CN116496723A - Preparation method of adhesive special for TPO waterproof material - Google Patents
Preparation method of adhesive special for TPO waterproof material Download PDFInfo
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- CN116496723A CN116496723A CN202310551870.7A CN202310551870A CN116496723A CN 116496723 A CN116496723 A CN 116496723A CN 202310551870 A CN202310551870 A CN 202310551870A CN 116496723 A CN116496723 A CN 116496723A
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- Prior art keywords
- adhesive
- tpo
- special
- waterproof material
- preparation
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- 239000000853 adhesive Substances 0.000 title claims abstract description 72
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 72
- 239000000463 material Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 229920006124 polyolefin elastomer Polymers 0.000 claims abstract description 14
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 12
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 12
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 12
- 239000003063 flame retardant Substances 0.000 claims abstract description 12
- 229920000098 polyolefin Polymers 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 229920001971 elastomer Polymers 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 230000002745 absorbent Effects 0.000 claims abstract description 6
- 239000002250 absorbent Substances 0.000 claims abstract description 6
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 6
- 150000001336 alkenes Chemical class 0.000 claims abstract description 4
- 239000000806 elastomer Substances 0.000 claims abstract description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- 239000012768 molten material Substances 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 abstract description 6
- 239000004820 Pressure-sensitive adhesive Substances 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 3
- 230000032798 delamination Effects 0.000 abstract description 3
- 239000012790 adhesive layer Substances 0.000 abstract description 2
- 239000004566 building material Substances 0.000 abstract description 2
- 230000006750 UV protection Effects 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 229920005549 butyl rubber Polymers 0.000 description 5
- 229920002635 polyurethane Polymers 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920005906 polyester polyol Polymers 0.000 description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000010345 tape casting 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
- 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
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/241—Polyolefin, e.g.rubber
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- 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
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/346—Applications of adhesives in processes or use of adhesives in the form of films or foils for building applications e.g. wrap foil
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a preparation method of an adhesive special for TPO waterproof materials, which relates to the technical field of building materials, in particular to a preparation method of an adhesive special for TPO waterproof materials, wherein the mass part of the adhesive is 100%, and the raw materials of the adhesive are as follows: the mass ratio of polyolefin is 60-65%; 24-28% of olefin elastomer; 8-12% of flame-retardant functional master batch; 0.4 to 0.6 percent of antioxidant; 0.4 to 0.6 percent of ultraviolet absorber; the preparation process of the adhesive comprises the following steps: s1, sequentially pouring polyolefin, olefin-based elastomer, flame-retardant master batch, antioxidant and ultraviolet absorbent into a stirrer, and mixing the materials according to a proportion. Compared with the traditional pressure-sensitive adhesive or butyl adhesive, the preparation method of the adhesive special for the TPO waterproof material has the advantages that on the premise of ensuring no delamination, indexes such as ageing resistance, ultraviolet resistance, sheet adhesion and the like are obviously improved, and the adhesive layer is not separated from the sheet; the adhesion is extremely good.
Description
Technical Field
The invention relates to the technical field of building materials, in particular to a preparation method of an adhesive special for TPO waterproof materials.
Background
The majority of domestic TPO waterproof coiled materials are selected from hot-melt pressure-sensitive adhesives as adhesives, and the minority of domestic TPO waterproof coiled materials are selected from butyl adhesives as adhesives; the main reason is that the pressure-sensitive adhesive is simple in mode and convenient to operate; the butyl rubber needs special melt adhesive extrusion and knife coating equipment; however, the hot-melt pressure-sensitive adhesive is more prone to delamination than butyl adhesive because of the fact that the softening agent is easy to separate out after a long time; to achieve a complete non-delamination of the adhesive from the sheet material, hot melt pressure sensitive adhesives are not possible and butyl adhesives are possible.
In the gluing stage of the TPO waterproof coiled material in the production process, the situation that the uniformity of the gluing amount on the cross section is slightly poor inevitably occurs, and no better solution exists in the situation at present; the precision of the forming die and the precision of the gluing die are related; we can do so only with efforts to reduce this error. The error can be controlled to be about 6% at present.
The prior patent (publication number: CN 108485582A) discloses a special solvent type double-component polyurethane adhesive for waterproof materials and a preparation method thereof, wherein the adhesive is prepared from adhesive A and adhesive B, wherein the adhesive A is prepared from polyol, isophthalic acid, adipic acid and diglycol serving as raw materials, tetrabutyl titanate serving as a catalyst and nitrogen serving as a reaction protection system, so as to prepare polyester polyol, and then the polyester polyol is reacted with IPDI and ethyl acetate to obtain adhesive A; the glue B is prepared from TDI, MDI, ethyl acetate and trimethylolpropane, wherein the mixing ratio of the glue A to the glue B is 5:1, adding 9 parts of ethyl acetate to obtain the solvent type double-component polyurethane adhesive. The special solvent-based two-component polyurethane adhesive product for the waterproof material has good composite strength and boiling resistance, so that the special solvent-based two-component polyurethane adhesive product can be used for the special glue for the waterproof material composite film, the parameters of the preparation process are easy to control, the preparation process is free from emission, and the special solvent-based two-component polyurethane adhesive product belongs to an environment-friendly production scheme. But butyl rubber is pure rubber, has poor compatibility with TPO sheets, does not dare to ensure that the butyl rubber is not delaminated completely for a long time, and cannot well meet the use requirements of people.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a preparation method of an adhesive special for TPO waterproof materials, which solves the problems that butyl rubber is pure rubber, has poor compatibility with TPO sheets and is not dare to ensure that the adhesive is not delaminated completely for a long time in the prior art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the preparation method of the adhesive special for TPO waterproof materials comprises the following raw materials in parts by mass as 100 percent: the mass ratio of polyolefin is 60-65%; 24-28% of olefin elastomer; 8-12% of flame-retardant functional master batch; 0.4 to 0.6 percent of antioxidant; 0.4 to 0.6 percent of ultraviolet absorber;
the preparation process of the adhesive comprises the following steps:
s1, sequentially pouring polyolefin, olefin-based elastomer, flame-retardant master batch, antioxidant and ultraviolet absorbent into a stirrer, and mixing the materials according to a proportion;
s2, feeding the mixed materials into a parallel double-screw extruder for extrusion plasticizing operation in a particle metering mode;
s3, introducing the molten material into a press roller for tabletting and shaping;
s4, throwing in a special adhesive for TPO to set the adhesive coating gram weight, starting a linkage device, and uniformly and thermally coating the TPO adhesive on the TPO sheet;
s5, attaching the 3.8 silk PE isolating membrane to the surface of the special adhesive for TPO;
s6, carrying out rolling and packaging after natural cooling.
Optionally, the rotational speed of the stirrer in the step S1 in the material mixing process is set to 120-240 r/min, and the stirring time is set to 30-90 min.
Optionally, the screw temperature of the extruder in S2 during use is set to 185 ℃.
Optionally, the temperature of the runner of the extruder in S2 is set to 175 ℃ during use.
Optionally, the temperature of the die of the extruder in S2 during use is set to 175 ℃.
Optionally, the temperature of the pressing roller in S3 is set to 35 ℃ during the use process.
Optionally, the temperature of the extruder for the TPO special glue in the step S4 is set to 140 ℃.
The invention provides a preparation method of an adhesive special for TPO waterproof materials, which has the following beneficial effects:
the preparation method of the adhesive special for the TPO waterproof material comprises the steps of selecting a copolymer of rubber and polyolefin elastomer as a main material, adding a softener and other various auxiliary agents, and carrying out banburying reaction at high temperature and high pressure. In terms of formulation design, compatibility between different types of rubber and polyolefin elastomers and the availability of chemical reactions are fully considered. The physical properties and chemical properties of the rubber-polyolefin elastomer copolymer prepared under different reaction conditions are compared, and then a proper rubber-polyolefin elastomer copolymer is selected. In which the creep properties of the product are focused on, in general the better the creep properties of the product, the longer the time the stronger the sticking. Through researches, all performance indexes of the butyl rubber-POE copolymer meet the requirements. The butyl rubber-POE copolymer selected by the adhesive has the advantages of good air tightness, heat resistance, ozone resistance, aging resistance, chemical corrosion resistance, shock absorption, electrical insulation, good resistance to sunlight and ozone and the like of the butyl rubber, and also has the advantages of excellent weld line strength, good dispersibility, high impact strength and outstanding forming capability of the POE. With the addition of various auxiliary agents, the advantages of aging resistance, chemical corrosion resistance and the like of the product are improved again, and the product can be exposed for use;
the polyolefin elastomer and the main material of the TPO sheet are of the same kind, so the polyolefin elastomer has extremely good compatibility with the TPO sheet and extremely strong adhesion with the sheet; because the creep property is good, the product only sticks more and more firmly along with the time, and the phenomenon that the adhesive layer is separated from the sheet layer can be well avoided.
Drawings
FIG. 1 is a graph showing the comparison of the performance of various adhesives in the preparation method of the adhesive special for TPO waterproof material;
FIG. 2 is a comparative schematic diagram of the peeling phenomenon in the preparation method of the adhesive special for TPO waterproof material.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 2, the present invention provides a technical solution: the preparation method of the adhesive special for TPO waterproof materials comprises the following raw materials in parts by mass as 100 percent: the mass ratio of polyolefin is 60-65%; 24-28% of olefin elastomer; 8-12% of flame-retardant functional master batch; 0.4 to 0.6 percent of antioxidant; 0.4 to 0.6 percent of ultraviolet absorber;
the preparation process of the adhesive comprises the following steps:
s1, sequentially pouring polyolefin, olefin-based elastomer, flame-retardant master batch, antioxidant and ultraviolet absorbent into a stirrer, and mixing the materials according to a proportion;
s2, feeding the mixed materials into a parallel double-screw extruder for extrusion plasticizing operation in a particle metering mode;
s3, introducing the molten material into a press roller for tabletting and shaping;
s4, throwing in a special adhesive for TPO to set the adhesive coating gram weight, starting a linkage device, and uniformly and thermally coating the TPO adhesive on the TPO sheet;
s5, attaching the 3.8 silk PE isolating membrane to the surface of the special adhesive for TPO;
s6, carrying out rolling and packaging after natural cooling.
Example two
Referring to fig. 1 to 2, the present invention provides a technical solution: the preparation method of the adhesive special for TPO waterproof materials comprises the following raw materials in parts by mass as 100 percent: the mass ratio of polyolefin is 65%; 25% of an olefin-based elastomer; 9% of flame-retardant functional master batch; 0.5% of antioxidant; 0.5% of an ultraviolet absorber;
the preparation process of the adhesive comprises the following steps:
s1, sequentially pouring polyolefin, olefin-based elastomer, flame-retardant master batch, antioxidant and ultraviolet absorbent into a stirrer, and mixing the materials according to a proportion;
s2, feeding the mixed materials into a parallel double-screw extruder for extrusion plasticizing operation in a particle metering mode;
s3, introducing the molten material into a press roller for tabletting and shaping;
s4, throwing in a special adhesive for TPO to set the adhesive coating gram weight, starting a linkage device, and uniformly and thermally coating the TPO adhesive on the TPO sheet;
s5, attaching the 3.8 silk PE isolating membrane to the surface of the special adhesive for TPO;
s6, carrying out rolling and packaging after natural cooling.
In the embodiment, the rotating speed of the stirrer in the S1 in the material mixing process is set to be 120-240 r/min, and the stirring time is set to be 30-90 min.
In this example, the screw temperature of the extruder in S2 during use was set at 185 ℃.
In this example, the flow path temperature of the extruder in S2 during use was set to 175 ℃.
In this example, the die temperature of the extruder in S2 during use was set to 175 ℃.
In this example, the temperature of the press roller in S3 during use was set to 35 ℃.
In this example, the temperature of the extruder for the TPO-dedicated glue in S4 was set to 140 ℃.
Example III
Referring to fig. 1 to 2, the present invention provides a technical solution: the preparation method of the adhesive special for TPO waterproof materials comprises the following raw materials in parts by mass as 100 percent: the mass ratio of polyolefin is 60%; 28% of an olefin-based elastomer; 10% of flame-retardant functional master batch; 0.6% of antioxidant; 0.4% of ultraviolet absorber;
the preparation process of the adhesive comprises the following steps:
s1, sequentially pouring polyolefin, an olefin-based elastomer, a flame-retardant master batch, an antioxidant and an ultraviolet absorbent into a stirrer, mixing materials according to a proportion, wherein the rotating speed of the stirrer in the material mixing process is set to be 120-240 r/min, and the stirring time is set to be 30-90 min;
s2, feeding the mixed materials into a parallel double-screw extruder in a particle metering mode to carry out extrusion plasticizing operation, wherein the screw temperature of the extruder in the use process is set to 185 ℃, the runner temperature of the extruder in the use process is set to 175 ℃, and the die temperature of the extruder in the use process is set to 175 ℃;
s3, introducing the molten material into a press roller for tabletting and shaping, wherein the temperature of the press roller is set to be 35 ℃ in the using process;
s4, throwing in a special adhesive for TPO to set the glue coating gram weight, starting a linkage device, uniformly and thermally coating the TPO adhesive on the TPO sheet, and setting the temperature of a special adhesive extruder for TPO to be 140 ℃;
s5, attaching the 3.8 silk PE isolating membrane to the surface of the special adhesive for TPO;
s6, carrying out rolling and packaging after natural cooling.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (7)
- The preparation method of the adhesive special for the TPO waterproof material is characterized by comprising the following steps: the adhesive is 100% in mass part, and the raw materials comprise the following components in percentage by mass: the mass ratio of polyolefin is 60-65%; 24-28% of olefin elastomer; 8-12% of flame-retardant functional master batch; 0.4 to 0.6 percent of antioxidant; 0.4 to 0.6 percent of ultraviolet absorber;the preparation process of the adhesive comprises the following steps:s1, sequentially pouring polyolefin, olefin-based elastomer, flame-retardant master batch, antioxidant and ultraviolet absorbent into a stirrer, and mixing the materials according to a proportion;s2, feeding the mixed materials into a parallel double-screw extruder for extrusion plasticizing operation in a particle metering mode;s3, introducing the molten material into a press roller for tabletting and shaping;s4, throwing in a special adhesive for TPO to set the adhesive coating gram weight, starting a linkage device, and uniformly and thermally coating the TPO adhesive on the TPO sheet;s5, attaching the 3.8 silk PE isolating membrane to the surface of the special adhesive for TPO;s6, carrying out rolling and packaging after natural cooling.
- 2. The method for preparing the adhesive special for the TPO waterproof material according to claim 1, which is characterized in that: the rotating speed of the stirrer in the step S1 in the material mixing process is set to be 120-240 r/min, and the stirring time is set to be 30-90 min.
- 3. The method for preparing the adhesive special for the TPO waterproof material according to claim 1, which is characterized in that: the screw temperature of the extruder in S2 during use was set at 185 ℃.
- 4. The method for preparing the adhesive special for the TPO waterproof material according to claim 1, which is characterized in that: the temperature of the runner of the extruder in the step S2 is set to 175 ℃ in the using process.
- 5. The method for preparing the adhesive special for the TPO waterproof material according to claim 1, which is characterized in that: the die temperature of the extruder in S2 is set to 175 ℃ during use.
- 6. The method for preparing the adhesive special for the TPO waterproof material according to claim 1, which is characterized in that: the temperature of the compression roller in the step S3 is set to be 35 ℃ in the using process.
- 7. The method for preparing the adhesive special for the TPO waterproof material according to claim 1, which is characterized in that: the temperature of the extruder for the TPO special glue in the step S4 is set to 140 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310551870.7A CN116496723A (en) | 2023-05-17 | 2023-05-17 | Preparation method of adhesive special for TPO waterproof material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310551870.7A CN116496723A (en) | 2023-05-17 | 2023-05-17 | Preparation method of adhesive special for TPO waterproof material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116496723A true CN116496723A (en) | 2023-07-28 |
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| CN202310551870.7A Pending CN116496723A (en) | 2023-05-17 | 2023-05-17 | Preparation method of adhesive special for TPO waterproof material |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040661A (en) * | 2019-12-27 | 2020-04-21 | 上海邦中高分子材料股份有限公司 | Hot melt adhesive film for bonding TPO (thermoplastic polyolefin) waterproof coiled material and metal plate and preparation method thereof |
| CN112694680A (en) * | 2020-12-23 | 2021-04-23 | 广州大禹防漏技术开发有限公司 | Polyolefin elastomer waterproof coiled material and preparation method thereof |
| CN114044949A (en) * | 2021-12-15 | 2022-02-15 | 云南欣城防水科技有限公司 | Flame-retardant TPO waterproof coiled material and preparation process thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040661A (en) * | 2019-12-27 | 2020-04-21 | 上海邦中高分子材料股份有限公司 | Hot melt adhesive film for bonding TPO (thermoplastic polyolefin) waterproof coiled material and metal plate and preparation method thereof |
| CN112694680A (en) * | 2020-12-23 | 2021-04-23 | 广州大禹防漏技术开发有限公司 | Polyolefin elastomer waterproof coiled material and preparation method thereof |
| CN114044949A (en) * | 2021-12-15 | 2022-02-15 | 云南欣城防水科技有限公司 | Flame-retardant TPO waterproof coiled material and preparation process thereof |
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