably, polyethylene and ethylene-vinyl acetate copolymer/maleic anhydride grafted ethene-vinyl acetate copolymerized
The melt index of thing is 0.5~23g/10min, preferably 0.5~5g/10min, further preferred 1.8~2.2g/10min, more
Further preferred 2g/10min.
In a preferred embodiment, the softening point of polyethylene is 55~90 DEG C, ethylene-vinyl acetate copolymerization
The vinyl acetate content of thing/maleated ethylene vinyl acetate copolyme is 15~40wt%, ethene-vinyl acetate
The vicat softening temperature of ester copolymer/maleated ethylene vinyl acetate copolyme is 40~70 DEG C；
Preferably, the softening point of polyethylene is 65~75 DEG C, ethylene-vinyl acetate copolymer/maleic anhydride grafting second
The vinyl acetate content of alkene-vinyl acetate co-polymer is 15~25wt%, ethylene-vinyl acetate copolymer/maleic anhydride
The vicat softening temperature of grafted ethene-vinyl acetate co-polymer is 52~60 DEG C.
Softening point is the temperature of material softening, generally refers to temperature when amorphous polymer starts to soften.Softening point
Ring and ball method can be used to determine.
The typical but non-limiting softening point of polyethylene, for example, 55 DEG C, 56 DEG C, 58 DEG C, 60 DEG C, 62 DEG C, 64 DEG C, 66
DEG C, 68 DEG C, 70 DEG C, 72 DEG C, 74 DEG C, 76 DEG C, 78 DEG C, 80 DEG C, 82 DEG C, 84 DEG C, 86 DEG C, 88 DEG C or 90 DEG C.
EVA/ maleic anhydrides grafting EVA in vinyl acetate weight (quality) degree, for example, 15%, 18%,
20%th, 22%, 25%, 30%, 32%, 34%, 35%, 36%, 38% or 40%.
Vicat softening temperature refers to that thermoplastic is put in liquid heat-transfer medium, in certain load and certain constant speed
Under Elevated Temperature Conditions, sample by 1 square millimeter indentor point be pressed into 1 millimeter when temperature, using ASTM D1525 determine, EVA/ horses
Maleic anhydride grafted EVA vicat softening temperature, for example, 40 DEG C, 42 DEG C, 44 DEG C, 46 DEG C, 48 DEG C, 50 DEG C, 52 DEG C, 54 DEG C, 56
DEG C, 58 DEG C, 60 DEG C, 62 DEG C, 64 DEG C, 66 DEG C, 68 DEG C or 70 DEG C.
Using the ethyl vinyl acetate second of the polyethylene of different softening point and different vinyl acetate contents and vicat softening temperature
The peel strength for the PUR that enoate copolymer obtains and shear strength are different, by select specific softening point polyethylene and
The EVA of vinyl acetate content and vicat softening temperature can obtain the higher PUR of adhesion strength.
In a preferred embodiment, bitumastic is mainly mixed by following components in percentage by weight：
Butyl rubber/isobutene-diene rubber regeneration：20~50%；
Polyisobutene：5~30%；
Anti-corrosion asphalt：20~45%；
Rosin or terpene resin：10~30%.
Using bitumastic as calculating benchmark, bitumastic includes 20~50wt% butyl rubber/regenerated butyl rubber
Glue, 5~30wt% polyisobutene, 20~45wt% anti-corrosion asphalt and 10~30wt% rosin or terpene resin.
"/" in butyl rubber/isobutene-diene rubber regeneration, represent "and/or", i.e., "or", " and " the meaning；That is,
Butyl rubber/isobutene-diene rubber regeneration, refer to butyl rubber or isobutene-diene rubber regeneration, or the group of butyl rubber and isobutene-diene rubber regeneration
Close.
The percentage by weight of butyl rubber/isobutene-diene rubber regeneration is 20~50%, is referred to when with butyl rubber, its weight accounts for
The percentage of bitumastic weight is 20~50%；When with isobutene-diene rubber regeneration, its weight accounts for bitumastic weight
Percentage is 20~50%；When with butyl rubber and isobutene-diene rubber regeneration, butyl rubber and isobutene-diene rubber regeneration weight it is total
It is 20~50% with the percentage for accounting for bitumastic weight.
The typical but non-limiting percentage by weight of butyl rubber/isobutene-diene rubber regeneration, for example, 20%, 22%, 24%,
26%th, 28%, 30%, 32%, 34%, 36%, 38%, 40%, 42%, 44%, 46%, 48% or 50%.
The typical but non-limiting percentage by weight of polyisobutene, for example, 5%, 6%, 7%, 8%, 9%, 10%,
12%th, 14%, 16%, 18%, 20%, 22%, 24%, 26%, 28% or 30%.
Anti-corrosion asphalt is the pitch used as anti-corrosion.Typical anti-corrosion asphalt, for example, methyl solidify pitch, and methyl coagulates
Gu pitch refers to the building petroleum asphalt for providing and/or defining in Chinese Industrial Standards (CIS) GB/T 494-2010, such as：No. 10 paring stones
Oil asphalt, No. 30 building petroleum asphalts, No. 40 building petroleum asphalts etc..
Preferably, anti-corrosion asphalt is that methyl solidifies pitch；Preferably, the anti-corrosion asphalt is No. 10 building petroleum asphalts.
The typical but non-limiting percentage by weight of anti-corrosion asphalt, for example, 20%, 22%, 24%, 26%, 28%,
30%th, 32%, 34%, 36%, 38%, 40%, 42%, 44% or 45%.
Rosin or the typical but non-limiting percentage by weight of terpene resin, for example, 10%, 12%, 14%, 16%,
18%th, 20%, 22%, 24%, 26%, 28% or 30%.
The composition of pitch horseshoe fat is most important to the performance of PUR, from 20~50wt% butyl rubber/regeneration
Butyl rubber, 5~30wt% polyisobutene, 20~45wt% anti-corrosion asphalt and 10~30wt% rosin or terpene resin
The bitumastic of composition can improve the low temperature flow of PUR, and with PE, XLPE, epoxy primer shrinkage temperature
Match somebody with somebody, better seal anti-corrosion can be realized.
Preferably, bitumastic is mainly mixed by following components in percentage by weight：
Butyl rubber/isobutene-diene rubber regeneration：35~50%；
Polyisobutene：5~15%；
Anti-corrosion asphalt：20~45%；
Rosin or terpene resin：15~25%.
By optimizing bitumastic each component proportion relation, low temperature flow can be obtained and anti-corrosive properties preferably heat
Glue.
Preferably, the number-average molecular weight of polyisobutene is 200~600000, it is preferable that the number of the polyisobutene is divided equally
Son amount is 200-10000 or 75000-600000.
Polyisobutene number-average molecular weight, for example, 200,500,1000,2000,3000,4000,5000,6000,7000,
8000th, 9000,10000,75000,80000,100000,200000,300000,400000,500000 or 600000.
PUR performance is good made of the bitumastic obtained from the polyisobutene of specified molecular weight, low temperature flow
It is good with antiseptic property.
In a preferred embodiment, tackifying resin is selected from phenolic resin, modified alkyl phenol formaldehyde resin, terpenes
One kind or at least two combination in resin or α pinene resin；Preferably, tackifying resin is selected from phenolic resin or modified alkane
Base phenol formaldehyde resin.
Typical phenolic resin, for example, octyl phenolic or terpene phenolic resin.Modified alkyl phenol formaldehyde resin
It is a kind of phenolic resin of modification, such as Sheng Lai Coulter Corp of U.S. T6000.
Select peel strength and the shear strength of the PUR that different tackifying resins obtains different, select phenolic resin or
The peel strength and shear strength for the PUR that phenol-formaldehyde resin modified obtains are higher.
Preferably, the softening point of tackifying resin is 80~150 DEG C；Preferably, the softening point of tackifying resin is 85~95 DEG C
Or 110~120 DEG C.
The softening point of tackifying resin, for example, 80 DEG C, 85 DEG C, 90 DEG C, 95 DEG C, 110 DEG C, 115 DEG C or 120 DEG C.
Peel strength and shearing can be obtained by using the tackifying resin (such as phenolic resin) of specific softening point range
The more preferable PUR of the combination properties such as intensity.
In a preferred embodiment, antioxidant is selected from phenolic antioxidant or amine antioxidants；Preferably, phenols resists
Oxygen agent is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters.
In a preferred embodiment, the one kind or at least two of filler in carbon black, calcium carbonate or talcum powder
Combination.
By the selection to antioxidant and packing material, the combination property that can further optimize PUR is (anti-aging, strong
Degree) and cost.
According to the second aspect of the invention, there is provided a kind of preparation method for stating PUR, comprise the following steps：
Bitumastic, thermoplastic resin, optionally tackifying resin, antioxidant and optionally filler are measured by formula, is added
Hot milling, cooling, shaping, is produced.
According to formula, the finished product of pitch horseshoe fat or the constitutive material of pitch horseshoe fat are taken, with thermoplastic resin, thickening
Resin, optionally antioxidant and filler are kneaded, and are molded and are produced.
Mixing can be completed with a step, can also sequentially add different component substeps and be kneaded, such as：Thickening will first be removed
Other components beyond resin are kneaded certain time and then add tackifying resin and are kneaded, at utmost to activate PUR
Viscosity.
The preparation method of PUR of the present invention is easy to operate, and energy consumption is small, cost is low, without being spent more in terms of production equipment
More investments, it is easy to accomplish large-scale production, in addition, preparation method uses blending method, will not be to original bitumastic
Production technology brings very big influence, it is not necessary to new equipment investment.
In a preferred embodiment, the temperature for heating mixing is 130~180 DEG C, preferably 130~160 DEG C, enters one
Preferably 140~160 DEG C of step.
Typical but non-limiting heating melting temperature, for example, 130 DEG C, 140 DEG C, 150 DEG C, 160 DEG C, 170 DEG C or 180
℃。
Suitable temperature is advantageous to improve the toughness of PUR, and the time of mixing depends on the circumstances.
According to the third aspect of the present invention, there is provided a kind of above-mentioned PUR is in thermal shrinkable sleeve and/or pyrocondensation belt is prepared
Application.
PUR of the present invention is used to prepare in thermal shrinkable sleeve and/or pyrocondensation belt, can obtain thermal shrinkable sleeve and/or pyrocondensation belt
Outstanding adhesion strength, high and low temperature resistance, sealing property and antiseptic effect.
According to the fourth aspect of the present invention, there is provided a kind of thermal shrinkable sleeve and/or pyrocondensation belt, including base material and above-mentioned hot melt
Glue.
Thermal shrinkable sleeve and/or pyrocondensation belt, also referred to as heat shrinking sleeve, shrink belt, it is combined by PUR and base material, its
In, base material can be polyolefin, cross-linked polyolefin, silica gel, polyethylene terephthalate etc., can be used for growing defeated oil,
Natural gas steel pipe Crater antiseptic, pipeline network of fuel gas in city seam anti-corrosion, heat supply steel pipe seam anti-corrosion, running water pipe seam anti-corrosion, pipe
Sealing corrosion of road flange connecting portion etc..
Thermal shrinkable sleeve and/or pyrocondensation belt including PUR of the present invention solve that the high/low temperature scope of application is poor, poor performance at low temperatures
The problem of, show outstanding resistance to low temperature, high temperature bond power, sealing property and antiseptic effect.
PUR when in use, can use following methods：PUR is connected by being cold-pressed and drawing conveyer first
Continuous to be coated on cross-linked polyolefin (most commonly polyethylene) heat shrinking sleeve (band) base material, the base material has certain " memory effect
Should ", when constructing at the scene, the base material of PUR is scribbled using flame gun heating, when temperature is higher than base material heat shrink temperature,
With base material thermal contraction, PUR melting, so as to be cemented with steel pipe, reach sealing and corrosion-resistant effect.
In order to further appreciate that the present invention, the inventive method and effect are done with reference to specific embodiment further in detail
Explanation.Unreceipted actual conditions person in embodiment, the condition suggested according to normal condition or manufacturer are carried out.Agents useful for same or
The unreceipted production firm person of instrument, it is the conventional products that can be obtained by commercially available purchase.
The raw material information that embodiment is related to is as follows：
EVA(I)：Physical and chemical parameter is melt flow rate (ASTM D1238, also referred to as melt flow rate (MFR) or melt index) 23g/
10min, vinyl acetate content 18.5wt%, 54 DEG C of vicat softening temperature (ASTM D1525), ExxonMobil Products.
EVA(II)：Physical and chemical parameter is melt flow rate (ASTM D1238, also referred to as melt flow rate (MFR) or melt index)
2.0g/10min, vinyl acetate content 21wt%, 58 DEG C of vicat softening temperature (ASTM D1525), the production of ExxonMobil companies
Product.
PE (polyethylene)：Physical and chemical parameter is melt index (GB/T3682) 2.0g/10min, density (GB/T4472)
0.93g/cm3, 70 DEG C of softening point (GB/T1633).
Phenolic resin (I)：T6000, is a kind of phenolic resin of modification, also known as modified alkyl phenol formaldehyde resin, soft
Change 110~120 DEG C of point (ring and ball method), Sheng Lai Coulter Corp of U.S. product.
Phenolic resin (II)：SP1068, is a kind of pure phenolic resin, 85~95 DEG C of softening point (ring and ball method), and the U.S. is holy
Lay Coulter Corp product.
Polyisobutene PB1300：Number-average molecular weight is 1300.
The formula of S glue (bitumastic) used is in embodiment 1-9：By weight percentage, 23% butyl rubber；
26% polyisobutene PB1300；36% methyl solidification pitch (No. 10 building petroleum asphalts)；25% rosin.
Embodiment 1-3
Embodiment 1-3 formula such as table 1, preparation method is identical, is：
According to formula, take the constitutive material of S glue (bitumastic), with thermoplastic resin (PE, EVA (I), EVA (II)),
Tackifying resin (phenolic resin (I)), 8min or so is kneaded at 140 DEG C, mixing speed 60rpm, cooling, shaping, produces embodiment
1-3 PUR.
Table 1
| The percentage by weight of each composition, % | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| S glue | 40 | 59 | 50 |
| PE | 12 | 10 | 10 |
| EVA(I) | 30 | 20 | 0 |
| EVA(II) | 0 | 0 | 30 |
| Phenolic resin (I) | 18 | 11 | 10 |
PUR obtained by embodiment 1-3 and base material (for example, PE, crosslinking PE etc.) is compound, produce thermal shrinkable sleeve and/or heat
Contracting band.
The performance (the glue-line performance of thermal shrinkable sleeve and/or pyrocondensation belt) of embodiment 1-3 PURs is tested, performance parameter
Including peel strength, lap shear strength, softening point and brittle temperature etc., test device includes tensilon, Haake rheology
Instrument, asphalt softening point instrument, low-temperature test chamber etc., method of testing is with reference to GB/T23257-2009.Embodiment 1-3 test result is such as
Table 2.
Wherein, the value of peel strength is bigger, shows that PUR is more difficult to peel off with base material, illustrates bonding of the PUR to base material
Performance is better, also just can preferably completely cut off external environment condition so as to play antiseptic effect；
The value of lap shear strength is bigger, shows that the ability of anti-extraneous failure by shear is stronger, it is not easy to cause PUR glue
The damage of layer and/or thermal shrinkable sleeve, is advantageous to increase the service life；
Softening point and brittle temperature, together decide on the use temperature range of PUR and/or thermal shrinkable sleeve, and softening point is got over
Height, brittle temperature is lower, shows that the use temperature range of PUR and/or thermal shrinkable sleeve is wider, is advantageous to expand its application field.
Table 2
| Performance indications | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Peel strength (to PE) (23 DEG C), N/cm | 113 | 95 | 163 |
| Peel strength (to PE) (50 DEG C), N/cm | 55 | 50 | 80 |
| Peel strength (to steel) (23 DEG C), N/cm | 121 | 100 | 166 |
| Peel strength (to steel) (50 DEG C), N/cm | 60 | 52 | 78 |
| Peel strength (to epoxy primer) (23 DEG C), N/cm | 120 | 98 | 168 |
| Peel strength (to epoxy primer) (50 DEG C), N/cm | 60 | 55 | 84 |
| Lap shear strength (23 DEG C), MPa | 3 | 1.5 | 1.7 |
| Lap shear strength (50 DEG C), MPa | 1 | 0.65 | 0.6 |
| Ring and ball softening point, DEG C | >150 | >150 | >150 |
| Brittle temperature, DEG C | <-26 | <-30 | <-20 |
Embodiment 4-6
Embodiment 4-6 formula such as table 3, preparation method is identical, is：
According to formula, the constitutive material of S glue is taken, with thermoplastic resin (PE, EVA (I)), tackifying resin (phenolic resin
(I), phenolic resin (II)), filler (carbon black, calcium carbonate), be kneaded 8min or so at 140 DEG C, mixing speed 60rpm, cooling, into
Type, produce embodiment 4-6 PUR.
Table 3
PUR obtained by embodiment 4-6 and base material (for example, PE, crosslinking PE etc.) is compound, produce the pyrocondensation of the present invention
Set and/or pyrocondensation belt.
Embodiment 4-6 test result (method of testing is with embodiment 1-3) such as table 4.
Table 4
| Performance indications | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Peel strength (to steel) (23 DEG C), N/cm | 118.33 | 86.32 | 70 |
| Lap shear strength (23 DEG C), MPa | 0.79 | 0.64 | 0.73 |
| Ring and ball softening point, DEG C | >150 | >150 | >150 |
| Brittle temperature, DEG C | <-45 | <-40 | <-20 |
Embodiment 7-9
Embodiment 7-9 formula such as table 5, preparation method is identical, is：
According to formula, the constitutive material of S glue is taken, with thermoplastic resin (PE, EVA (I), EVA (II)), tackifying resin (phenol
Urea formaldehyde (I)), filler (carbon black), 8min or so are kneaded at 140 DEG C, mixing speed 60rpm, cooling, shaping, produce embodiment
7-9 PUR.
Table 5
| The percentage by weight of each composition, % | Embodiment 7 | Embodiment 8 | Embodiment 9 |
| S glue | 60 | 60 | 60 |
| PE | 5 | 5 | 5 |
| EVA(I) | 15 | 10 | 0 |
| EVA(II) | 0 | 0 | 10 |
| Phenolic resin (I) | 5 | 5 | 5 |
| Carbon black | 10 | 15 | 15 |
PUR obtained by embodiment 7-9 and base material (for example, PE, crosslinking PE etc.) is compound, produce the pyrocondensation of the present invention
Set and/or pyrocondensation belt.
Embodiment 7-9 test result (method of testing is with embodiment 1-3) such as table 6.
Table 6
| Performance indications | Embodiment 7 | Embodiment 8 | Embodiment 9 |
| Peel strength (to steel) (23 DEG C), N/cm | 123.11 | 94.41 | 87.29 |
| Lap shear strength (23 DEG C), MPa | 0.62 | 0.50 | 0.46 |
| Ring and ball softening point, DEG C | >150 | >150 | >150 |
| Brittle temperature, DEG C | <-40 | <-30 | <-20 |
Embodiment 10
By weight percentage, 50%S glue, 10%PE, 30%EVA (II), 10% phenolic resin (I) are taken, in 140 DEG C of mixings
8min or so, mixing speed 60rpm, cooling, shaping, produce PUR.
Wherein, S glue is self-control, is formulated and is：By weight percentage, 50% isobutene-diene rubber regeneration；5% polyisobutene
PB1300；30% methyl solidification pitch (No. 10 building petroleum asphalts)；15% rosin.
The PUR of the gained of embodiment 10 and base material (for example, PE, crosslinking PE etc.) is compound, produce thermal shrinkable sleeve and/or heat
Contracting band.
Embodiment 11
By weight percentage, 50%S glue, 10%PE, 25%EVA (II), 10% phenolic resin (I), antioxidant (four are taken
[β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester) 5%, it is kneaded 8min or so, mixing speed at 140 DEG C
60rpm, cooling, shaping, produces PUR.
Wherein, S glue is self-control, is formulated and is：Percentage by weight, 50% isobutene-diene rubber regeneration；5% polyisobutene (low molecule
200-10000 and HMW 75000-600000 is measured with 1：99 weight is than mixing)；(No. 10 are built 30% methyl solidification pitch
Build asphalt)；15% rosin.
The PUR of the gained of embodiment 11 and base material (for example, PE, crosslinking PE etc.) is compound, produce thermal shrinkable sleeve and/or heat
Contracting band.
Embodiment 12
By weight percentage, 50%S glue, 10%PE, 25%EVA (II), 15% phenolic resin (I) are taken, in 130 DEG C of mixings
9min or so, mixing speed 60rpm, cooling, shaping, produce PUR.
Wherein, S glue is self-control, is formulated and is：Percentage by weight, 35% isobutene-diene rubber regeneration；15% polyisobutene (low molecule
200-10000 and HMW 75000-600000 is measured with 30：70 weight is than mixing)；(No. 10 are built 30% methyl solidification pitch
Build asphalt)；20% terpene resin (mean molecule quantity about 2000).
The PUR of the gained of embodiment 12 and base material (for example, PE, crosslinking PE etc.) is compound, produce thermal shrinkable sleeve and/or heat
Contracting band.
After testing, embodiment 10-12 the performance test results all fully meet national standard GB/T23257-2009 requirement, respectively
The level of item performance indications is all close with embodiment 3：Peel strength (to PE) (23 DEG C) is 160-165N/cm, peel strength
(to steel) (23 DEG C) are 165-168N/cm, and lap shear strength (23 DEG C) is 1.65-1.8MPa, and ring and ball softening point is ＞ 150
DEG C, brittle temperature is ＜ -20 DEG C.
In summary, the adhesive property of PUR of the present invention is excellent, high to the peel strength of PE, steel, epoxy primer；Together
When, the preparation method of PUR of the present invention, easy to operation and control, energy consumption is small, cost is low, it is easy to accomplish large-scale production, has
Beneficial to further promoting its industry development.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of PUR, it is characterised in that be mainly made up of following components in percentage by weight：
Bitumastic：30~80%；
Thermoplastic resin：15~50%；
Tackifying resin：5~40%；
Antioxidant：0~5%；
Filler：0~20%；
Wherein, the melt index of the thermoplastic resin is 0.5~23g/10min.
2. PUR according to claim 1, it is characterised in that the melt index of the thermoplastic resin is 0.5~5g/
10min；
Preferably, the melt index of the thermoplastic resin is 1.8~2.2g/10min；
Preferably, the melt index of the thermoplastic resin is 2g/10min.
3. PUR according to claim 1, it is characterised in that the thermoplastic resin include polyethylene and ethene-
Vinyl acetate co-polymer/maleated ethylene vinyl acetate copolyme；
Preferably, the PUR is mainly made up of following components in percentage by weight：
Bitumastic：30~60%；
Polyethylene：5~15%；
Ethylene-vinyl acetate copolymer/maleated ethylene vinyl acetate copolyme：15~35%；
Tackifying resin：5~40%；
Antioxidant：0~5%；
Filler：0~20%；
It is further preferred that the PUR is mainly made up of following components in percentage by weight：
Bitumastic：30~60%；
Polyethylene：10~15%；
Ethylene-vinyl acetate copolymer/maleated ethylene vinyl acetate copolyme：20~35%；
Tackifying resin：10~25%；
Antioxidant：0~5%；
Filler：0~20%.
4. PUR according to claim 3, it is characterised in that the softening point of the polyethylene is 55~90 DEG C, described
The vinyl acetate content of ethylene-vinyl acetate copolymer/maleated ethylene vinyl acetate copolyme be 15~
40wt%, the dimension card softening of the ethylene-vinyl acetate copolymer/maleated ethylene vinyl acetate copolyme
Temperature is 40~70 DEG C；
Preferably, the softening point of the polyethylene is 65~75 DEG C, and the ethylene-vinyl acetate copolymer/maleic anhydride connects
The vinyl acetate content of branch ethylene-vinyl acetate copolymer is 15~25wt%, the ethylene-vinyl acetate copolymer/
The vicat softening temperature of maleated ethylene vinyl acetate copolyme is 52~60 DEG C.
5. PUR according to claim 1, it is characterised in that the bitumastic is mainly by following percentage by weight
Component mix：
Butyl rubber/isobutene-diene rubber regeneration：20~50%；
Polyisobutene：5~30%；
Anti-corrosion asphalt：20~45%；
Rosin or terpene resin：10~30%；
Preferably, the bitumastic is mainly mixed by following components in percentage by weight：
Butyl rubber/isobutene-diene rubber regeneration：35~50%；
Polyisobutene：5~15%；
Anti-corrosion asphalt：20~45%；
Rosin or terpene resin：15~25%.
6. PUR according to claim 5, it is characterised in that the number-average molecular weight of the polyisobutene be 200~
600000, it is preferable that the number-average molecular weight of the polyisobutene is 200~10000 or 75000~600000；
Preferably, the anti-corrosion asphalt is that methyl solidifies pitch；Preferably, the anti-corrosion asphalt is No. 10 building petroleum asphalts.
7. according to the PUR described in claim any one of 1-6, it is characterised in that the tackifying resin be selected from phenolic resin,
One kind or at least two combination in modified alkyl phenol formaldehyde resin, terpene resin or α pinene resin；Preferably, it is described
Tackifying resin is selected from phenolic resin or modified alkyl phenol formaldehyde resin；
Preferably, the softening point of the tackifying resin is 80~150 DEG C；Preferably, the softening point of the tackifying resin be 85~
95 DEG C or 110~120 DEG C；
Preferably, the antioxidant is selected from phenolic antioxidant or amine antioxidants；Preferably, the phenolic antioxidant be four [β-
(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester；
Preferably, the combination of the one kind or at least two of the filler in carbon black, calcium carbonate or talcum powder.
8. the preparation method of the PUR described in claim any one of 1-7, it is characterised in that comprise the following steps：
Bitumastic, thermoplastic resin, optionally tackifying resin, antioxidant and optionally filler are measured by formula, heating is mixed
Refining, cooling, shaping, is produced；
Preferably, the temperature for heating mixing is 130~180 DEG C, preferably 130~160 DEG C, further preferred 140~160 DEG C.
9. application of the PUR described in claim any one of 1-7 in thermal shrinkable sleeve and/or pyrocondensation belt is prepared.
10. a kind of thermal shrinkable sleeve and/or pyrocondensation belt, it is characterised in that including the hot melt described in base material and claim any one of 1-7
Glue.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016110881156 | 2016-12-01 | ||
| CN201611088115.6A CN106520021A (en) | 2016-12-01 | 2016-12-01 | Hot melt adhesive used for pipeline anticorrosion, preparation method thereof, and thermal shrinkable sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107892886A true CN107892886A (en) | 2018-04-10 |
Family
ID=58354385
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611088115.6A Pending CN106520021A (en) | 2016-12-01 | 2016-12-01 | Hot melt adhesive used for pipeline anticorrosion, preparation method thereof, and thermal shrinkable sleeve |
| CN201711246390.0A Withdrawn CN107936912A (en) | 2016-12-01 | 2017-11-30 | Application of the thermoplastic resin in hot melt adhesive, thermal shrinkable sleeve or pyrocondensation belt is prepared |
| CN201711245275.1A Withdrawn CN107892886A (en) | 2016-12-01 | 2017-11-30 | PUR and preparation method and application, thermal shrinkable sleeve |
| CN201711246389.8A Pending CN107892887A (en) | 2016-12-01 | 2017-11-30 | PUR and preparation method and application, thermal shrinkable sleeve |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611088115.6A Pending CN106520021A (en) | 2016-12-01 | 2016-12-01 | Hot melt adhesive used for pipeline anticorrosion, preparation method thereof, and thermal shrinkable sleeve |
| CN201711246390.0A Withdrawn CN107936912A (en) | 2016-12-01 | 2017-11-30 | Application of the thermoplastic resin in hot melt adhesive, thermal shrinkable sleeve or pyrocondensation belt is prepared |
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| CN201711246389.8A Pending CN107892887A (en) | 2016-12-01 | 2017-11-30 | PUR and preparation method and application, thermal shrinkable sleeve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111434745A (en) * | 2019-10-29 | 2020-07-21 | 廊坊市中油嘉昱防腐技术有限公司 | Butyl rubber ionomer modified mastic grease and preparation method thereof |
| CN115677268A (en) * | 2022-11-07 | 2023-02-03 | 山东高速工程检测有限公司 | Quick-melting type regenerated asphalt mixture modifier, regenerated asphalt mixture and preparation method thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106520021A (en) * | 2016-12-01 | 2017-03-22 | 日东（青岛）研究院有限公司 | Hot melt adhesive used for pipeline anticorrosion, preparation method thereof, and thermal shrinkable sleeve |
| CN110041649A (en) * | 2019-04-26 | 2019-07-23 | 江苏达胜热缩防护用品有限公司 | A kind of joint coating on pipeline pyrocondensation belt single layer fixinig plate |
| CN111004594A (en) * | 2019-12-27 | 2020-04-14 | 上海邦中高分子材料股份有限公司 | Adhesive resin for polyester fiber reinforced PE (polyethylene) composite pipe and preparation method thereof |
| CN113801609B (en) * | 2021-10-14 | 2022-11-22 | 常州邦瑞新材料科技有限公司 | Nanometer hot melt adhesive for automotive upholstery and preparation method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245125B (en) * | 2008-03-25 | 2010-09-08 | 广州市合诚化学有限公司 | High-current ethylene-vinyl acetate copolymer grafted maleic anhydride product, preparation method and application thereof |
| CN101649173B (en) * | 2009-09-21 | 2011-07-13 | 江苏达胜热缩材料有限公司 | Hot melting horseshoe gum resin |
| CN102408854B (en) * | 2011-08-26 | 2013-07-03 | 江苏达胜热缩材料有限公司 | High-temperature mastic cement for corrosion protection and preparation method thereof |
| CN102977811A (en) * | 2012-11-21 | 2013-03-20 | 深圳长园电子材料有限公司 | Halogen-free composite hot melt adhesive for double-wall heat shrinkable tubes and preparation method of holt melt adhesive |
| CN103602291A (en) * | 2013-10-28 | 2014-02-26 | 江苏达胜热缩材料有限公司 | Cold-tangled anticorrosion adhesive tape for pipeline anticorrosion |
| CN106520021A (en) * | 2016-12-01 | 2017-03-22 | 日东（青岛）研究院有限公司 | Hot melt adhesive used for pipeline anticorrosion, preparation method thereof, and thermal shrinkable sleeve |
-
2016
- 2016-12-01 CN CN201611088115.6A patent/CN106520021A/en active Pending
-
2017
- 2017-11-30 CN CN201711246390.0A patent/CN107936912A/en not_active Withdrawn
- 2017-11-30 CN CN201711245275.1A patent/CN107892886A/en not_active Withdrawn
- 2017-11-30 CN CN201711246389.8A patent/CN107892887A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111434745A (en) * | 2019-10-29 | 2020-07-21 | 廊坊市中油嘉昱防腐技术有限公司 | Butyl rubber ionomer modified mastic grease and preparation method thereof |
| CN115677268A (en) * | 2022-11-07 | 2023-02-03 | 山东高速工程检测有限公司 | Quick-melting type regenerated asphalt mixture modifier, regenerated asphalt mixture and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107936912A (en) | 2018-04-20 |
| CN107892887A (en) | 2018-04-10 |
| CN106520021A (en) | 2017-03-22 |
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