CN102604570A - Hot-melt pressure-sensitive adhesive for HDPE (high-density polyethylene) self-adhesive rolls and preparation method thereof - Google Patents
Hot-melt pressure-sensitive adhesive for HDPE (high-density polyethylene) self-adhesive rolls and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a hot-melt pressure-sensitive adhesive for HDPE self-adhesive rolls, which consists of the following materials in percentage by mass: 18 to 21 percent of styrene isoprene styrene block polymer (SIS) thermoplastic elastomer, 2 to 5 percent of composite elastomer, 15 to 24 percent of first polyisobutene, 10 to 12 percent of second polyisobutene, 30 to 40 percent of first C5 petroleum resin, 5 to 12 percent of second C5 petroleum resin, 5 to 12 percent of third C5 petroleum resin and a trace amount of antioxidant. The disclosed hot-melt pressure-sensitive adhesive effectively utilizes the stable high-low temperature properties of SIS, the excellent adhesive force of the composite elastomer and the low high-temperature viscosity of the two types of elastomers benefiting coating construction, so that a product which not only can resist high temperature and low temperature but also has excellent normal-temperature properties and is far better than the conventional hot-melt pressure-sensitive adhesive is obtained, furthermore, the invention also discloses a preparation method for the hot-melt pressure-sensitive adhesive, the process of the preparation method is simple, special production equipment is not needed, the production cost is low, and moreover, a complex or difficult preprocessing process is not needed.
Description
Technical field
The present invention relates to a kind of hot-fusible pressure-sensitive adhesive, belong to the materials chemistry field.
Background technology
High density polyethylene(HDPE) (HDPE) self-adhesion glued membrane waterproof roll and overlay anti-sticking operating technique; Introduce China and carry out the model laying by the U.S. the twenties in 20th century at the tunneling subway sectional tunnel; Receiving subway design, construction and Construction Party's extensive welcome, is a kind of application construction material very widely.
Because Vilaterm is a 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, tackiness agent also needs certain elasticity.
Summary of the invention
To prior art to the performance requriements of HDPE self-adhesive coiled material with hot-fusible pressure-sensitive adhesive; The applicant finds through hundreds of times test; Adopting polystyrene-poly isoprene-PS (Styrene isoprene styrene block polymer is called for short SIS) thermoplastic elastomer is basic bonding material, acts synergistically with composite elastic body; Be aided with auxiliary agents such as polyisobutene, C 5 petroleum resin; Resulting HDPE self-adhesive coiled material is not only high temperature resistant with hot-fusible pressure-sensitive adhesive, low temperature, and the normal temperature excellent performance, unconventional hot-fusible pressure-sensitive adhesive far away.Simultaneously, producing this hot-fusible pressure-sensitive adhesive does not need specific installation and special process, makes manufacturing expense significantly reduce, and has advantages such as simple, nontoxic, the storing and transporting security of preparation, easy to use, energy-conserving and environment-protective.
Based on above-mentioned discovery, the invention discloses a kind of HDPE self-adhesive coiled material and use hot-fusible pressure-sensitive adhesive, realize through following technical scheme:
A kind of HDPE self-adhesive coiled material is used hot-fusible pressure-sensitive adhesive, and in mass percent, each raw material is formed as follows: 18%～21% polystyrene-poly isoprene-thermoplastic polystyrene elastomer; 2%～5% composite elastic body; 15%～24% the first polyisobutene, 10%～12% the second polyisobutene, 30%～40% the first C 5 petroleum resin; 5%～12% the second C 5 petroleum resin, 5%～12% 3rd C 5 petroleum resin and micro-oxidation inhibitor.
In the present invention, used polystyrene-poly isoprene-thermoplastic polystyrene elastomer wherein the PS phase content be 15%.
In the present invention; Said composite elastic body can be at any available composite elastic body of hot-fusible pressure-sensitive adhesive; For example SE composite elastic body, PVC/PU composite elastic body, PUR/PS composite elastic body etc.; Olefines special elastomer preferably, therein ethylene content 15%, for example ethylene content is 15% SE elastomerics, polytetrafluoroethylcomposite composite elastic body, urethane vinyl ester resin composite elastic body etc.
In the present invention, the said first polyisobutene molecular weight is less than 1000, pour point-4 ℃～-30 ℃; The said second polyisobutene molecular weight distributing index 2.5,67.5 ℃ of yield points, 26.5,160 ℃ of kinetic viscosity indexes of staudinger index 52000mPas, 25 ℃ of following penetration degree (182 1/10mm of 100g * 5sec), (225 1/10mm of 150g * 5sec).
In the present invention, said first C 5 petroleum resin is light alicyclic hydrocarbon type hydrogenated petroleum resin, 100～127 ℃ of softening temperatures, and initial look is number smaller or equal to 2; Said second C 5 petroleum resin is a water white alicyclic hydrocarbon type hydrogenated petroleum resin, 100～144 ℃ of softening temperatures, and initial look is number smaller or equal to 2; Said the 3rd C 5 petroleum resin is a water white alicyclic hydrocarbon type hydrogenated petroleum resin, 100～144 ℃ of molecular-weight average softening temperatures, and initial look is number smaller or equal to 2.
In the present invention; Described antioxidant content is a trace, and its concrete consumption can rationally be adjusted according to concrete processing requirement and production requirement by those skilled in the art, and described oxidation inhibitor is chemical industry common kind arbitrarily; For example 2; The chemical industry oxidation inhibitor commonly used such as metal-salt of three grades of butyl of 6--4-methylphenol, two (3, three grades of butyl of 5--4-hydroxy phenyl) thioether, four (β-(3, three grades of butyl of 5--4-hydroxy phenyl) propionic acid) pentaerythritol ester, dialkyldithiocarbamacompositions; Preferably adopt steric hindrance croak pyridine class and bulky amine kind antioxidant to add SULPHOSUCCINIC ACID ESTER and do auxiliary anti-oxidant, its antiageing effect is best.
HDPE self-adhesive coiled material of the present invention is used hot-fusible pressure-sensitive adhesive, and adopting polystyrene-poly isoprene-PS (Styrene isoprene styrene block polymer is called for short SIS) thermoplastic elastomer is basic bonding material.SIS is a kind of TPR of A-B-A segmented copolymer, has both had the meltability and the thermoplasticity of PS, and the toughness and the elasticity of sulfuration TR 301 is at room temperature arranged again.Because high temperature or oxidation cause that the SIS chain rupture is main when wearing out, deliquescing is clamminess. cohesive strength descends, and melt viscosity reduces, and can not be used as hot melt adhesive separately, must be equipped with compositions such as tackifier, oxidation inhibitor, softening agent and could be used as hot melt adhesive.
Through select respectively with the SIS molecular structure in plastics mutually or compatible multiple C 5 petroleum resin, the C 5/C 9 petroleum resin combination use of rubber phase.With plastics (PS) compatible tackifying resin mutually, can improve the Young's modulus and the cohesive strength of hot melt adhesive, make glue be tending towards tough and tensile, increase " drawing-off " tendency, and initial bonding strength and stripping strength are not contributed; With the compatible tackifying resin of rubber phase (TR 301); Can reduce the modulus and the cohesive force of hot melt adhesive; Reduce " drawing-off " tendency, increase initial bonding strength and stripping strength, improve the characteristic adhesion of rubber phase polar substrates; The Tg of rubber phase is raise, and the way of the softening agent through using rubber phase can partly compensate the reduction of low-temperature pliability.The selection of tackifying resin taken into full account and the performance of biphase consistency and hot melt adhesive between balance, obtained satisfied result of use.
Through the softening agent of polyisobutene, rely on the polar group effect, after polyisobutene is heated between the entering polymer molecule as the rubber based adhesives low temperature performance excellent; 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 make its " motion " (promptly 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 SIS macromole reduce, intermolecular can slippage, thereby reduced the viscosity of reaction system, improved it and produced and the process operation performance.And, can improve tack, flexibility under the hot melt adhesive low temperature because of the Tg of polyisobutene is generally less than-50 ℃.Polyisobutene and most of hydrocarbon polymer and organic substance consistency are fabulous, can improve the sticking power of hot melt adhesive to base material.
Contain two keys in the SIS molecule; Oxidized and the variable color of two keys and the carboxyl that adds some tackifying resins; Therefore hot-fusible pressure-sensitive adhesive of the present invention added 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, like antioxidant 1010,264, DLTP; Also can adopt metal-salt such as the antiager BZ and the antioxidant 330 of alkyl or dialkyldithiocarbamacompositions, its mixing result of use is fine; Adopt steric hindrance croak pyridine class and bulky amine kind antioxidant to add SULPHOSUCCINIC ACID ESTER and do auxiliary anti-oxidant, its antiageing effect is best.
Accordingly, the invention also discloses the preparation method of said HDPE self-adhesive coiled material, comprise the steps: with hot-fusible pressure-sensitive adhesive
(1) production unit is heated to 160 ℃～180 ℃, adds first polyisobutene and second polyisobutene, stir two kinds of polyisobutene are mixed;
(2) add polystyrene-poly isoprene-thermoplastic polystyrene elastomer and composite elastic body, add micro-oxidation inhibitor, keep temperature to stir 20～60 minutes, to two kinds of elastomerics fusions and stir;
(3) add three kinds of C 5 petroleum resins rapidly, bubble is filtered, arranged to insulated and stirred 1～3 hour, and the prefabricated section packing is used or processed in coating.
Preferably, said step (1) Heating temperature is 165 ℃～175 ℃, and step (2) churning time is 30～40 minutes, and step (3) the insulated and stirred time is 2 hours.
HDPE self-adhesive coiled material of the present invention is simple with hot-fusible pressure-sensitive adhesive production, need not special producing equipment, and manufacturing expense is low; And technology is reasonable; The raw material interpolation need not complicacy or difficult pretreatment process, and gained HDPE self-adhesive coiled material is used the hot-fusible pressure-sensitive adhesive water white transparency, and 160 ℃ of low being beneficial to of following viscosity are coated with use; Characteristics with energy-conserving and environment-protective; Have good resistance to low temperature simultaneously, under 23 ℃ of the normal temperature various polarity, non-polar material are had good adhesive power, its 180 ° of stripping strength MVs surpass the comprehensive premium properties that national standard requires.
Embodiment
Can understand invention essence of the present invention better in conjunction with embodiment; The embodiment that gives as preferably only being used to explain how the present invention realizes; The present invention is not constituted restriction, the change that those skilled in the art are carried out on this basis, replacement, consumption increase and decrease etc. still belong to protection scope of the present invention.
Following used composite elastic body, oxidation inhibitor etc. are like summary of the invention of the present invention said, and wherein used composite elastic body is the olefines special elastomer of ethylene content 15%.
Embodiment 1
Equipment is heated to 160 ℃; Add 22.5kg first polyisobutene and 24.1kg second polyisobutene, start and stir, add 17.8kgSIS and 7kg composite elastic body; Add 0.55kg oxidation inhibitor; Add 29.6kg first C 5 petroleum resin and 11.3kg second C 5 petroleum resin again, 8.3kg the 3rd C 5 petroleum resin keeps temperature to stir 2 hours.Measure its performance, see table one.
Embodiment 2
Equipment is heated to 160 ℃; Add 22.5kg first polyisobutene and 24.1kg second polyisobutene, start and stir, add 17.8kgSIS and 7kg composite elastic body after 5 minutes; Add 0.55kg oxidation inhibitor; Add 29.6kg first C 5 petroleum resin and 11.3kg second C 5 petroleum resin after 30 minutes again, 8.3kg the 3rd C 5 petroleum resin keeps temperature to stir 2 hours.Measure its performance, see table one.
Embodiment 3
Equipment is heated to 160 ℃; Add 23.1kg first polyisobutene and 20.8kg second polyisobutene, start and stir, add 18.3kgSIS and 8kg composite elastic body after 5 minutes; Add 0.55kg oxidation inhibitor; Add 32.2kg first C 5 petroleum resin and 10.8kg second C 5 petroleum resin after 30 minutes again, 8.8kg the 3rd C 5 petroleum resin keeps temperature to stir 2 hours.Measure its performance, see table one.
Embodiment 4
Equipment is heated to 160 ℃; Add 23.1kg first polyisobutene and 20.8kg second polyisobutene, start and stir, add 18.3kgSIS and 8kg composite elastic body; Add 0.55kg oxidation inhibitor; Add 32.2kg first C 5 petroleum resin and 10.8kg second C 5 petroleum resin again, 8.8kg the 3rd C 5 petroleum resin keeps temperature to stir 2 hours.Measure its performance, see table one.
Table one HDPE self-adhesive coiled material is with the performance of hot-fusible pressure-sensitive adhesive
Can find out by above table, hot-fusible pressure-sensitive adhesive excellent performance of the present invention, each item physical and chemical index all meets the requirements.
Claims (10)
1. a HDPE self-adhesive coiled material is used hot-fusible pressure-sensitive adhesive, it is characterized in that in mass percent, and each raw material is formed as follows: 18%～21% polystyrene-poly isoprene-thermoplastic polystyrene elastomer; 2%～5% composite elastic body; 15%～24% the first polyisobutene, 10%～12% the second polyisobutene, 30%～40% the first C 5 petroleum resin; 5%～12% the second C 5 petroleum resin, 5%～12% 3rd C 5 petroleum resin and micro-oxidation inhibitor.
2. HDPE self-adhesive coiled material according to claim 1 is used hot-fusible pressure-sensitive adhesive, it is characterized in that said polystyrene-poly isoprene-thermoplastic polystyrene elastomer wherein the PS phase content be 15%.
3. HDPE self-adhesive coiled material according to claim 1 is used hot-fusible pressure-sensitive adhesive, it is characterized in that said composite elastic body is the olefines special elastomer, therein ethylene content 15%.
4. HDPE self-adhesive coiled material according to claim 1 is used hot-fusible pressure-sensitive adhesive, it is characterized in that the said first polyisobutene molecular weight less than 1000, pour point-4 ℃～-30 ℃.
5. HDPE self-adhesive coiled material according to claim 1 is used hot-fusible pressure-sensitive adhesive; It is characterized in that the said second polyisobutene molecular weight distributing index 2.5; 67.5 ℃ of yield points, 26.5,160 ℃ of kinetic viscosity indexes of staudinger index 52000mPas; 25 ℃ of following penetration degree (182 1/10mm of 100g * 5sec), (225 1/10mm of 150g * 5sec).
6. HDPE self-adhesive coiled material according to claim 1 is used hot-fusible pressure-sensitive adhesive, it is characterized in that said first C 5 petroleum resin is light alicyclic hydrocarbon type hydrogenated petroleum resin, 100～127 ℃ of softening temperatures, and initial look is number smaller or equal to 2.
7. HDPE self-adhesive coiled material according to claim 1 is used hot-fusible pressure-sensitive adhesive, it is characterized in that said second C 5 petroleum resin is a water white alicyclic hydrocarbon type hydrogenated petroleum resin, 100～144 ℃ of softening temperatures, and initial look is number smaller or equal to 2.
8. HDPE self-adhesive coiled material according to claim 1 is used hot-fusible pressure-sensitive adhesive, it is characterized in that said the 3rd C 5 petroleum resin is a water white alicyclic hydrocarbon type hydrogenated petroleum resin, 100～144 ℃ of molecular-weight average softening temperatures, and initial look is number smaller or equal to 2.
9. the described HDPE self-adhesive coiled material of claim 1 is with the preparation method of hot-fusible pressure-sensitive adhesive, it is characterized by to comprise the steps:
(1) production unit is heated to 160 ℃～180 ℃, adds first polyisobutene and second polyisobutene, stir two kinds of polyisobutene are mixed;
(2) add polystyrene-poly isoprene-thermoplastic polystyrene elastomer and composite elastic body, add micro-oxidation inhibitor, keep temperature to stir 20～60 minutes, to two kinds of elastomerics fusions and stir;
(3) add three kinds of C 5 petroleum resins rapidly, bubble is filtered, arranged to insulated and stirred 1～3 hour, and the prefabricated section packing is used or processed in coating.
10. preparation method according to claim 9 is characterized in that said step (1) Heating temperature is 165 ℃～175 ℃, and step (2) churning time is 30～40 minutes, and step (3) the insulated and stirred time is 2 hours.
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| CN104629651A (en) * | 2015-02-09 | 2015-05-20 | 北京东方雨虹防水技术股份有限公司 | Hot-melt pressure-sensitive adhesive as well as preparation method thereof and waterproof coiled material |
| CN105017984A (en) * | 2015-07-22 | 2015-11-04 | 江苏凯伦建材股份有限公司 | Polymer self-adhesive tape, production method and application thereof |
| CN105199638A (en) * | 2015-11-02 | 2015-12-30 | 湖南金化科技集团有限公司 | SBS (styrene-butadiene-styrene) adhesive for bonding polar substrates and preparation method of adhesive |
| CN106497465A (en) * | 2016-10-11 | 2017-03-15 | 远大洪雨（唐山）防水材料有限公司 | A kind of pressure-sensitive self-adhesive of non-bituminous and the waterproof roll being made from it |
| CN106497465B (en) * | 2016-10-11 | 2018-01-16 | 远大洪雨（唐山）防水材料有限公司 | A kind of non-bituminous pressure-sensitive self-adhesive and the waterproof roll being made from it |
| CN107573787A (en) * | 2017-08-22 | 2018-01-12 | 安徽艾米伦特建材科技有限公司 | Anti-aging exterior coating and preparation method thereof |
| CN111592843A (en) * | 2020-05-19 | 2020-08-28 | 上海嘉好胶粘制品有限公司 | Hot-melt pressure-sensitive adhesive for normal-temperature waterproof coiled material butt-joint adhesive tape and preparation method thereof |
| CN111662664A (en) * | 2020-05-29 | 2020-09-15 | 四川省宏源防水工程有限公司 | Flame-retardant self-adhesive for composite gas isolation plate and preparation method thereof |
| CN111662664B (en) * | 2020-05-29 | 2021-12-21 | 四川省威盾匠心建设有限公司 | Flame-retardant self-adhesive for composite gas isolation plate and preparation method thereof |
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| CN102604570B (en) | 2014-04-16 |
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