CN110028915A - A kind of Pipeline joint anticorrosion low form 3PE dry film hot melt adhesive and preparation method thereof - Google Patents
A kind of Pipeline joint anticorrosion low form 3PE dry film hot melt adhesive and preparation method thereof Download PDFInfo
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- CN110028915A CN110028915A CN201910343049.XA CN201910343049A CN110028915A CN 110028915 A CN110028915 A CN 110028915A CN 201910343049 A CN201910343049 A CN 201910343049A CN 110028915 A CN110028915 A CN 110028915A
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- hot melt
- melt adhesive
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- resin
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- 239000004831 Hot glue Substances 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title description 10
- 229920005989 resin Polymers 0.000 claims abstract description 75
- 239000011347 resin Substances 0.000 claims abstract description 75
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 48
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 48
- 239000000945 filler Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000004014 plasticizer Substances 0.000 claims abstract description 22
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 21
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 21
- 229920005549 butyl rubber Polymers 0.000 claims abstract description 20
- -1 styrene-ethylene-butylene-styrene Chemical class 0.000 claims abstract description 20
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 16
- 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 abstract description 14
- 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 abstract description 14
- 239000003208 petroleum Substances 0.000 claims abstract description 14
- 150000003505 terpenes Chemical class 0.000 claims abstract description 14
- 235000007586 terpenes Nutrition 0.000 claims abstract description 14
- 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 abstract description 14
- 125000005456 glyceride group Chemical group 0.000 claims abstract description 12
- 229920001897 terpolymer Polymers 0.000 claims abstract description 10
- 229920006132 styrene block copolymer Polymers 0.000 claims abstract description 8
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 6
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 20
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- 229940088417 precipitated calcium carbonate Drugs 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- CAPNUXMLPONECZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-2-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=C(O)C(C(C)(C)C)=C1 CAPNUXMLPONECZ-UHFFFAOYSA-N 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- 150000002989 phenols Chemical class 0.000 claims description 7
- 229940117958 vinyl acetate Drugs 0.000 claims description 7
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 238000004898 kneading Methods 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 6
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 229920001971 elastomer Polymers 0.000 claims 2
- 229910052760 oxygen Inorganic materials 0.000 claims 2
- 239000001301 oxygen Substances 0.000 claims 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 229920001400 block copolymer Polymers 0.000 claims 1
- 235000009508 confectionery Nutrition 0.000 claims 1
- 239000000806 elastomer Substances 0.000 claims 1
- 229920006226 ethylene-acrylic acid Polymers 0.000 claims 1
- 239000004519 grease Substances 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 16
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 abstract description 10
- 230000001404 mediated effect Effects 0.000 abstract description 6
- 239000000758 substrate Substances 0.000 description 20
- 238000005260 corrosion Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 13
- 230000001070 adhesive effect Effects 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 9
- 238000002844 melting Methods 0.000 description 9
- 230000008018 melting Effects 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 8
- 229920006334 epoxy coating Polymers 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000012943 hotmelt Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 6
- 230000032683 aging Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 239000004568 cement Substances 0.000 description 5
- 229920003020 cross-linked polyethylene Polymers 0.000 description 5
- 239000004703 cross-linked polyethylene Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000003446 memory effect Effects 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 230000001737 promoting effect Effects 0.000 description 5
- 229920001903 high density polyethylene Polymers 0.000 description 4
- 239000004700 high-density polyethylene Substances 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 150000008065 acid anhydrides Chemical class 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- C08L2205/03—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
Abstract
The present invention relates to a kind of Pipeline joint anticorrosion low form 3PE dry film hot melt adhesive, squeeze out and are made after being mediated by heat-resistant powder filler, binding resin, tackifying resin, plasticizer, antioxidant, filler；Heat-resistant powder filler is styrene-isoprene-styrene block copolymer, styrene-ethylene-butylene-styrene block copolymer, butyl rubber, two or more in ethylene propylene diene rubber；Binding resin is the modified by maleic acid anhydride graft material of ethylene-vinyl acetate, ethylene-acrylate-maleic anhydride terpolymer one or two；Tackifying resin is the one or more of terpene resin, C 5 petroleum resin, rosin glycerides；Plasticizer is polyisobutene or naphthenic oil.Low form dry film hot melt adhesive of the invention is used for Pipeline joint anticorrosion, meets the construction demand under extremely cold environment, solves the construction of cold district Pipeline joint anticorrosion and needs；Its cementability and leakproofness are excellent, and low temperature flexibility is good, and peel strength is higher, and performance is stablized.
Description
Technical field
The present invention relates to dry film hot melt adhesive fields more particularly to a kind of Pipeline joint anticorrosion low form 3PE dry film to heat
Glue and preparation method thereof.
Background technique
Transport vehicle of the buried pipeline as medium, is one of critical facility of ground surface works, be connection upstream resource and
The tie of downstream user.Since pipeline is embedded in underground for a long time, over time, extraneous soil characteristic and landform sedimentation etc. because
Burn into perforation, leakage can occur for the influence of element, pipeline especially pipe joint position, and huge economic damage can be brought to country
It loses, while serious pollution can be brought to environment.As country is for large and medium-sized long-distance transport pipes and resident living urban pipe network
Investment and construction, steel pipe preventing corrosion of repaired mouth erosion measure also become important field of research.Repaired mouth is each with antiseptic hot melt glue
The important component of kind anti-corrosion material, it is defeated to be widely used in petroleum, natural gas, chemical industry, the plumbing in urban construction and coal gas
It send equal buried steel pipelines outer corrosion-resistant adhesive tape, plays the role of being effectively protected to buried pipeline.
Joint coating on pipeline hot melt adhesive mainly includes 2PE hot melt adhesive and 3PE hot melt adhesive.2PE hot melt adhesive is mainly for the preparation of two layers
The anticorrosive heat-shrinkable band of structure, direct and steel body and HDPE layer generate effectively bonding, can not generate enough bondings with epoxy coating,
And 3PE hot melt adhesive is used to prepare the anticorrosive heat-shrinkable band of three-decker, has good adhesive property, 3PE anti-corrosion with epoxy coating
The anti-corrosion higher grade of material, and anti-corrosion effect is more excellent.3PE wet film construction hot melt adhesive was Pipeline joint anticorrosion pyrocondensation belt in the past
The mating hot melt adhesive main force, but wet film form of construction work has certain technical vulnerability, and the thickness that not can guarantee epoxy coating is uniform
Integrality.The dry film form of construction work of repaired mouth pyrocondensation belt is gradually paid attention at present.As its name suggests, dry film construction is exactly anticorrosive paint
The form of construction work for installing repaired mouth pyrocondensation belt after being fully cured again guarantees that the thickness of epoxy coating is uniform complete, and dry film is warm
Key core technologies of the contracting with product are exactly the dry film hot melt adhesive product of function admirable.
3PE dry film hot melt adhesive is applied to pipeline corrosion protection repaired mouth field and is more and more paid attention to and applied, but common
The lower temperature resistance of 3PE dry film hot melt adhesive is poor, and brittleness is big at low ambient temperatures, is easily broken off, cementability and poor sealing, influences
Anti-corrosion effect.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, provide a kind of 3PE dry film hot melt adhesive that can be used at low ambient temperatures
And preparation method thereof.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows: provide a kind of Pipeline joint anticorrosion low form
3PE dry film hot melt adhesive, it is characterised in that: by heat-resistant powder filler, binding resin, tackifying resin, plasticizer, antioxidant, filler
It squeezes out and is made after kneading；The heat-resistant powder filler is styrene-isoprene-styrene block copolymer, styrene-second
Alkene-butylene-styrene block copolymer, butyl rubber, two or more in ethylene propylene diene rubber；The binding resin is second
Alkene-vinylacetate modified by maleic acid anhydride graft material, ethylene-acrylate-maleic anhydride terpolymer one kind or two
Kind；The tackifying resin is the one or more of terpene resin, C 5 petroleum resin, rosin glycerides；The plasticizer is
Polyisobutene or naphthenic oil.
As a preferred embodiment, the heat-resistant powder filler, binding resin, tackifying resin, plasticizer, antioxidant, fill out
The proportion of material are as follows: heat-resistant powder filler 30-45wt%, binding resin 20-35wt%, tackifying resin 20-30wt%, plasticizer 5-
15wt%, filler 0-6wt%, antioxidant 0.2-0.5wt%.
As a kind of more preferable scheme, the melt index of the styrene-isoprene-styrene block copolymer is 2-
10g/10min；The melt index of the styrene-ethylene-butylene-styrene block copolymer is 0.5-5g/10min；It is described
The weight average molecular weight of butyl rubber is 250000-350000；ML125 DEG C of 1+4 of Mooney viscosity of the ethylene propylene diene rubber is 25-
60。
As a kind of more preferable scheme, the vinyl acetate of the modified by maleic acid anhydride graft material of the ethylene-vinyl acetate
Ester content 30-40wt%, maleic anhydride content 1-3wt%, melt index 20-80g/10min；The ethylene-acrylate-
The maleic anhydride content 2-5wt% of maleic anhydride terpolymer, melt index 50-100g/10min.
As a kind of more preferable scheme, the softening point of the terpene resin is 95-110 DEG C；The C 5 petroleum resin
Softening point is 95-110 DEG C；The softening point of the rosin glycerides is 95-110 DEG C.
As a kind of more preferable scheme, the viscosity average molecular weigh of the polyisobutene is 1000-3000.
As a kind of more preferable scheme, the antioxidant is Hinered phenols antioxidant.
As a kind of more preferable scheme, the antioxidant was four (β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid) seasons
Doutrate.
As a kind of more preferable scheme, the filler is precipitated calcium carbonate.
The present invention also provides the method for preparing above-mentioned Pipeline joint anticorrosion low form 3PE dry film hot melt adhesive, features
It is: the following steps are included:
(1) each raw material of hot melt adhesive is weighed according to formula rate；
(2) kneader oil temperature is risen to 160-180 DEG C, is first added to heat-resistant powder filler and antioxidant in kneader by several times
Mediate stirring 20-35min；
(3) binding resin is added in kneader by several times and stirs 15-25min, then tackifying resin and plasticizer are added to kneading
Continue to stir 20-35min in machine；
(4) discharging is squeezed out, cool down forming processes, obtains finished product.
The beneficial technical effect of the present invention lies in:
(1) low form dry film hot melt adhesive of the invention is used for Pipeline joint anticorrosion, meets the construction demand under extremely cold environment, solves
The construction of cold district Pipeline joint anticorrosion needs；Its cementability and leakproofness are excellent, and low temperature flexibility is good, and peel strength is higher,
Performance is stablized.
(2) low form dry film hot melt adhesive brittle temperature of the invention is low, colloid brittle temperature < -50 DEG C, and peel strength is good；-
At 50 DEG C, 150N/cm is reached to epoxy coating and HDPE layer；At 23 DEG C, 100N/cm is reached to epoxy coating and HDPE layer；50
At DEG C, 10N/cm is reached to epoxy coating and HDPE layer, is that cohesion breaks ring.
(3) low form dry film hot melt adhesive of the invention is applied to joint coating on pipeline, and adhesive effect is excellent, guarantees that steel pipe repaired mouth is applied
The uniform integrality of the thickness of working hour epoxy coating.
Specific embodiment
The invention will be further described combined with specific embodiments below.Following embodiment is only used for clearly illustrating
Technical solution of the present invention, and not intended to limit the protection scope of the present invention.
Embodiment 1
A kind of Pipeline joint anticorrosion low form 3PE dry film hot melt adhesive, is made by the following raw material component:
IIR 30%
EPDM 15%
EVA-g-MAH 10%
EMH 15%
Terpene resin 10%
Rosin glycerides 10%
Polyisobutene 5%
Antioxidant 0.5%
Precipitated calcium carbonate 4.5%.
IIR and EPDM is the heat-resistant powder filler in low temperature with excellent toughness and certain elasticity；Wherein: IIR is
Butyl rubber, weight average molecular weight 300000；EPDM, that is, ethylene propylene diene rubber, ML125 DEG C of 1+4 of Mooney viscosity are 25.
EVA-g-MAH and EMH is binding resin, for increasing hot melt adhesive to the adhesive strength of polar material；Wherein:
EVA-g-MAH, that is, ethylene-vinyl acetate modified by maleic acid anhydride graft material, under conditions of 190 DEG C, 2.16kg, melting
Index is 25g/10min, vinyl acetate content 30wt%, maleic anhydride content 1wt%；EMH, that is, ethylene-acrylate-horse
Carry out acid anhydrides terpolymer, under conditions of 190 DEG C, 2.16kg, melt index 50g/10min, maleic anhydride content is
3wt%。
Terpene resin, rosin glycerides are tackifying resin, and initial adhesive strength and stream can be improved in the addition of tackifying resin
Dynamic property；The softening point of terpene resin is 110 DEG C；The softening point of rosin glycerides is 105 DEG C.
Polyisobutene is plasticizer, for promoting the resistance to low temperature of dry film hot melt adhesive；The viscosity average molecular weigh of polyisobutene
It is 3000.
Antioxidant is Hinered phenols antioxidant, is also possible to other types of antioxidant；Antioxidant of the invention uses four
(β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester；The effect of antioxidant is primarily to prevent material from existing
Occurs heat ageing in molding process.
Precipitated calcium carbonate is filler, and the hardness of material can be improved, and reduces cohesive force, and it is broken to reach cohesion in removing
Bad effect.
Pipeline joint anticorrosion of the invention low form 3PE dry film hot melt adhesive the preparation method comprises the following steps:
(1) each raw material of hot melt adhesive is weighed according to formula rate；
(2) kneader oil temperature is risen to 160 DEG C, heat-resistant powder filler and antioxidant is added in kneader by several times first and mediated
Stir 35min；
(3) binding resin is added in kneader by several times and stirs 25min, then tackifying resin and plasticizer are added into kneader
Continue to stir 35min；
(4) discharging is squeezed out, cool down forming processes, obtains finished product.
The application method of low form dry film hot melt adhesive of the invention: first by low form dry film hot melt adhesive by cold pressing and
Transmission device continuously coating is drawn on radiant crosslinked polyethylene heat shrinkable band substrate.The substrate has certain " memory effect
Answer ", during on-site construction, low form dry film hot melt gum base materials are coated with using flame gun heating, when temperature is received higher than substrate heat
When contracting temperature, when with substrate pyrocondensation, the melting of low temperature dry film hot melt adhesive reaches sealing and corrosion-resistant is made to cement with steel pipe
With.
Embodiment 2
A kind of Pipeline joint anticorrosion low form 3PE dry film hot melt adhesive, is made by the following raw material component:
IIR 25%
EPDM 15%
EMH 30%
Terpene resin 10%
C 5 petroleum resin 5%
Rosin glycerides 5%
Polyisobutene 5%
Antioxidant 0.2%
Precipitated calcium carbonate 4.8%.
IIR and EPDM is the heat-resistant powder filler in low temperature with excellent toughness and certain elasticity；Wherein: IIR is
Butyl rubber, weight average molecular weight 250000；EPDM, that is, ethylene propylene diene rubber, ML125 DEG C of 1+4 of Mooney viscosity are 60.
EMH is binding resin, for increasing hot melt adhesive to the adhesive strength of polar material；EMH, that is, ethylene-acrylate-
Maleic anhydride terpolymer, under conditions of 190 DEG C, 2.16kg, melt index is 100 g/10min, and maleic anhydride contains
Amount is 5wt%.
Terpene resin, C 5 petroleum resin, rosin glycerides are tackifying resin, and the addition of tackifying resin can be improved just
Viscous intensity and mobility；The softening point of terpene resin is 95 DEG C；The softening point of C 5 petroleum resin is 110 DEG C；Rosin glycerol
The softening point of ester is 95 DEG C.
Polyisobutene is plasticizer, for promoting the resistance to low temperature of dry film hot melt adhesive；The viscosity average molecular weigh of polyisobutene
It is 1000.
Antioxidant is Hinered phenols antioxidant, is also possible to other types of antioxidant；Antioxidant of the invention uses four
(β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester；The effect of antioxidant is primarily to prevent material from existing
Occurs heat ageing in molding process.
Precipitated calcium carbonate is filler, and the hardness of material can be improved, and reduces cohesive force, and it is broken to reach cohesion in removing
Bad effect.
Pipeline joint anticorrosion of the invention low form 3PE dry film hot melt adhesive the preparation method comprises the following steps:
(1) each raw material of hot melt adhesive is weighed according to formula rate；
(2) kneader oil temperature is risen to 165 DEG C, heat-resistant powder filler and antioxidant is added in kneader by several times first and mediated
Stir 30min；
(3) binding resin is added in kneader by several times and stirs 22min, then tackifying resin and plasticizer are added into kneader
Continue to stir 30min；
(4) discharging is squeezed out, cool down forming processes, obtains finished product.
The application method of low form dry film hot melt adhesive of the invention: first by low form dry film hot melt adhesive by cold pressing and
Transmission device continuously coating is drawn on radiant crosslinked polyethylene heat shrinkable band substrate.The substrate has certain " memory effect
Answer ", during on-site construction, low form dry film hot melt gum base materials are coated with using flame gun heating, when temperature is received higher than substrate heat
When contracting temperature, when with substrate pyrocondensation, the melting of low temperature dry film hot melt adhesive reaches sealing and corrosion-resistant is made to cement with steel pipe
With.
Embodiment 3
A kind of Pipeline joint anticorrosion low form 3PE dry film hot melt adhesive, is made by the following raw material component:
SIS 10%
SEBS 5%
EPDM 15%
EVA-g-MAH 15%
EMH 20%
C 5 petroleum resin 10%
Rosin glycerides 14%
Naphthenic oil 5%
Antioxidant 0.3%
Precipitated calcium carbonate 5.7%.
SIS, SEBS and EPDM are the heat-resistant powder filler in low temperature with excellent toughness and certain elasticity；Wherein:
SIS, that is, styrene-isoprene-styrene block copolymer, under conditions of 190 DEG C, 2.16kg, melt index 2g/
10min；SEBS, that is, styrene-ethylene-butylene-styrene block copolymer, under conditions of 190 DEG C, 2.16kg, melting refers to
Number is 5g/10min；EPDM, that is, ethylene propylene diene rubber, ML125 DEG C of 1+4 of Mooney viscosity are 35.
EVA-g-MAH and EMH is binding resin, for increasing hot melt adhesive to the adhesive strength of polar material；Wherein:
EVA-g-MAH, that is, ethylene-vinyl acetate modified by maleic acid anhydride graft material, under conditions of 190 DEG C, 2.16kg, melting
Index is 20g/10min, vinyl acetate content 30wt%, maleic anhydride content 2wt%；EMH, that is, ethylene-acrylate-horse
Carry out acid anhydrides terpolymer, under conditions of 190 DEG C, 2.16kg, melt index 90g/10min, maleic anhydride content is
4wt%。
C 5 petroleum resin, rosin glycerides are tackifying resin, the addition of tackifying resin can be improved initial adhesive strength with
And mobility；The softening point of C 5 petroleum resin is 95；The softening point of rosin glycerides is 110 DEG C.
Naphthenic oil is plasticizer, for promoting the resistance to low temperature of dry film hot melt adhesive.
Antioxidant is Hinered phenols antioxidant, is also possible to other types of antioxidant；Antioxidant of the invention uses four
(β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester；The effect of antioxidant is primarily to prevent material from existing
Occurs heat ageing in molding process.
Precipitated calcium carbonate is filler, and the hardness of material can be improved, and reduces cohesive force, and it is broken to reach cohesion in removing
Bad effect.
Pipeline joint anticorrosion of the invention low form 3PE dry film hot melt adhesive the preparation method comprises the following steps:
(1) each raw material of hot melt adhesive is weighed according to formula rate；
(2) kneader oil temperature is risen to 170 DEG C, heat-resistant powder filler and antioxidant is added in kneader by several times first and mediated
Stir 25min；
(3) binding resin is added in kneader by several times and stirs 20min, then tackifying resin and plasticizer are added into kneader
Continue to stir 25min；
(4) discharging is squeezed out, cool down forming processes, obtains finished product.
The application method of low form dry film hot melt adhesive of the invention: first by low form dry film hot melt adhesive by cold pressing and
Transmission device continuously coating is drawn on radiant crosslinked polyethylene heat shrinkable band substrate.The substrate has certain " memory effect
Answer ", during on-site construction, low form dry film hot melt gum base materials are coated with using flame gun heating, when temperature is received higher than substrate heat
When contracting temperature, when with substrate pyrocondensation, the melting of low temperature dry film hot melt adhesive reaches sealing and corrosion-resistant is made to cement with steel pipe
With.
Embodiment 4
A kind of Pipeline joint anticorrosion low form 3PE dry film hot melt adhesive, is made by the following raw material component:
SEBS 10%
IIR 20%
EVA-g-MAH 10%
EMH 15%
Terpene resin 30%
Polyisobutene 9.8%
Antioxidant 0.2%
Precipitated calcium carbonate 5%.
SEBS and IIR is the heat-resistant powder filler in low temperature with excellent toughness and certain elasticity；Wherein: SEBS is
Styrene-ethylene-butylene-styrene block copolymer, under conditions of 190 DEG C, 2.16kg, melt index 0.5g/
10min；IIR, that is, butyl rubber, weight average molecular weight 350000.
EVA-g-MAH and EMH is binding resin, for increasing hot melt adhesive to the adhesive strength of polar material；Wherein:
EVA-g-MAH, that is, ethylene-vinyl acetate modified by maleic acid anhydride graft material, under conditions of 190 DEG C, 2.16kg, melting
Index is 80g/10min, vinyl acetate content 40wt%, maleic anhydride content 3wt%；EMH, that is, ethylene-acrylate-horse
Carry out acid anhydrides terpolymer, under conditions of 190 DEG C, 2.16kg, melt index 50g/10min, maleic anhydride content is
2wt%。
Terpene resin is tackifying resin, and initial adhesive strength and mobility can be improved in the addition of tackifying resin；Terpene resin
Softening point be 100 DEG C.
Polyisobutene is plasticizer, for promoting the resistance to low temperature of dry film hot melt adhesive；The viscosity average molecular weigh of polyisobutene
It is 1400.
Antioxidant is Hinered phenols antioxidant, is also possible to other types of antioxidant；Antioxidant of the invention uses four
(β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester；The effect of antioxidant is primarily to prevent material from existing
Occurs heat ageing in molding process.
Precipitated calcium carbonate is filler, and the hardness of material can be improved, and reduces cohesive force, and it is broken to reach cohesion in removing
Bad effect.
The preparation process of Pipeline joint anticorrosion of the invention low form 3PE dry film hot melt adhesive are as follows:
(1) each raw material of hot melt adhesive is weighed according to formula rate；
(2) kneader oil temperature is risen to 175 DEG C, heat-resistant powder filler and antioxidant is added in kneader by several times first and mediated
Stir 25min；
(3) binding resin is added in kneader by several times and stirs 15min, then tackifying resin and plasticizer are added into kneader
Continue to stir 25min；
(4) discharging is squeezed out, cool down forming processes, obtains finished product.
The application method of low form dry film hot melt adhesive of the invention: first by low form dry film hot melt adhesive by cold pressing and
Transmission device continuously coating is drawn on radiant crosslinked polyethylene heat shrinkable band substrate.The substrate has certain " memory effect
Answer ", during on-site construction, low form dry film hot melt gum base materials are coated with using flame gun heating, when temperature is received higher than substrate heat
When contracting temperature, when with substrate pyrocondensation, the melting of low temperature dry film hot melt adhesive reaches sealing and corrosion-resistant is made to cement with steel pipe
With.
Embodiment 5
A kind of Pipeline joint anticorrosion low form 3PE dry film hot melt adhesive, is made by the following raw material component:
SIS 15%
IIR 10%
EPDM 10%
EMH 20%
C 5 petroleum resin 25.6%
Polyisobutene 14%
Antioxidant 0.4%
Precipitated calcium carbonate 5%.
SIS, IIR and EPDM are the heat-resistant powder filler in low temperature with excellent toughness and certain elasticity；Wherein:
SIS, that is, styrene-isoprene-styrene block copolymer, under conditions of 190 DEG C, 2.16kg, melt index 10g/
10min；IIR, that is, butyl rubber, weight average molecular weight 300000；EPDM, that is, ethylene propylene diene rubber, i.e. ML125 DEG C of Mooney viscosity
1+4 is 30.
EMH is binding resin, for increasing hot melt adhesive to the adhesive strength of polar material；EMH, that is, ethylene-acrylate-
Maleic anhydride terpolymer, under conditions of 190 DEG C, 2.16kg, melt index is 70 g/10min, maleic anhydride content
For 2wt%.
C 5 petroleum resin is tackifying resin, and initial adhesive strength and mobility can be improved in the addition of tackifying resin；Light dydrocarbon
The softening point of Petropols is 100 DEG C.
Polyisobutene is plasticizer, for promoting the resistance to low temperature of dry film hot melt adhesive；The viscosity average molecular weigh of polyisobutene
It is 2400.
Antioxidant is Hinered phenols antioxidant, is also possible to other types of antioxidant；Antioxidant of the invention uses four
(β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester；The effect of antioxidant is primarily to prevent material from existing
Occurs heat ageing in molding process.
Precipitated calcium carbonate is filler, and the hardness of material can be improved, and reduces cohesive force, and it is broken to reach cohesion in removing
Bad effect.
Pipeline joint anticorrosion of the invention low form 3PE dry film hot melt adhesive the preparation method comprises the following steps:
(1) each raw material of hot melt adhesive is weighed according to formula rate；
(2) kneader oil temperature is risen to 180 DEG C, heat-resistant powder filler and antioxidant is added in kneader by several times first and mediated
Stir 20min；
(3) binding resin is added in kneader by several times and stirs 15min, then tackifying resin and plasticizer are added into kneader
Continue to stir 20min；
(4) discharging is squeezed out, cool down forming processes, obtains finished product.
The application method of low form dry film hot melt adhesive of the invention: first by low form dry film hot melt adhesive by cold pressing and
Transmission device continuously coating is drawn on radiant crosslinked polyethylene heat shrinkable band substrate.The substrate has certain " memory effect
Answer ", during on-site construction, low form dry film hot melt gum base materials are coated with using flame gun heating, when temperature is received higher than substrate heat
When contracting temperature, when with substrate pyrocondensation, the melting of low temperature dry film hot melt adhesive reaches sealing and corrosion-resistant is made to cement with steel pipe
With.
Based on the above description of the preferred embodiments of the present invention, through the above description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
It is not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (10)
1. a kind of Pipeline joint anticorrosion low form 3PE dry film hot melt adhesive, it is characterised in that: set by heat-resistant powder filler, bonding
Rouge, tackifying resin, plasticizer, antioxidant, filler are squeezed out and are made after mediating；The heat-resistant powder filler is styrene-isoamyl
Styrene block copolymer, styrene-ethylene-butylene-styrene block copolymer, butyl rubber, ethylene propylene diene rubber
In two or more；The binding resin is modified by maleic acid anhydride graft material, the ethylene-acrylic acid of ethylene-vinyl acetate
Ester-maleic anhydride terpolymer one or two；The tackifying resin is that terpene resin, C 5 petroleum resin, rosin are sweet
The one or more of grease；The plasticizer is polyisobutene or naphthenic oil.
2. Pipeline joint anticorrosion according to claim 1 low form 3PE dry film hot melt adhesive, it is characterised in that: the rubber
The proportion of glue class elastomer, binding resin, tackifying resin, plasticizer, antioxidant, filler are as follows: heat-resistant powder filler 30-45wt%,
Binding resin 20-35wt%, tackifying resin 20-30wt%, plasticizer 5-15wt%, filler 0-6wt%, antioxidant 0.2-0.5wt%.
3. Pipeline joint anticorrosion according to claim 2 low form 3PE dry film hot melt adhesive, it is characterised in that: the benzene
Ethylene-isoprene-styrene block copolymer melt index is 2-10g/10min；Styrene-ethylene-butadiene-the benzene
The melt index of ethylene block copolymer is 0.5-5g/10min；The weight average molecular weight of the butyl rubber is 250000-
350000；ML125 DEG C of 1+4 of Mooney viscosity of the ethylene propylene diene rubber is 25-60.
4. Pipeline joint anticorrosion according to claim 2 low form 3PE dry film hot melt adhesive, it is characterised in that: the second
The vinyl acetate content 30-40wt% of alkene-vinylacetate modified by maleic acid anhydride graft material, maleic anhydride content 1-
3wt%, melt index 20-80g/10min；The maleic anhydride of the ethylene-acrylate-maleic anhydride terpolymer contains
Measure 2-5wt%, melt index 50-100g/10min.
5. Pipeline joint anticorrosion according to claim 2 low form 3PE dry film hot melt adhesive, it is characterised in that: the terpene
The softening point of olefine resin is 95-110 DEG C；The softening point of the C 5 petroleum resin is 95-110 DEG C；The rosin glycerides
Softening point is 95-110 DEG C.
6. Pipeline joint anticorrosion according to claim 2 low form 3PE dry film hot melt adhesive, it is characterised in that: described poly-
The viscosity average molecular weigh of isobutene is 1000-3000.
7. Pipeline joint anticorrosion according to claim 2 low form 3PE dry film hot melt adhesive, it is characterised in that: described anti-
Oxygen agent is Hinered phenols antioxidant.
8. Pipeline joint anticorrosion according to claim 7 low form 3PE dry film hot melt adhesive, it is characterised in that: described anti-
Oxygen agent is four (β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol esters.
9. Pipeline joint anticorrosion according to claim 2 low form 3PE dry film hot melt adhesive, it is characterised in that: described to fill out
Material is precipitated calcium carbonate.
10. the method for preparing the Pipeline joint anticorrosion low form 3PE dry film hot melt adhesive as described in claim 1-9 is any,
It is characterized in that: the following steps are included:
(1) each raw material of hot melt adhesive is weighed according to formula rate；
(2) kneader oil temperature is risen to 160-180 DEG C, is first added to heat-resistant powder filler and antioxidant in kneader by several times
Mediate stirring 20-35min；
(3) binding resin is added in kneader by several times and stirs 15-25min, then tackifying resin and plasticizer are added to kneading
Continue to stir 20-35min in machine；
(4) discharging is squeezed out, cool down forming processes, obtains finished product.
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Cited By (6)
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| CN111484818A (en) * | 2020-04-29 | 2020-08-04 | 江苏达胜热缩防护用品有限公司 | Pipe end sealant for heat-insulating pipe and preparation method thereof |
| CN112375512A (en) * | 2020-11-03 | 2021-02-19 | 广东能辉新材料科技有限公司 | Non-vulcanized butyl pressure-sensitive adhesive, preparation method and application thereof, and waterproof roll |
| CN113292952A (en) * | 2021-06-30 | 2021-08-24 | 佛山南宝高盛高新材料有限公司 | Peelable hot melt adhesive for electric appliance packaging and preparation method thereof |
| CN114437650A (en) * | 2021-12-28 | 2022-05-06 | 佛山南宝高盛高新材料有限公司 | High-heat-resistant creep waterproof butyl pressure-sensitive adhesive and preparation method thereof |
| CN114854327A (en) * | 2022-03-31 | 2022-08-05 | 广东盈通新材料有限公司 | Hot melt adhesive, heat sealing adhesive tape, and preparation method and application thereof |
| CN115466126A (en) * | 2022-08-17 | 2022-12-13 | 南京钢铁股份有限公司 | Isolation material beneficial to turning of tundish |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111484818A (en) * | 2020-04-29 | 2020-08-04 | 江苏达胜热缩防护用品有限公司 | Pipe end sealant for heat-insulating pipe and preparation method thereof |
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| CN112375512A (en) * | 2020-11-03 | 2021-02-19 | 广东能辉新材料科技有限公司 | Non-vulcanized butyl pressure-sensitive adhesive, preparation method and application thereof, and waterproof roll |
| CN113292952A (en) * | 2021-06-30 | 2021-08-24 | 佛山南宝高盛高新材料有限公司 | Peelable hot melt adhesive for electric appliance packaging and preparation method thereof |
| CN114437650A (en) * | 2021-12-28 | 2022-05-06 | 佛山南宝高盛高新材料有限公司 | High-heat-resistant creep waterproof butyl pressure-sensitive adhesive and preparation method thereof |
| CN114437650B (en) * | 2021-12-28 | 2023-03-10 | 佛山南宝高盛高新材料有限公司 | High-heat-resistant creep waterproof butyl pressure-sensitive adhesive and preparation method thereof |
| CN114854327A (en) * | 2022-03-31 | 2022-08-05 | 广东盈通新材料有限公司 | Hot melt adhesive, heat sealing adhesive tape, and preparation method and application thereof |
| CN115466126A (en) * | 2022-08-17 | 2022-12-13 | 南京钢铁股份有限公司 | Isolation material beneficial to turning of tundish |
| CN115466126B (en) * | 2022-08-17 | 2023-04-11 | 南京钢铁股份有限公司 | Isolation material for turning tundish |
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Application publication date: 20190719 |