WO2015126093A1 - 고무계 점착제 조성물 및 이를 이용한 자동차용 고무계 점착테이프 - Google Patents
고무계 점착제 조성물 및 이를 이용한 자동차용 고무계 점착테이프 Download PDFInfo
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- WO2015126093A1 WO2015126093A1 PCT/KR2015/001373 KR2015001373W WO2015126093A1 WO 2015126093 A1 WO2015126093 A1 WO 2015126093A1 KR 2015001373 W KR2015001373 W KR 2015001373W WO 2015126093 A1 WO2015126093 A1 WO 2015126093A1
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- rubber
- styrene
- adhesive composition
- sensitive adhesive
- sbs
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- 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
- C09J7/26—Porous or cellular plastics
-
- 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
- C09J109/00—Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09J109/06—Copolymers with styrene
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- 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
-
- 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
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
-
- 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
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
-
- 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
- C09J7/21—Paper; Textile fabrics
-
- 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
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- 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
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- 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
- C09J2301/124—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 on both sides of the carrier, e.g. double-sided adhesive tape
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- 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
- C09J2409/00—Presence of diene rubber
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- 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
- C09J2433/00—Presence of (meth)acrylic polymer
- C09J2433/006—Presence of (meth)acrylic polymer in the substrate
-
- 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
- C09J2453/00—Presence of block copolymer
Definitions
- the present invention relates to a rubber-based adhesive composition and a rubber-based adhesive tape for automobiles using the same.
- acrylic foam tapes are mainly applied. Research on automotive acrylic foam tapes including layers is underway.
- An adhesive is a component that does not change its composition unless it is artificially moved by attaching two or more products having completely different physical properties. That is, the pressure-sensitive adhesive is a material having a viscoelastic property that can be strongly adhered to a small pressure in a short time.
- Typical pressure-sensitive adhesive compositions include rubber, acrylic, and silicone, among which acrylic pressure-sensitive adhesive compositions are most widely used for various application properties, and rubber-based pressure-sensitive adhesives have poor durability due to multiple bonds, and thus are not used as pressure-sensitive adhesive compositions. have. Thus, while maintaining the durability of the rubber-based pressure-sensitive adhesive composition, there is a need for research to increase the initial peel strength.
- the present invention is a styrene-butadiene-styrene (SBS) rubber; Curing agent; And an adhesion promoter, wherein the adhesion enhancer is to provide a rubber-based pressure-sensitive adhesive composition and the like, which is 50 parts by weight to 100 parts by weight based on 100 parts by weight of the styrene-butadiene-styrene (SBS) rubber.
- SBS styrene-butadiene-styrene
- the present invention is a styrene-butadiene-styrene (SBS) rubber; Curing agent; And an adhesion promoter, wherein the adhesion enhancer provides a rubber-based pressure-sensitive adhesive composition, based on 100 parts by weight of the styrene-butadiene-styrene (SBS) rubber, from 50 parts by weight to 100 parts by weight.
- SBS styrene-butadiene-styrene
- the styrene content of the styrene-butadiene-styrene (SBS) rubber may be 20 wt% to 30 wt%.
- the adhesion promoter may be a cyclic olefin resin to which hydrogen is added.
- the adhesion promoter may have a softening point of 90 °C or more.
- It may further comprise one or more selected from the group consisting of UV stabilizers, photoinitiators, thermal initiators, antioxidants, fillers and plasticizers.
- the acrylic foam layer provides a rubber-based adhesive tape for a vehicle comprising a rubber-based pressure-sensitive adhesive layer cured the rubber-based pressure-sensitive adhesive composition formed on both sides of the acrylic foam layer.
- Curing degree (gel content) of the rubber-based pressure-sensitive adhesive layer may be 30% to 50%.
- Rubber-based pressure-sensitive adhesive composition according to the invention is a styrene-butadiene-styrene (SBS) rubber; Curing agent; And an adhesion enhancer, wherein the adhesion enhancer is 50 parts by weight to 100 parts by weight with respect to the styrene-butadiene-styrene (SBS) rubber, and the rubber-based pressure-sensitive adhesive composition according to the present invention contains a large amount of an adhesion enhancer, thereby providing constant durability. While maintaining a high initial strength in various substrates, it is useful as a rubber adhesive tape for automobiles.
- SBS styrene-butadiene-styrene
- Curing agent Curing agent
- an adhesion enhancer wherein the adhesion enhancer is 50 parts by weight to 100 parts by weight with respect to the styrene-butadiene-styrene (SBS) rubber, and the rubber-based pressure-sensitive adhesive composition according to the present invention contains a
- FIG. 1 is a schematic cross-sectional view of a rubber-based adhesive tape for a vehicle according to an embodiment of the present invention.
- the inventors of the present invention while studying a rubber-based adhesive tape, the rubber-based pressure-sensitive adhesive composition by containing a large amount of the adhesion promoter, while maintaining a certain durability, it is confirmed that the characteristics of excellent initial peel strength on various substrates, and completed the present invention It was.
- the present invention relates to styrene-butadiene-styrene (SBS) rubber; Curing agent; And an adhesion promoter, wherein the adhesion enhancer provides a rubber-based pressure-sensitive adhesive composition, based on 100 parts by weight of the styrene-butadiene-styrene (SBS) rubber, from 50 parts by weight to 100 parts by weight.
- SBS styrene-butadiene-styrene
- the styrene-butadiene-styrene (SBS) rubber has a low glass transition temperature (Tg), is composed only of hydrocarbons, and has a very low surface energy, and has excellent wettability on a substrate as compared to existing acrylic pressure-sensitive adhesive compositions. There is an advantage.
- the styrene-butadiene-styrene (SBS) rubber is a kind of butadiene rubber, and has a high hard segment property compared to other rubbers such as isoprene rubber such as styrene-isoprene-styrene (SIS) rubber and thus has a high temperature during curing. Especially excellent in durability.
- SIS styrene-butadiene-styrene
- SBS styrene-butadiene-styrene (SBS) rubber is most preferred as a base material of the rubber-based adhesive tape for automobiles, even if the same amount of curing agent
- the styrene content of the styrene-butadiene-styrene (SBS) rubber is preferably 20 wt% to 30 wt%, but is not limited thereto. At this time, when the styrene content is less than 20% by weight, there is a problem that the cohesive force is insufficient, and when the styrene content exceeds 30% by weight, there is a problem that the adhesiveness is insufficient.
- the styrene-butadiene-styrene (SBS) rubber is preferably 10 parts by weight to 30 parts by weight with respect to 100 parts by weight of the rubber-based pressure-sensitive adhesive composition, but is not limited thereto.
- SBS styrene-butadiene-styrene
- the styrene-butadiene-styrene (SBS) rubber is less than 10 parts by weight with respect to 100 parts by weight of the rubber-based pressure-sensitive adhesive composition, even if there is no problem in coating property, since the amount of solvent is relatively increased, it is disadvantageous in terms of price. If the unvolatile solvent remains, there is a problem in curing because the amount of the volatilized solvent increases during coating.
- SBS styrene-butadiene-styrene
- 1,6-hexanediol diacrylate or tetraethyl Glycol diacrylate more preferably from one (tetra (ethylene glycol) diacrylate), not limited to this.
- the weight average molecular weight (Mw) of 1,6-hexanediol diacrylate is 226.27, and the weight average molecular weight (Mw) is about 200.
- the adhesion promoter is preferably 50 parts by weight to 100 parts by weight, and preferably 60 parts by weight to 80 parts by weight with respect to 100 parts by weight of the styrene-butadiene-styrene (SBS) rubber, but is not limited thereto.
- SBS styrene-butadiene-styrene
- the adhesion promoter is less than the above range, based on 100 parts by weight of the styrene-butadiene-styrene (SBS) rubber, there is a problem that the sufficient peel strength does not appear, the adhesion promoter is the styrene-butadiene-styrene (SBS) rubber 100 With respect to parts by weight, since the adhesion enhancer is not a UV curing type, it does not participate in curing and thus has a problem that the degree of curing decreases and durability decreases.
- the adhesion promoter may be a cyclic olefin resin to which hydrogen is added.
- the tackifier does not necessarily need to be hydrogenated, and the cyclic olefin resin obtained by polymerization may be used as it is, but in consideration of the softening point of the tackifier, the effect of enhancing adhesion, heat coloring, and the like. It is desirable to determine whether to add hydrogen.
- the hydrogenation reaction for adding hydrogen to the olefinic unsaturated bond in the molecule may be carried out using the copolymer solution after the ring-opening polymerization is completed, and the ring-opening copolymer may be appropriately removed after the catalyst residue or unreacted monomer is removed. It may also be carried out using a copolymer solution prepared by dissolving in a solvent.
- the hydrogenation reaction is usually carried out under conditions of hydrogen pressure of 1.0 to 15 MPa and a temperature of 50 to 200.
- a heterogeneous catalyst having a metal selected from palladium, platinum, platinum, rhodium, iridium, ruthenium, and nickel on a carrier selected from silica, alumina, zeolite, diatomaceous earth, magnesia, carbon, calcium carbonate, or octanoic acid Nickel / triethylaluminum, nickel naphthenate / triethylaluminum, cobalt octanoate / triethylaluminum, cobalt octanoate / n-butyllithium, biscyclopentadienyltitanium dichloride diethylaluminum chloride, palladium acetate / triethylaluminum , Tris (triphenylphosphine) chlororhodium, tris (
- the hydrogenation catalyst is usually used in the range of 10 to 1000 ppm in terms of transition metal atoms relative to the ring-opening copolymer.
- the cyclic olefin resin to which the said hydrogen was added has excellent thermal stability, so that the hydrogenation rate of the olefinic unsaturated bond in a molecule
- antioxidants for example, 2,6-di-t-butyl, 4-methylphenol, 4,4'-thiobis- (6-t-butyl-3 -Methylphenol), 1,1'-bis (4-hydroxyphenyl) cyclohexane, 2,2'-methylenebis (4-ethyl-6-t-butylphenol), 2,5-di-t-butyl Phenol or hydroquinone antioxidants, such as hydroquinone and pentaerythritol- tetrakis [3- (3, 5- di-t- butyl- 4-hydroxyphenyl) propionate, can be added.
- antioxidants for example, 2,6-di-t-butyl, 4-methylphenol, 4,4'-thiobis- (6-t-butyl-3 -Methylphenol), 1,1'-bis (4-hydroxyphenyl) cyclohexane, 2,2'-methylenebis (4-ethyl-6-t-butylphenol), 2,5-d
- the adhesion promoter may have a softening point of 90 °C or more.
- the softening point of the adhesion promoter may be about 90 °C or more, specifically about 95 °C to about 160 °C.
- the softening point generally refers to a temperature at which the material starts to deform and soften by heating, and the adhesion promoter may start deformation and softening of the adhesion promoter at about 90 ° C.
- the softening point of the adhesion promoter is maintained at about 90 ° C. or more, it is advantageous in that the adhesive enhancer maintains a glassy state under high temperature reliability conditions, so that the thermal strain becomes small, and high temperature reliability is ensured. It is easy.
- the softening point of the adhesion enhancer when the softening point of the adhesion enhancer is less than about 90 ° C., the adhesion enhancer may start to soften under high temperature and may cause a problem of deterioration in durability.
- the softening point of the pressure-sensitive adhesive agent when the softening point of the pressure-sensitive adhesive agent is about 160 ° C. or more, the pressure-sensitive adhesive role of the pressure-sensitive adhesive may be insignificant at room temperature.
- Eastman Regalite 1125 was used, which is characterized by maintaining a softening point at 125 ° C while being 100% hydrogenated.
- the rubber-based pressure-sensitive adhesive composition may further include one or more selected from the group consisting of UV stabilizers, photoinitiators, thermal initiators, antioxidants, fillers and plasticizers in addition to styrene-butadiene-styrene (SBS) rubber, curing agent and adhesion promoter.
- SBS styrene-butadiene-styrene
- the additive may be appropriately adjusted within a range not impairing the physical properties of the pressure-sensitive adhesive composition, further comprising additives such as pigments, UV stabilizers, dispersants, antifoaming agents, thickeners, plasticizers, tackifiers, silane binders, brighteners, etc. It is possible.
- the present invention is an acrylic foam layer; And it provides a rubber-based adhesive tape for a vehicle comprising a rubber-based pressure-sensitive adhesive layer cured the rubber-based pressure-sensitive adhesive composition formed on both sides of the acrylic foam layer.
- FIG. 1 is a schematic cross-sectional view of a rubber-based adhesive tape for a vehicle according to an embodiment of the present invention.
- the rubber-based adhesive tape 100 for an automobile is an acrylic foam layer (10); And the rubber-based pressure-sensitive adhesive composition formed on both sides of the acrylic foam layer 10 is formed including a hardened rubber-based pressure-sensitive adhesive layer (11).
- the acrylic foam layer 10 includes an acrylic resin.
- the acrylic resin that can be used in the present invention may include a (meth) acrylic acid ester monomer and an acrylic acid having an alkyl group having 1 to 12 carbon atoms.
- a (meth) acrylic acid ester monomer and an acrylic acid having an alkyl group having 1 to 12 carbon atoms.
- Tg glass transition temperature
- (meth) having an alkyl group having 1 to 12 carbon atoms Preference is given to using acrylic ester monomers.
- the degree of cure (gel content) of the rubber-based pressure-sensitive adhesive layer 11 is preferably 30% to 50%, more preferably 40% to 50%, but is not limited thereto.
- the degree of cure (gel content) of the rubber-based pressure-sensitive adhesive layer 11 is less than the above range, there is a problem that durability is poor, and when the degree of curing (gel content) of the rubber-based pressure-sensitive adhesive layer 11 exceeds the above range, a rubber-based Since the pressure-sensitive adhesive layer 11 is too hard, there is a problem that the peel strength is lowered.
- the rubber-based pressure-sensitive adhesive layer 11 can secure heat resistance through curing of the rubber-based pressure-sensitive adhesive composition, wherein the curing of the rubber-based pressure-sensitive adhesive composition is from a group consisting of heat, ultraviolet light, visible light, infrared radiation, and electron beam radiation. It can be carried out using an energy source selected and the like.
- the rubber-based pressure-sensitive adhesive composition was cured using ultraviolet light (UV), and thus, there is an economical advantage in comparison with other energy sources.
- UV ultraviolet light
- the rubber adhesive layer 11 may further include an outer skin layer (not shown).
- the outer skin layer may use a variety of plastic film, paper, non-woven fabric, glass or metal, it is preferable to use a plastic film such as polyethylene terephthalate (PET), but is not limited thereto.
- PET polyethylene terephthalate
- the rubber-based adhesive tape 100 for automobiles is a vehicle body for an outer surface of a substrate such as a motor vehicle, a motorcycle, a bicycle, a ship (for example, a ship, a yacht, a boat, a personal vessel), an aircraft, and other types of land, marine, and aviation vehicles. It is particularly useful for joining parts such as side moldings, emblems, pin-striping and other objects.
- the rubber-based adhesive tape 100 for automobiles includes a petroleum-based material such as gasoline, a lubricant, an aqueous material such as a detergent, a front glass cleaning solution, a rain, a brine, and a mixture thereof that a vehicle may face. It has durability against the components encountered in the use of the substrate.
- the automotive rubber adhesive tape 100 has durability against physical force, and has an improved initial peeling strength to prevent removal by physical force such as impact, jamming, breaking or other force to cause the object to be removed from the substrate. do.
- the rubber-based pressure-sensitive adhesive composition according to the present invention is useful as a rubber-based pressure-sensitive adhesive tape for automobiles because it contains a large amount of the adhesion promoter, while maintaining a certain durability, excellent initial peel strength in various substrates.
- SBS styrene-butadiene-styrene
- a rubber-based adhesive composition was prepared in the same manner as in Example 1, except that 20 g of Regalite 1125 was added as an adhesion promoter.
- Example 2 Same as Example 1, except that 0.4 g of tetra (ethylene glycol) diacrylate was added instead of 1,6-hexanediol diacrylate as a curing agent.
- a rubber-based pressure-sensitive adhesive composition was prepared by the method.
- a rubber-based adhesive composition was prepared in the same manner as in Example 1, except that 10 g of Regalite 1125 was added as an adhesion promoter.
- a rubber-based adhesive composition was prepared in the same manner as in Example 1, except that 15 g of a terpene phenolic resin (SI group, SP-560) was added instead of Regalite 1125 as an adhesion promoter.
- SI group, SP-560 terpene phenolic resin
- the adhesive composition prepared in Examples 1-3 and Comparative Examples 1-3 was coated with the knife coater (coating thickness: 30-35 micrometers). Subsequently, the coated rubber-based pressure-sensitive adhesive composition was placed under a metal halide lamp, and cured by irradiating 10 mW / cm of ultraviolet light for about 3 minutes to prepare a rubber-based pressure-sensitive adhesive. After preparing the specimen by cutting the prepared rubber-based pressure-sensitive adhesive to 1in X 1in (horizontal X vertical), weighed, 50ml of toluene solvent was put in a PET bucket, and stored at room temperature for 24 hours.
- the full swelled rubber-based adhesive was filtered through a prepared 200 mm of 130 mm X 130 mm, dried in an 110 ° C. oven for 4 hours, and weighed. The final gel content was determined by calculating the difference between the weight of the first and later adhesives.
- a rubber-based pressure-sensitive adhesive which is a cured product of the rubber-based pressure-sensitive adhesive composition prepared in Examples 1 to 3 and Comparative Examples 1 to 3, was cut to 1 in X 10 cm (width X length) to prepare a specimen, and one surface of the specimen was attached to ABS and coating, respectively. After reciprocating twice with a 2 kg roller and attaching them, the initial peel strength was measured at a peel rate of 300 mm / min and a peel angle of 180 degrees using a peel force measuring instrument at a time point of 30 minutes at room temperature (23 ° C.). Measured.
- the rubber-based pressure-sensitive adhesive composition according to Examples 1 to 3 by containing a large amount of the adhesion promoter, while maintaining a constant durability, it was confirmed that the excellent initial peel strength in various substrates.
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- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
Description
구분 | 수지(g) | 경화제(g) | 점착증진제(g) | 경화도(%) | 초기 박리강도(gf/in) | |
ABS | 도장 | |||||
실시예 1 | SBS 고무25 | HDDA 0.4 | Regalite 1125 15 | 48 | 1523 | 1875 |
실시예 2 | SBS 고무25 | HDDA 0.4 | Regalite 1125 20 | 35 | 2373 | 2454 |
실시예 3 | SBS 고무25 | TTEDGA 0.4 | Regalite 1125 15 | 41 | 1823 | 2043 |
비교예 1 | 아크릴 수지25 | BPO 0.4 | Regalite 1125 0 | 55 | 1521 | 1834 |
비교예 2 | SBS 고무25 | HDDA 0.4 | Regalite 1125 10 | 62 | 1398 | 1632 |
비교예 3 | SBS 고무25 | HDDA 0.4 | SP-560 15 | 52 | 1325 | 1643 |
Claims (8)
- 스티렌-부타디엔-스티렌(SBS) 고무;경화제; 및점착증진제를 포함하고,상기 점착증진제는 상기 스티렌-부타디엔-스티렌(SBS) 고무 100 중량부에 대하여, 50 중량부 내지 100 중량부인 것을 특징으로 하는고무계 점착제 조성물.
- 제1항에 있어서,상기 스티렌-부타디엔-스티렌(SBS) 고무의 스티렌 함량이 20 중량% 내지 30 중량%인고무계 점착제 조성물.
- 제1항에 있어서,상기 경화제는 1,6-헥산디올 디아크릴레이트(1,6-hexanediol diacrylate), 디펜타에리트리톨 헥사아크릴레이트(dipentaerythritol hexaacrylte), 테트라메틸올메탄 테트라아크릴레이트(tetramethylolmethane tetraacrylate), 테트라메틸올메탄 트리아크릴레이트(tetramethylolmethane triacrylate), 트리메탄올프로판 트리아크릴레이트(trimethylolpropane triacrylate), 1,6-비스(3-아크릴오일옥시-2-하이드록시프로필옥시)헥산[1,6-bis(3-acryloyloxy-2-hydroxypropyl)hexane], 폴리에틸렌 글라이콜 디아크릴레이트(polyethylene glycol diacrylate), 펜타에리트리톨 트리아크릴레이트(pentaerythritol triacrylate) 및 헥사메틸렌 디이소시아네이트 우레탄 선행고분자(hexamethylene diisocyanate urethane prepolymer)로 이루어진 군으로부터 선택된 하나 이상인고무계 점착제 조성물.
- 제1항에 있어서,상기 점착증진제는 수소가 첨가된 환상 올레핀계 수지인고무계 점착제 조성물.
- 제1항에 있어서,상기 점착증진제는 연화점이 90℃ 이상인고무계 점착제 조성물.
- 제1항에 있어서,자외선 안정제, 광개시제, 열개시제, 산화방지제, 충진제 및 가소제로 이루어진 군으로부터 선택된 하나 이상을 추가로 포함하는고무계 점착제 조성물.
- 아크릴 폼 층; 및상기 아크릴 폼 층의 양면에 형성된 제1항 내지 제6항 중 어느 한 항에 따른 고무계 점착제 조성물이 경화된 고무계 점착제층을 포함하는자동차용 고무계 점착테이프.
- 제7항에 있어서,상기 고무계 점착제층의 경화도(겔 함량)가 30% 내지 50%인자동차용 고무계 점착테이프.
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CN109852263A (zh) * | 2018-12-27 | 2019-06-07 | 新纶科技(常州)有限公司 | 一种耐溶剂性压敏胶黏剂及泡棉双面胶带 |
CN109913144A (zh) * | 2019-03-13 | 2019-06-21 | 新纶科技(常州)有限公司 | 一种sis弹性体接枝化合物a及其组合物和泡棉双面胶带的制备方法 |
CN110776832A (zh) * | 2019-11-07 | 2020-02-11 | 广州市永隆新材料研究院有限公司 | 一种遮盖压敏胶及其制备方法与应用 |
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