CN103194159A - Hot-melt pressure-sensitive adhesive and preparation method thereof - Google Patents
Hot-melt pressure-sensitive adhesive and preparation method thereof Download PDFInfo
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- CN103194159A CN103194159A CN2013101338311A CN201310133831A CN103194159A CN 103194159 A CN103194159 A CN 103194159A CN 2013101338311 A CN2013101338311 A CN 2013101338311A CN 201310133831 A CN201310133831 A CN 201310133831A CN 103194159 A CN103194159 A CN 103194159A
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Abstract
The invention relates to a hot-melt pressure-sensitive adhesive for high-density polyethylene self-adhesion coiled materials and a preparation method thereof. The pressure-sensitive adhesive is prepared by the following steps: compounding a propenyl olefine elastomer as a main matrix resin with sodium dodecyl sulfate (SDS) synthetic rubber with a proper content of diblocks (DB) so as to modify the elastomer; and additionally compounding with proper polyisobutylene, naphthenic oil, petroleum resin, tackifying resin, an antioxidant and the like. According to the adhesive, the characteristics of excellent elasticity, easiness in processing, compatibility with various materials, excellent chemical resistance and long-term ageing resistance of an alkenyl elastomer are fully utilized, and the hot-melt pressure-sensitive adhesive product with excellent normal-temperature physical property, high transparency, good wettability and excellent adhesion to high-density polyethylene (HDPE) base materials and low cost is provided.
Description
Technical field
The invention belongs to chemical field, relate to a kind of hot-fusible pressure-sensitive adhesive and preparation method thereof, specifically, relate to a kind of high density polyethylene(HDPE) self-adhesive coiled material hot-fusible pressure-sensitive adhesive and preparation method thereof.
Background technology
High density polyethylene(HDPE) (HDPE) self-adhesion glued membrane waterproof roll and overlay anti-sticking operating technique was introduced China by the famous enterprise of the U.S. and is carried out model at the tunneling subway sectional tunnel and lay the twenties in 20th century.In November, 2008 and in March, 2009 country's issue relevant criterion is widelyd popularize the application that overlays operating technique and adhesive waterproof coil material.
Because polyethylene is non-polar material, surface energy is lower, belongs to difficult sticking material.The hot-fusible pressure-sensitive adhesive that is used for the bonded polyethylene material must have stronger wetting effect.Only 0.2mm～0.5mm is thick in product for HDPE self-adhesion glued membrane waterproof roll hot-fusible pressure-sensitive adhesive, therefore requires this tackiness agent must have stronger force of cohesion and just can meet the requirements of bonding strength.HDPE self-adhesion glued membrane waterproof roll hot-fusible pressure-sensitive adhesive must have high temperature resistant, low-temperature performance, in order to avoid because of the construction of the influence of temperature change material in summer or winter.After HDPE self-adhesion glued membrane waterproof roll hot-fusible pressure-sensitive adhesive overlays on the coiled material, coiled material rolling and when unreeling, wrinkling for preventing glue-line, this tackiness agent needs that also certain elasticity is arranged.Through experiment sieving, determine that it is basic bonding material that hot-fusible pressure-sensitive adhesive of the present invention adopts a kind of propylene-based elastomeric of alkylene.This propylene-based elastomeric has excellent elasticity, is easy to processing, and is good with the various types of materials consistency, realized balance between flexible, transparency and the adhesive property with its hot-fusible pressure-sensitive adhesive of making.
When selecting tackifier, consider the singularity of olefin type elastomer molecular structure, at first select solubility parameter to approach, consistency is tackifying resin preferably; The characteristics of tackifying resin, if softening temperature is low, the viscosity height, its clinging power, confining force descend; Otherwise if the softening temperature height, viscosity is low, and then its clinging power, confining force rise, and high thermal resistance is good, winter hardiness is poor, carries out choose reasonable, collocation according to These characteristics, just can obtain satisfied result of use.
The consistency of polyisobutene, cycloalkanes wet goods material and macromolecular material is good, and the softening agent of Chang Zuowei rubber based adhesives low temperature performance excellent or tenderizer use.Its plastification mainly relies on polar group, when polyisobutene be heated enter between the polymer molecule after, the polarity of polar group and polymer molecule partly attracts each other, just be fixed on this position after the cooling, thereby hindered attracting each other of polymer molecule, and making their " motion " (namely having eliminated part " node ") easily, the result causes polymkeric substance to be plastified, and has improved the pressure-sensitive under the normal temperature.Polyisobutene makes the reactive force between the elastomerics macromole reduce, intermolecular can slippage, thereby reduced the viscosity of reaction system, improved it and produced and the process operation performance.And because the Tg of polyisobutene is generally less than-50 ℃, can improve tack, flexibility under the hot melt adhesive low temperature.Polyisobutene and most of hydrocarbon polymer and organic substance consistency are fabulous, can improve hot melt adhesive to the sticking power of base material.But, owing to add tenderizer, particularly easily and the tenderizer that dissolves each other of SDS (being phenylethylene-dialkene-styrene block copolymer Styrene Diene Styrene block copolymer) plastics segment, tenderizer can " shield and loose " active group of macromolecular compound, weaken Intermolecular Forces (namely reducing force of cohesion), therefore, the consumption of polyisobutene, cycloalkanes wet goods tenderizer is unsuitable too many.
The easily oxidized and variable color of two keys of elastomerics or tackifying resin and carboxyl, need to add oxidation inhibitor with each gradation composition of guaranteeing hot melt adhesive mix and use in do not decompose, variable color.Oxidation inhibitor is generally phenolic antioxidant, as antioxidant 1010,264, DLTP, also can adopt metal-salt such as antiager BZ and the antioxidant 330 of alkyl or dialkyldithiocarbamacompositions, and its mixing result of use is fine; Adopt steric hindrance croak pyridine class and bulky amine kind antioxidant to add phosphoric acid ester and do auxiliary anti-oxidant, its antiageing effect is best.
Protection during process operation: at a high speed and under 120～204 ℃ the condition, eliminating oxygen is the effective ways of avoiding polymer degradation.When the melting mixing aerobic exists, the viscosity noticeable change, thus cause rotating speed to increase, available some stablizer (as with 1～5phr antioxidant BZ) makes the degraded minimizing.The open type agitator contacts with air at most, and the leaf mixing tank of airtight ∑ contacts minimum with air.Under the situation of anaerobic, suitable temperature and mechanically mixing can not cause too big degraded.
Summary of the invention
In order to satisfy the performance need of HDPE self-adhesion glued membrane waterproof roll, a kind of propenyl olefin type elastomer of the present invention is main matrix resin, the SDS synthetic rubber of composite certain diblock (diblock is DB) content carries out elastomer-modified, auxiliaryly again is equipped with suitable polyisobutene, naphthenic oil, petroleum resin tackifying resin, oxidation inhibitor etc. and makes.Taken full advantage of like this alkylene elastomerics excellence elasticity, be easy to process, with compatible, the excellent chemical resistant properties of various materials and the characteristics of long-term ageing resistance, obtain normal temperature physicals excellence, the transparency height, good to HDPE ground wetting property, sticking power is excellent, the product of the unconventional hot-fusible pressure-sensitive adhesive far away that cost is much lower relatively.Simultaneously, the raw materials for production of this hot-fusible pressure-sensitive adhesive are easy to use, do not need specific installation and special process, make manufacturing expense significantly reduce.Therefore the hot-fusible pressure-sensitive adhesive of the present invention's preparation have that preparation is simple, nontoxic, storing and transporting security, remarkable advantage such as easy to use.
The present invention is achieved in that a kind of hot-fusible pressure-sensitive adhesive for self-adhesive coiled material, the mass percent of its each component is: 20%～26% propenyl olefin type elastomer, 1%～3% modified elastomer, 10%～39% polyisobutene, 0～10% naphthenic oil, 30%～45% C 5 petroleum resin, 1,3%～5% C 5 petroleum resin 2,4%～5% C 5/C nine copolymerized petroleum resins 3, and micro-oxidation inhibitor.
The present invention also provides the preparation method of this hot-fusible pressure-sensitive adhesive, and is specific as follows: at first production unit is heated to 150 ℃～170 ℃, preferably 160 ℃.Add polyisobutene and naphthenic oil, start stirring, add matrix resin, modified elastomer and micro-oxidation inhibitor, just changeing counter-rotating stirred for several minute, add petroleum resin more rapidly.Insulated and stirred 1～3 hour best 1.5 hours, is filtered, the row of insulation bubble at last.Prepared hot-fusible pressure-sensitive adhesive can be coated with use, or makes the prefabricated section packing, so that accumulating and quantitatively use.
15%, 23 ℃ of tension fracture strain＞2000% of its ethylene content of propylene-based elastomeric, melting index 7.4g/10min, proportion 0.8～0.9,48 ℃ of vicat softening temperatures.Modified elastomer is the SDS thermoplastic elastomer, and its polystyrene (PS) content is 15%, polydiolefin (PD) content 85%, S-D diblock (DB) content 17%～33%, and narrow molecular weight distribution.The polyisobutene molecular weight is less than 1000, pour point-4 ℃～-30 ℃, proportion 0.850～0.900.100～127 ℃ of C 5 petroleum resin 1 softening temperatures, initial look be number smaller or equal to 2,31 ℃～50 ℃ of second-order transition temperatures, weight-average molecular weight (Mw) 370～400.120～144 ℃ of C 5 petroleum resin 2 softening temperatures, initial look are number smaller or equal to 2,50 ℃～85 ℃ of second-order transition temperatures, Mw430～460.C 5/C nine copolymerized petroleum resins 3 softening temperatures are 103～130 ℃, and initial look is number smaller or equal to 2,48 ℃～78 ℃ of second-order transition temperatures, Mw500～520.
The invention has the advantages that: produce easily and go, need not special producing equipment, manufacturing expense is low; Technology is reasonable, and the raw material interpolation need not complexity or difficult pretreatment process.
This HDPE self-adhesive coiled material is limpid transparent with the colourless or little yellow of hot-fusible pressure-sensitive adhesive, 140 ℃ of coating uses down, under the normal temperature various polarity, non-polar material there is good adhesive power, its 180 ℃ of stripping strengths are considerably beyond the national standard requirement, and the relative very low comprehensive premium properties of raw materials cost.
Embodiment
Below by specific embodiment the present invention is described in further detail.
Embodiment 1
Equipment is heated to 160 ℃, add the 37.1kg polyisobutene, start and stir, add 21.1kg matrix resin and 1.0kg composite elastic body, add 0.6kg oxidation inhibitor, add 31.7kg C 5 petroleum resin 1 and 4.0kg C 5 petroleum resin 2 again, 4.5kg C 5 petroleum resin 3 keeps temperature to stir 1 hour.Measure its performance.See Table one.
Comparative example 1
Equipment is heated to 160 ℃, add the 35.9kg polyisobutene, start and stir, add 21.1kg matrix resin and 1.0kg composite elastic body, add 0.6kg oxidation inhibitor, add 33.1kg C 5 petroleum resin 1 and 4.0kg C 5 petroleum resin 2 again, 4.3kg C 5 petroleum resin 3 keeps temperature to stir 1 hour.Measure its performance.See Table one.
Comparative example 2
Equipment is heated to 160 ℃, add the 35.5kg polyisobutene, start and stir, add 21.1kg matrix resin and 1.8kg composite elastic body, add 0.6kg oxidation inhibitor, add 32.8kg C 5 petroleum resin 1 and 4.0kg C 5 petroleum resin 2 again, 4.2kg C 5 petroleum resin 3 keeps temperature to stir 1 hour.Measure its performance.See Table one.
The table one HDPE self-adhesive coiled material performance of hot-fusible pressure-sensitive adhesive
Claims (10)
1. hot-fusible pressure-sensitive adhesive that is used for the high density polyethylene(HDPE) self-adhesive coiled material, it is characterized in that: by percentage to the quality, by 20%～26% propenyl olefin type elastomer, 1%～3% modified elastomer, 10%～39% polyisobutene, 0～10% naphthenic oil, 30%～45% C 5 petroleum resin 1, C 5/C nine copolymerized petroleum resins 3 of 3%～5% C 5 petroleum resin 2,4%～5%, and micro-oxidation inhibitor is formed.
2. hot-fusible pressure-sensitive adhesive according to claim 1, the ethene component content that it is characterized in that described propenyl olefines special elastomer is 15%, 23 ℃ of tension fracture strain＞2000%, melting index 7.4g/10min, proportion 0.8～0.9,48 ℃ of vicat softening temperatures.
3. hot-fusible pressure-sensitive adhesive according to claim 1 is characterized in that described modified elastomer is a kind of SDS thermoplastic elastomer, and wherein polystyrene content is 15%, polydiolefin content 85%, S-D diblock content 17%～33%, and narrow molecular weight distribution.
4. hot-fusible pressure-sensitive adhesive according to claim 1 is characterized in that described polyisobutene molecular weight less than 1000, and pour point is-4 ℃～-30 ℃, proportion 0.850～0.900.
5. hot-fusible pressure-sensitive adhesive according to claim 1 is characterized in that described naphthenic oil model is KN-4010,215 ℃ of its flash-points, 0.907,40 ℃ of kinematic viscosity 166.1cSt of proportion, 100 ℃ of kinematic viscosity 10.50cSt, pour point-24 ℃, molecular-weight average 360.
6. hot-fusible pressure-sensitive adhesive according to claim 1, it is characterized in that described C 5 petroleum resin 1 is light alicyclic hydrocarbon type hydrogenated petroleum resin, softening temperature is 100～127 ℃, and initial look is number smaller or equal to 2,31 ℃～50 ℃ of second-order transition temperatures, weight-average molecular weight 370～400.
7. hot-fusible pressure-sensitive adhesive according to claim 1, it is characterized in that described C 5 petroleum resin 2 is water white alicyclic hydrocarbon type hydrogenated petroleum resins, softening temperature is 100～144 ℃, and initial look is number smaller or equal to 2,50 ℃～85 ℃ of second-order transition temperatures, weight-average molecular weight 430～460.
8. hot-fusible pressure-sensitive adhesive according to claim 1, it is characterized in that described C 5/C nine copolymerized petroleum resins 3 are light yellow alicyclic hydrocarbon type hydrogenated petroleum resins, softening temperature is 103～130 ℃, and initial look is number smaller or equal to 2,48 ℃～78 ℃ of second-order transition temperatures, weight-average molecular weight 500～520.
9. a method for preparing the described hot-fusible pressure-sensitive adhesive of claim 1 is characterized in that comprising the steps:
Production unit is heated to 150 ℃～170 ℃, adds polyisobutene 1 and naphthenic oil, start stirring, add matrix resin, modified elastomer and micro-oxidation inhibitor, just changeing counter-rotating stirred for several minute;
Add petroleum resin 1 and petroleum resin 2 in the mixture that previous step forms rapidly, insulated and stirred 1～3 hour is filtered, the row of insulation steeps at last.
10. method as claimed in claim 8 is characterized in that described Heating temperature is preferably 160 ℃, and the described insulated and stirred time is preferably 1.5 hours.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104293255A (en) * | 2013-07-19 | 2015-01-21 | 北京东方雨虹防水技术股份有限公司 | Hot melt pressure-sensitive adhesive for high adhesive strength HDPE self-adhesive coiled materials, and preparation method thereof |
| CN104926972A (en) * | 2015-06-10 | 2015-09-23 | 辽阳辽化奇达化工有限责任公司 | Amorphous alpha-olefin copolymer and application thereof in preparation of non-woven fabric hot melt adhesive |
| CN106634826A (en) * | 2016-12-05 | 2017-05-10 | 钦州市钦南区生产力促进中心 | Hot-melt pressure-sensitive adhesive and preparation method thereof |
| CN107987761A (en) * | 2017-12-23 | 2018-05-04 | 武汉市恒星防水材料有限公司 | A kind of hot-fusible pressure-sensitive adhesive and its preparation method and application |
| CN108192522A (en) * | 2017-12-23 | 2018-06-22 | 武汉市恒星防水材料有限公司 | A kind of HDPE chemical bondings type adhesive waterproof coil |
| CN108690539A (en) * | 2017-03-17 | 2018-10-23 | 武汉市恒星防水材料有限公司 | A kind of special hot-fusible pressure-sensitive adhesive of HDPE waterproof rolls and preparation method thereof |
| CN112375520A (en) * | 2020-11-03 | 2021-02-19 | 广东能辉新材料科技有限公司 | SBC hot-melt pressure-sensitive adhesive, preparation method and application thereof, and waterproof roll |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104293255A (en) * | 2013-07-19 | 2015-01-21 | 北京东方雨虹防水技术股份有限公司 | Hot melt pressure-sensitive adhesive for high adhesive strength HDPE self-adhesive coiled materials, and preparation method thereof |
| CN104293255B (en) * | 2013-07-19 | 2016-12-28 | 东方雨虹民用建材有限责任公司 | A kind of high glue strong HDPE self-adhesive coiled material hot-fusible pressure-sensitive adhesive and preparation method thereof |
| CN104926972A (en) * | 2015-06-10 | 2015-09-23 | 辽阳辽化奇达化工有限责任公司 | Amorphous alpha-olefin copolymer and application thereof in preparation of non-woven fabric hot melt adhesive |
| CN106634826A (en) * | 2016-12-05 | 2017-05-10 | 钦州市钦南区生产力促进中心 | Hot-melt pressure-sensitive adhesive and preparation method thereof |
| CN108690539A (en) * | 2017-03-17 | 2018-10-23 | 武汉市恒星防水材料有限公司 | A kind of special hot-fusible pressure-sensitive adhesive of HDPE waterproof rolls and preparation method thereof |
| CN107987761A (en) * | 2017-12-23 | 2018-05-04 | 武汉市恒星防水材料有限公司 | A kind of hot-fusible pressure-sensitive adhesive and its preparation method and application |
| CN108192522A (en) * | 2017-12-23 | 2018-06-22 | 武汉市恒星防水材料有限公司 | A kind of HDPE chemical bondings type adhesive waterproof coil |
| CN108192522B (en) * | 2017-12-23 | 2021-01-01 | 武汉市恒星防水材料有限公司 | HDPE chemical bonding type self-adhesion waterproofing membrane |
| CN112375520A (en) * | 2020-11-03 | 2021-02-19 | 广东能辉新材料科技有限公司 | SBC hot-melt pressure-sensitive adhesive, preparation method and application thereof, and waterproof roll |
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