WO1996018703A1 - Feuille adhesive autocollante - Google Patents
Feuille adhesive autocollante Download PDFInfo
- Publication number
- WO1996018703A1 WO1996018703A1 PCT/JP1995/002573 JP9502573W WO9618703A1 WO 1996018703 A1 WO1996018703 A1 WO 1996018703A1 JP 9502573 W JP9502573 W JP 9502573W WO 9618703 A1 WO9618703 A1 WO 9618703A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- adhesive
- adhesive sheet
- parts
- acid
- paper
- Prior art date
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Classifications
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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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F242/00—Copolymers of drying oils with other monomers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
- C08F290/062—Polyethers
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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
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/08—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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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
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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
- C09J7/38—Pressure-sensitive adhesives [PSA]
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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
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/30—Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety
- C08F220/302—Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety and two or more oxygen atoms in the alcohol moiety
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/08—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2813—Heat or solvent activated or sealable
- Y10T428/2817—Heat sealable
- Y10T428/2826—Synthetic resin or polymer
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2813—Heat or solvent activated or sealable
- Y10T428/283—Water activated
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2839—Web or sheet containing structurally defined element or component and having an adhesive outermost layer with release or antistick coating
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2843—Web or sheet containing structurally defined element or component and having an adhesive outermost layer including a primer layer
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2848—Three or more layers
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
- Y10T428/2852—Adhesive compositions
- Y10T428/2878—Adhesive compositions including addition polymer from unsaturated monomer
- Y10T428/2891—Adhesive compositions including addition polymer from unsaturated monomer including addition polymer from alpha-beta unsaturated carboxylic acid [e.g., acrylic acid, methacrylic acid, etc.] Or derivative thereof
Definitions
- the present invention relates to an adhesive sheet. More specifically, it relates to a recyclable adhesive sheet.More particularly, pulp is used because the adhesive layer is made of an adhesive having an extremely excellent redispersibility in water.
- the present invention relates to an adhesive sheet that can be easily disintegrated without causing any adverse effects of the adhesive during regeneration.
- the present invention relates to a removable adhesive sheet used for a price tag, a process control, an index label of a video cassette, and the like. More specifically, since the re-peelable pressure-sensitive adhesive layer is made of a pressure-sensitive adhesive having extremely excellent re-dispersibility in water, the pressure-sensitive adhesive has an adverse effect on pulp regeneration.
- the present invention relates to a re-peelable adhesive sheet that can be easily disaggregated without being shattered.
- Adhesive sheets are used for commercial, office, process control, and logistics purposes. This adhesive sheet is widely used in the form of labels, stickers, emblems, delivery slips, etc. for a wide range of purposes, such as management and home use. The general structure of this adhesive sheet is The pressure-sensitive adhesive layer was sandwiched between the surface substrate and the release sheet.
- the pressure-sensitive adhesive layer and the surface base material are integrated into a single unit, the label, sticker, emblem, and delivery slip (hereinafter collectively referred to as “label”). ).
- label is peeled from the release sheet and attached to the article.
- Sheets such as paper, foil, or film are mainly used as the surface substrate.
- a release sheet a material obtained by applying a release agent such as a silicone compound or a fluorine compound to a release sheet base material is used.
- the base material for the stripping sheet may be a high-density base paper such as glass paper, or a paper such as kraft paper, craft paper, or high-quality paper.
- Laminate paper obtained by laminating a resin film such as polyethylene, or Kraft paper.Water-soluble such as polyvinyl alcohol and starch on woodfree paper. Examples include resin coating base paper provided with a coating layer mainly composed of a polymer or the like and a pigment. Among them, a base material made by laminating polyethylene A release sheet in which a release agent is applied to 96/18703 is generally widely used.
- adhesive various types of adhesives such as rubber-based, acrylic-based and vinyl ether-based emulsion-based, solvent-based or solvent-free adhesives are used.
- Such sticky sheets after being affixed to an article such as a merchandise, have a permanent adhesive type that is used as an eternal gun while being adhered to the article, and a label for the purpose of indication because of the merchandise, etc. Some of the re-peeling types are covered and discarded after the target is achieved.
- the re-peelable adhesive sheet is used for price change, labeling for process management, etc., which are frequently replaced due to price changes.
- the adhesive When the adhesive is finally released after the label has achieved its intended purpose, it can be easily peeled off without leaving the adhesive on the goods such as goods. It is basically required to have excellent re-peelability without damaging the appearance of the article.
- Recycled pulp can be used in newspapers, cardboard, magazines, imitation paper, printing paper, cards, tickets, mounts, thermal records ⁇ , "., ⁇ ,
- a defibration process in which waste paper is defibrated to obtain a pulp suspension, a rough / selection process in which foreign matter in the pulp suspension is separated, a deinking process in which printing ink is separated, It becomes recycled pulp through a bleaching process to make the color white.
- the adhesive will block the eyes of the wire and stain the press roll and blanket during the paper making process. This can cause problems such as paper breakage and a significant decrease in papermaking efficiency, and formation of spots on the paper surface, thereby adversely affecting paper layer formation or quality. The problem arises.
- the adhesive sheet is usually used in a state in which peeling sheets with poor disintegration, such as those using laminated base paper, are stacked. Therefore, recycled pulping is more difficult.
- the adhesive layer in order to obtain recycled pulp from waste paper containing an adhesive sheet, the adhesive layer has an adhesive layer particularly excellent in redispersibility in water.
- the pulp can be easily lysed without any adverse effects, the pulp can be regenerated in a normal regenerated pulping process without contaminating the adjusted water at the time of lysation, and the quality can be improved.
- Another object of the present invention is to provide a stable and recyclable adhesive sheet.
- the present invention relates to a method for regenerating recycled paper, including an adhesive sheet.
- the pressure-sensitive adhesive layer is made of a pressure-sensitive adhesive that is particularly excellent in redispersibility in water and water, and can be easily disaggregated without the adverse effects of the pressure-sensitive adhesive.
- the pulp can be regenerated by a normal re-pulp process without contaminating the conditioned water at the time of disaggregation.Furthermore, when the label is removed from the product, the product is not contaminated. Easy It is intended to provide a removable adhesive sheet that can be peeled off.
- the present invention provides (1) an adhesive sheet having a surface base material and an adhesive layer, and applying and drying an adhesive having a pressure-sensitive adhesive layer strength, redispersibility to water.
- the pressure-sensitive adhesive contains a copolymer, and the copolymer is formed by:
- Another object of the present invention is to provide an adhesive sheet which is a copolymer containing:
- the present invention further provides the following inventions.
- Component (a) of the copolymer is a carboxylic acid-modified 6/18703
- the surface substrate is a film containing a water-soluble polymer or a lactic acid-based polymer as a main component and dispersing or dissolving in water or an aqueous alkali solution.
- the adhesive sheet according to any one of the above (1) to (3).
- the adhesive sheet according to the above (6) which is a stripped sheet provided with a filling layer and a stripping agent layer containing:
- the above copolymer is further copolymerized with the above components (a), (b) and (c) and, if necessary, the component (d) as the component (e).
- the present invention also provides (11) a pressure-sensitive adhesive layer comprising a re-peelable pressure-sensitive adhesive having re-dispersibility and re-peelability with respect to water or an aqueous solution of alkali. That is, the pressure-sensitive adhesive layer contains the specific copolymer among the above-mentioned copolymers, and the crosslinking agent is added in an amount of 0 to 100 parts by weight of the specific copolymer.
- the present invention also provides a re-stripping adhesive sheet which is formed by applying and drying a re-stripping adhesive containing 1 to 10 parts by weight.
- the specific copolymer is different from the copolymer by:
- the pressure-sensitive adhesive layer has particularly excellent redispersibility to water or an aqueous alkali solution (hereinafter referred to as “water redispersibility”). It provides an extremely excellent adhesive sheet when recycled pulp is formed.
- the present invention provides an extremely excellent recyclable pulping process because the pressure-sensitive adhesive layer is made of a re-peelable pressure-sensitive adhesive having particularly excellent water redispersibility. It provides a removable adhesive sheet.
- the pressure-sensitive adhesive used in the present invention When the pressure-sensitive adhesive used in the present invention is immersed in water or an aqueous alkali solution and subjected to an external force such as friction or shearing by stirring, the pressure-sensitive adhesive is a slightly tacky particle or has no tackiness. Redisperse into the state of particles.
- the alkaline aqueous solution is an alkaline aqueous solution used for paper recycling, For example, it refers to an aqueous solution of sodium hydroxide having a concentration of about 0.01 to 1% by weight.
- the pressure-sensitive adhesive used in the pressure-sensitive adhesive sheet of the present invention contains a copolymer.
- the removable adhesive used in the removable adhesive sheet of the present invention further comprises, as the component (d), an ethylene-containing unsaturated carboxylic acid-containing polymer.
- the above copolymer containing 0.5 to 20% by weight of the copolymer with respect to the copolymer is used, and 0.1 to 1 part by weight of 100% by weight of such a copolymer is used. It contains a crosslinking agent in an amount of 0 parts by weight.
- the carboxylic acid-modifying rosin ester monomer used as the component (a) in the present invention is represented by the following general formula (1): Is a compound represented by
- R represents a methyl group or a hydrogen atom, and m represents an integer of 1 to 8.
- the monomer used as the component (a) in the present invention is a compound represented by the following general formula (2).
- R represents a methyl group or a hydrogen atom
- the dicarboxylic acid monomer and the Z or rosin ester monomer described above are 5 to 40% by weight, preferably 10 to 30% by weight of the copolymer. It is necessary to copolymerize as described above. By the way, 5 weight? If it is less than 6, water redispersibility will be insufficient. On the other hand, if it exceeds 40% by weight, the cohesive strength of the pressure-sensitive adhesive becomes poor, and the function of the pressure-sensitive adhesive sheet is reduced.
- a copolymer using a carboxylic acid-modified rosin ester monomer is particularly preferred because of its excellent water redispersibility.
- the (poly) ethylene glycol (meta) acrylate monomer used as the component (b) for example, It is a compound represented by the following general formula (3).
- N represents an integer of 1 to 10.
- the (poly) ethylene glycol (meta) acrylate monomer is a known and readily available compound, and is 5 to 40% by weight of the copolymer. However, it is necessary to copolymerize so as to occupy preferably 7 to 30% by weight. By the way, if it is less than 5% by weight, water redispersibility becomes insufficient. on the other hand,
- the monomer must be copolymerized to account for 30 to 60% by weight of the copolymer, and preferably 40 to 60% by weight. If the amount is less than 30% by weight, the adhesive strength of the pressure-sensitive adhesive will be poor, and if it exceeds 60% by weight, the water redispersibility will be insufficient.
- the components that impart water redispersibility of the adhesive include (a) a carboxylic acid-modified monomer monomer and Z or rosin ester monomer and (b) (poly) ethylene glycol (meta) acrylate monomer are both important, and impart adhesive tackiness.
- the components include (c) alkyl (meth) acrylate ester having an alkyl group having 4 to 18 carbon atoms and (a) rosin acid modified rosin ester monomer. And Z or rosin ester monomers are important.
- the copolymer may further impart the cohesive force of the pressure-sensitive adhesive and increase the water redispersibility.
- % By weight, preferably about 0.1 to 10% by weight.
- the component (d) is used as an essential component and the proportion of the copolymer in the copolymer is 0.5 to 20% by weight. I do.
- Examples of the ethylene-containing unsaturated carboxylic acid-containing monomer as the above component) include acrylinoleic acid, methacrylinoleic acid, crotonic acid and maleic acid. Acid, fumanoleic acid, monoalkyl maleate (for example, having 1 to 4 carbon atoms) ester, monoalkyl itaconate (for example, having 1 to 4 carbon atoms) ester, fumaric acid And a non-alkyl (for example, having 1 to 4 carbon atoms) ester.
- the above-mentioned copolymer may be used as component (e), if necessary, in order to improve the properties of the adhesive.
- (B), (c) and, if necessary, (d) may be used to contain other copolymerizable monomers.
- component (e) for example, (meth) methyl acrylate ester, (meth) ethyl acrylate, (meth) propyl acrylate, (meth) ethyl acrylate (Meth) cyclohexyl acrylate, (meth) methyl ethoxylate, (meta) ethoxyethyl acrylate, (meta) Dimethyl acetylaminoethyl, (meth) acrylinoleic acid gentinorea minethyl, (meth) acrylic oleic acid glycidyl acid, vinyl acetate, vinyl pionic acid Vinyl, vinyl chloride, vinylidene chloride, styrene, divinylinbenzene, ethylene, (meta) acrylonitrile, (meta) acrylinoamide, N — N-N-N-N-N-N-N-N-N-N-N-N-N Bis (meta) acryloamide, and the like
- copolymerizable other monomers in particular, methyl (meth) acrylate and methyl (meth) acrylate Cylaminoethyl, (meth) acrylinoleic acid glycidyl, vinyl acetate, divinylbenzene, (meta) acrylonitrile, (meta) acrylia MID, N — METO KINO METAL 6/18703 18
- methinoure (meta) acrynoamide, N, N'-methylenbis (meta) acrylamide, etc. are blended, crosslinkability and glass transition It is preferable because a copolymer having suitable temperature, adhesive performance, and the like can be obtained.
- the method for producing the above copolymer is not particularly limited, for example, a method of solution polymerization in the presence of water, a solvent, a chain transfer agent, a polymerization initiator, etc., It is manufactured by a known method such as a method of performing emulsion polymerization in an aqueous system in the presence of an emulsifier, a chain transfer agent, a polymerization initiator, a dispersant, and the like.
- a monomer mixture containing the above components in the above ratio that is, the component (a) is added to the monomer mixture. 5 to 40% by weight, component (b) 5 to 40% by weight, component (c) 30 to 60% by weight, and if necessary, component (d) and 20% by weight of 20% or less.
- the polymerization reaction is carried out using a monomer mixture containing the component ( e ) in an amount of not more than% by weight.
- Examples of the polymerization initiator used in the polymerization include persulfates such as potassium persulfate and ammonium persulfate; and 2,2'-azobisisobutyro. Azo-based compounds such as nitrile, 2,2,1-azobis (2,4-dimethylinole-noronitrile); hydrogen peroxide, benzoyl peroxyside, rauri Peroxides such as ruperoxide; so-called redox-based polymerization initiators which are a combination of ammonium persulfate and soda sulfite, acid sulfite soda, etc. Is increased.
- the amount of the polymerization initiator used is usually about 0.2 to 2% by weight, preferably about 0.3 to 1% by weight, based on the total amount of the monomers to be subjected to polymerization.
- the chain transfer agent to be added during the copolymerization may be, for example, an octinolemecaptan, a nonylmenolecaptan, a desilmercaptan, a dodecinolemenolecaptan or the like.
- the amount of the chain transfer agent used is adjusted to about 0.001 to 3% by weight of the total amount of the monomer to be polymerized.
- the concentration of the monomer at the time of c polymerization is usually 30%. It is suitably from 70 to 70% by weight, preferably from 40 to 60% by weight.
- the polymerization reaction is usually carried out at a temperature of 60 to 100 ° C. for 2 to 8 hours. Further, if necessary, a thickener, a wetting agent, a leveling agent, an antifoaming agent, a preservative, and the like can be appropriately added.
- the carboxy group in the copolymer is converted into, for example, sodium hydroxide, hydroxylated hydroxide, ammonia, or the like. It is preferable to neutralize with a suitable alkaline substance such as various primary, secondary and tertiary amines. By performing the neutralization treatment, the mechanical stability can be improved and the viscosity can be adjusted. Considering the drying process after application, it is preferable to use ammonia, which evaporates due to the heat during drying.
- the conditions of the neutralization treatment are as follows: Although not particularly limited, for example, an amount of the above-mentioned copolymer effective in neutralizing the copolymer at a temperature of about 20 to 40 ° C. in an aqueous emulsion state is used. For example, a method of adding a hydrophilic substance as it is or in the form of an aqueous solution and stirring the mixture can be exemplified.
- the glass transition temperature of the above copolymer is -602
- the range is 0, and is appropriately selected according to the purpose.
- the glass transition temperature of the copolymer is 160.
- the content is less than C, the obtained film has insufficient cohesive strength.
- the content exceeds 120 the obtained copolymer film becomes too hard, and is not practical. Tends to be scarce.
- a recyclable pressure-sensitive adhesive sheet can be obtained by using such a copolymer as a pressure-sensitive adhesive.
- the above-mentioned copolymer is usually in the form of an aqueous emulsion produced by emulsion polymerization.
- the solid concentration of the emulsion is not particularly limited, but is generally preferably about 30 to 70% by weight in consideration of the efficiency at the time of coating.
- the above-mentioned copolymer preferably an aqueous emulsion produced by emulsion polymerization as described above
- This copolymer can also be used for the production of a removable adhesive. That is, according to the present invention, a pressure-sensitive adhesive exhibiting re-peeling properties without impairing water re-dispersibility is obtained by combining a specific copolymer among the above-mentioned copolymers with a crosslinking agent. It is obtained by using it.
- the above specific copolymer is different from the above copolymer in terms of:
- Glycidyl ether diglycerol ether (eg, di-tetra) Glycidyl ether, diglycerol (eg, di or tri)
- Di- to hexa-) polyglycidyl compounds having two or more, preferably 2 to 4 epoxy groups in one molecule such as glycidyl ether; — Ethylene resin, 1,4-tetramethyl resin, 1, 6 — Hexamethyl resin , 2, 2, 4 — Trimethylene 1, 6 — Hexamethylene isolate, 2, 2, 4 Trimethylene 1, 6 — Hexamethylene Cyanate, 1, 1 2 — Dodecane diisocyanate, Cyclobutane 1 1, 3 — Diisocyanate, Cyclohexane 1 1, 4-Iso-isocyanate, dicyclohexyl 2, 4--Is
- Cyanate compounds more particularly the above-mentioned isocyanate compounds, for example, hydrocyanic acid, malonate diester, acetinoleacetone, 1-phenyl-3-3-methylinole 1-5 — pyrazolone, hydroxy reamin, arylene mesocaptan, force program, pyrocatechol, fatty acid Regenerated isocyanates which are adducts with active hydrogen compounds such as norcaptan, monomethyl aniline, diphenylamine, and phenol are also included. .
- One of these crosslinking agents may be used alone, or two or more of them may be used in combination.
- cross-linking agents from the viewpoint of reactivity, particularly, diglycerol poly (for example, di, tri or tetra) glycidyl ether, grease Low-no-Repo (for example, di- or tri-) Glyci-no-re-ether (for example, di or tri) Evening E-Restore (e.g., di-tetra) Jil ether is used.
- diglycerol poly for example, di, tri or tetra
- grease Low-no-Repo for example, di- or tri-
- Glyci-no-re-ether for example, di or tri
- E-Restore e.g., di-tetra
- the amount of the crosslinking agent to be added is adjusted within the range of 0.1 to: L 0 parts by weight, preferably 1 to 5 parts by weight, based on 100 parts by weight of the copolymer.
- L 0 parts by weight preferably 1 to 5 parts by weight, based on 100 parts by weight of the copolymer.
- the method for mixing the crosslinking agent and the copolymer is not particularly limited.
- a batch mixing method using a blender such as a homomixer may be used.
- the concrete (monomer) monomer is both important, and the next component that imparts the tackiness of the adhesive is (C) (meta) C 4 ⁇ clauses Li Honoré acid (: 1 8 ⁇ Honoré key Le et scan te Honoré mono and M a, (a) force Honoré Bonn acid modified b di emissions et scan te le mono Mas primary and or (b) di
- An ester monomer is important, and a monomer containing (d) ethylenically unsaturated carboxylic acid is important as a component that further imparts the cohesive strength of the adhesive.
- an epoxy compound or an isocyanate compound is added as a cross-linking agent to form a carboxylic acid group. It is important to carry out a crosslinking reaction.
- the above-mentioned (a) carbon Acid-modified rosin ester monomer and rosin ester monomer, (b) Polyethylene glycol (meta) acrylate monomer chromatography, (c) (meth) ⁇ click Li Honoré acid C 4 ⁇ C] B A Rukirue scan ether mono M a, (d) d Ji Le emissions unsaturated mosquito Le Bonn acid-containing mono M a, And (e) the balance of the formulation of other monomers that can be co-polymerized with them, and furthermore, the epoxy compound or the isocyanate.
- the cross-linking agent produces a removable adhesive sheet of the present invention and, when cured, causes a cross-linking reaction to become a stable state in which the properties of the adhesive do not change. Shows sex. Normal curing conditions can be adopted, for example, about 2 weeks at room temperature and about 1 week at 40 ° C.
- the surface base material constituting the adhesive sheet examples include finolems (cellophane, polyethylene, polypropylene, soft polyvinyl chloride, hard polyvinyl chloride). , Polyester, etc.), papers (high quality paper, art paper, coated paper, cast coated paper, foil paper, craft paper, impregnated paper, vapor-deposited paper, low-size paper) , Water-soluble paper, etc.), metal foils, synthetic papers, non-woven fabrics and other supports, as well as heat-sensitive recording layers, image-receiving layers for thermal transfer recording, and ink jets. Those provided with layers such as a recording ink receiving layer, various printing layers, a coloring layer, and a concealing layer can be used as appropriate.
- the water-soluble polymer formed from water-soluble polymers such as the above papers, polyvinyl alcohol, canoleboxime cellulose, methylcellulose, etc. Finolem, or lactic acid or lactide, and glycolic acid, hydroxybutyric acid, hydroxyvaleric acid, hydroxypentanoic acid, or hydroxy.
- Xicaproic acid, hydr Films that can be easily hydrolyzed with an aqueous solution formed from a lactic acid-based polymer formed from a copolymer with hydroxycarboxylic acid such as loxyheptanoic acid or polylactic acid, etc. It is desirable to use it as a surface substrate.
- the adhesive performance is reduced when stored over time or under high humidity conditions. It is desirable to prepare it so that it does not contain calcium.
- paper such as art paper, coat paper, cast-coated paper, etc. having a pigment coating layer mainly composed of a pigment and an adhesive formed on the surface of a base paper, or a base paper
- a paper with a filling layer a layer that prevents the adhesive from seeping into the base paper
- inorganic pigments such as kaolin, creed, tanolek, calcined kaolin, titanium dioxide, aluminum hydroxide, silica, white carbon, etc.
- pigments that do not contain calcium such as organic synthetic pigments such as polystyrene resin fine particles, urea-formalin resin fine particles, and fine hollow particles.
- Dibasic acids such as laginic acid, ethylenediamine sodium, sodium tripolyphosphate, sodium acid metaphosphate, Potassium phosphate, sodium hexametharate, sodium polyphosphate, potassium polyphosphate, potassium metaphosphate
- a metal ion sequestering agent such as a condensed phosphate such as a polymer, it is possible to make it difficult to lower the adhesive performance.
- an adhesive is used in the opening provided with the pigment coating layer or the filling layer in order to fix the pigments and the pigment and the surface of the base paper.
- an adhesive used for the pigment coating layer or the filling layer a known material, for example, casein, starch, polyester resin, polyester resin, polyester resin, polycarbonate, or the like can be used.
- Livininoleanol, styrene-butadiene copolymer, methinomethacrylate Jen copolymers, ethylene monovinyl chloride copolymers, ethylene monovinyl acetate copolymers, acrylate ester copolymers and the like can be used.
- the pigment and the adhesive are dispersed in water to form a pigment coating liquid.
- the use ratio of the pigment and the adhesive can be selected from a wide range as appropriate.
- the pigment is used in an amount of about 70 to 95% by weight based on the total amount of the pigment and the adhesive. It is recommended to use about 80 to 90% by weight, and to use about 5 to 30% by weight of the adhesive, preferably about 10 to 20% by weight.
- the solid content weight of the pigment coating solution may be appropriately selected according to the coating method, but is generally preferably about 40 to 70% by weight.
- an auxiliary agent such as an antifoaming agent, a dispersing agent, or a dye is appropriately added to the pigment coating liquid having the pigment and the adhesive, as needed, as long as the properties are not impaired. It is coated with a normal coating device such as a blade coater, a no coater, an air knife coater, a gravure coater, etc.
- the coating amount of the coating liquid for forming the pigment coating layer is 2 g / m 2 or more in terms of solid content, preferably about 5 to 30 g / m 2.
- the coating amount of coated liquid for preventing layer formation by solids weight 0. lg Z m 2 or more, rather than to preferred l ⁇ 1 0 g It is about Z m 2 .
- a known stripping sheet can be used as the stripping sheet.
- a silicone sheet of an emulsion type, a solvent type, or a non-solvent type is used as a substrate for the stripping sheet.
- the ⁇ agent such as a resin or a full fluororesin, 0. 0 5 ⁇ 3 ⁇ / ⁇ 2 about coated, after which dry weight, heat cured to form a ⁇ adhesive layer Tsu by the electronic radiation curing and the like Things are used.
- any of those commonly used in the field of adhesive sheets can be used.
- the base material for the stripping sheet examples include high-density base paper such as glass paper; kraft paper; kraft paper, kraft paper, or high-quality paper.
- base paper such as glass paper; kraft paper; kraft paper, kraft paper, or high-quality paper.
- base paper such as glass paper; kraft paper; kraft paper, kraft paper, or high-quality paper.
- base material for example, casein, dextrin, starch, canoleboxyl methyloseloose, methylcenoroleose, ethenoresolerose, hydroxyxenolacenole Loose, polyvinylinoleone copolymer, styrene-butadiene copolymer, methyl methacrylate-butadiene copolymer, ethylene-vinyl monochloride copolymer,
- the filler layer is formed between the release sheet base material and the release agent, and the pigment used for the filler layer is a filler for the surface base material.
- the layer include those described above.
- the adhesive performance will be deteriorated. It is preferable to include an ion sequestering agent in the sealing layer.
- the proportion of the pigment and the natural or synthetic resin used can be appropriately selected from a wide range, but generally, the pigment is used in an amount of 5 to 30% by weight based on the total amount of the pigment and the natural or synthetic resin. %, Preferably about 10 to 20% by weight, and it is recommended that the resin be used in about 70 to 95% by weight, preferably about 80 to 90% by weight.
- the sealing layer is formed by applying and drying a coating liquid for forming a sealing layer obtained by dispersing the above resin and pigment in water on a base material for a release sheet.
- the solid content weight of the forming coating solution may be appropriately selected according to the coating method, and generally, it is preferably about 30 to 70% by weight.
- the coating amount of the coating liquid for forming the sealing layer is also in a wide range.
- Ru can be selected, in general, on a dry weight standards, 1 ⁇ 2 0 g Roh m 2 about as to the preferred arbitrariness.
- lactic acid or lactide and glycolic acid, hydrocyanic acid, hydroxyvaleric acid, hydroxypentanoic acid, and hydroxycarboxylic acid.
- Copolymers with hydroxycanolevonic acid, such as caproic acid and hydroxyquineptanoic acid, and lactic acid-based polymers, such as polylactic acid can be used on craft paper or woodfree paper. It is also possible to use a release sheet provided with a release agent layer on a base material impregnated with a laminate or a lactic acid-based polymer itself.
- the above-mentioned copolymer and polylactic acid are known as a hydrolyzable polymer or a bioabsorbable polymer.
- Japanese Patent Application Laid-Open No. 6-191550 It is described in the issue.
- the thickness can be selected from a wide range of forces, ', usually from l to 30 zm, preferably Those with a length of about 10 to 20 m can be used.
- the usual dry lamination method and wet lamination method are used. You can do it.
- the lactic acid-based polymer in order to impregnate the above lactic acid-based polymer into Kraft paper or high-quality paper, the lactic acid-based polymer must be impregnated with tetrahydrofuran. Dissolve in an organic solvent such as lanthanum to a concentration of about 1 to 20% by weight, and immerse a substrate for peeling sheet such as craft paper or woodfree paper in this solution to impregnate it. This solution can be applied to a release sheet such as craft paper or woodfree paper, and then dried.
- the impregnation amount is not particularly limited, and is usually 0.1 to dry weight: LO g Z m 2 , preferably 1 to 5 g nom 2 .
- LO g Z m 2 degree provided peel sheet over DOO Yomotozai, it was or, Po Li Binirua co one Le, force Honoré Boki shea main Chi le Senore b over scan, main switch Norese Honoré It is composed of a film base material that is dissolved or dispersed in water or alkaline water formed from a water-soluble polymer such as loose. Away also show or sheet provided over preparative substrate to a release agent layer, lactic acid-based port Li Ma-safe I Honoré A release sheet provided with a release agent layer on the system is desirable.
- the method of forming the adhesive sheet is usually such that a pressure-sensitive adhesive is applied onto the release agent surface of the release sheet, dried to form an adhesive layer, and then the adhesive is applied to the surface base material to finish.
- the pressure-sensitive adhesive layer may be provided by directly coating the pressure-sensitive adhesive on the surface substrate.
- Examples of the coating device for applying the adhesive include a roll coater, a knife coater, a hard coater, a tire coater, and a comma coater. 1. Lip coater, gravure coater, etc. are used as appropriate. Laydown of adhesive, Ru is adjusted in the range of about 5 ⁇ 5 0 g Z m 2 by dry weight. By the way, if it is less than 5 g Z m 2 , the adhesive performance of the obtained adhesive sheet will be insufficient, and if it exceeds 50 g Z m 2, it will be difficult to adhere the adhesive sheet. The adhesive may ooze out at the same time or cause cohesive failure at the time of peeling.
- the pressure-sensitive adhesive sheet of the present invention thus obtained has excellent recyclability of pulp because the pressure-sensitive adhesive is easily redispersed in water, and is sufficiently used for its adhesive performance. It is an adhesive sheet that can be used.
- the removable adhesive sheet of the present invention makes it possible to improve the recyclability of pulp by easily dispersing the adhesive in water. It is an adhesive label or adhesive sheet that is excellent and can be used sufficiently in its adhesive performance.
- Anionic emulsifier (trade name: Emal NC-35 Kao Corporation): 6 parts Ion exchange water: 150 parts
- a stirrer, cooler, drip funnel, nitrogen suction pipe A flask equipped with a thermometer, 150 parts of ion-exchanged water, 3 parts of hydrogen peroxide, After charging 3 parts of octyl methylcaptan and raising the temperature to 80 ° C. while purging with nitrogen, 1 Z 6 of the above-mentioned emulsion monomer mixture was added dropwise. When the reaction rate reached 90%, the remaining emulsified monomer mixture was added dropwise over 3 hours to carry out polymerization. After completion of the dropwise addition, the mixture was aged at 80 ° C for 3 hours to complete the reaction.
- polyethylene laminate paper (0.5% by dry weight of a release agent layer consisting of a silicone-based release agent on polyethylene laminate paper) also of) was formed in an amount of g / m 2, in earthenware pots by that Do and 2 5 g Z m 2 by dry weight and the resulting adhesive in the coated, dried, commercially available to obtain an adhesive sheet together Ri stuck with the high-quality paper of basis weight 6 4 g / m 2.
- Anionic emulsifier (trade name: Emar NC-35, manufactured by Kao Corporation): 6 parts
- Ion exchange water 150 parts
- An adhesive sheet was obtained in the same manner as in Example I-1 except that the above-mentioned adhesive was used.
- Anionic emulsifier (trade name: Emar NC-35Z manufactured by Kao Corporation): 6 parts
- Ion exchange water 150 parts
- An adhesive sheet was obtained in the same manner as in Example I-1 except that the above-mentioned adhesive was used.
- Anionic emulsifier (trade name: Emar NC-35 Kao Corporation): 6 parts
- Ion exchange water 150 parts
- An adhesive sheet was obtained in the same manner as in Example I-11, except that the adhesive was used.
- the emulsified monomer mixture is
- butyl acrylate 40 parts Acrysoleic acid mono- 2-ethylhexyl: 100 parts
- Metaquinoleic acid dimethinorea Minenotinole 20 parts
- Anion emulsifier (trade name: Emal NC-35 Nono Kao): 6 parts
- Ion exchange water 150 parts
- An adhesive sheet was obtained in the same manner as in Example I-11, except that the adhesive was used.
- Anion-based emulsifier (trade name: Emar NC-35, manufactured by Kao Corporation): 6 parts
- Ion exchange water 150 parts
- An adhesive sheet was obtained in the same manner as in Example I-11, except that the adhesive was used.
- Anionic emulsifier (trade name: Emar NC-3D) Made by Osha): 6 copies
- Ion exchange water 150 parts
- An adhesive sheet was obtained in the same manner as in Example I-1, except that the above adhesive was used.
- Atino oleic acid resin 100 parts
- Anionic emulsifier (trade name: Emma Nore NC-35, manufactured by Kao Corporation): 6 parts
- Ion exchange water 150 parts
- An adhesive sheet was obtained in the same manner as in Example I-1 except that the above-mentioned adhesive was used.
- Example I except that the power of meta-linoleic acid was changed to 60 g for acrylinoleic acid and 140 for adipic anhydride instead of glucanoic anhydride.
- a carboxylate-modified rosin ester represented by the following formula (6) was synthesized.
- Anion-based emulsifier (trade name: Emar NC—35 manufactured by Kao Corporation): 6 parts
- Ion exchange water 150 parts
- An adhesive sheet was obtained in the same manner as in Example I-11, except that the above-mentioned adhesive was used.
- Anionic emulsifier (trade name: Emar NC-35Z manufactured by Kao Corporation): 6 parts
- Ion exchange water 150 parts
- An adhesive sheet was obtained in the same manner as in Example I_1, except that the above-mentioned adhesive was used.
- Atolinoleic acid 2 Ethynolehexine: 120 parts
- Anionic emulsifier (trade name: EMAL NC—35 NOKAO): 6 parts
- Ion exchange water 150 parts
- An adhesive sheet was obtained in the same manner as in Example I-11, except that the above-mentioned adhesive was used.
- Acrylic olenoate 60 parts
- Ethylene hexinole 200 parts
- Anionic emulsifier (trade name: Emar NC-35Z manufactured by Kao Corporation): 6 parts
- Ion exchange water 150 parts
- An adhesive sheet was obtained in the same manner as in Example I-1 except that the above-mentioned adhesive was used.
- Anion-based emulsifier (trade name: Emar NC-35, manufactured by Kao Corporation): 6 parts
- Ion exchange water 150 parts
- An adhesive sheet was obtained in the same manner as in Example I-1, except that the above-mentioned adhesive was used.
- Ion exchange water 150 parts
- An adhesive sheet was obtained in the same manner as in Example I-11, except that the above-mentioned adhesive was used.
- An adhesive sheet was prepared in the same manner as in Example I-14, except that the following base material was used as the surface base material. (Creation of surface substrate)
- Kaolin (trade name: Amazon 88-88 manufactured by CADAM) 40 parts
- Kaolin (trade name: UW-90 manufactured by ZEMC) 40 parts
- hydroxide aluminum Minium (trade name: Hydrite H—42, manufactured by Showa Denko KK) 20 parts
- phosphorylated esterified starch (brand name: Neil Gum A—55 C, manufactured by Norbebe) 2 parts
- Latex (trade name: T-258 / NO) manufactured by Nippon Synthetic Rubber Co., Ltd. 12 parts
- dispersant (trade name: Alon A-9 manufactured by Toagosei Chemical Industry Co., Ltd.) 0.1 part
- This composition was mixed and prepared so as to have a solid content of 60% to obtain a coating composition.
- a Ku-obtained coated composition commercial dry weight on top of the high quality paper of basis weight 6 4 g / m 2 is 2 0 g ⁇ m 2 and the Hare coated by that Do, dried, scan A gloss finish was performed with a paper calender to obtain a surface substrate.
- An adhesive sheet was prepared in the same manner as in Example I-14, except that the following base material was used as the surface base material.
- a Ku-obtained coated composition commercial dry weight on top of the high quality paper of basis weight 6 4 g / m 2 is 2 5 g Z m 2 and the Hare coated by that Do, dried, scan -The surface is smoothened by a calender and the surface of the coating layer is pressed against the heated metal drum by the re-X method while the coating layer is in a wet state. Then, casting was performed to obtain a surface substrate.
- An adhesive sheet was prepared in the same manner as in Example I-14, except that the following base material was used as the surface base material.
- Kaolin (trade name: UW-90, manufactured by ZEMC) 70 parts, heavy calcium carbonate (trade name: hide mouth curve K-16Z Bihoku 30 parts, phosphoric acid Esterified starch (trade name: Neil Gum A — 55 C / Abebe) 1 part, oxidized starch (trade name: Ace AZ Oji Contact Co., Ltd.) 8 parts, SBR Latex (Trade name: T-122, 757, manufactured by Nippon Synthetic Rubber Co., Ltd.) 8 parts, dispersant (trade name: ARON A-9, manufactured by Toagosei Chemical Industry Co., Ltd.) 0
- the coating composition was obtained by mixing and preparing so as to have a partial concentration of 60%.
- the coating composition thus obtained is coated on a commercially available high quality paper of 64 g / m 2 of rice tsubo so as to have a dry weight of 20 g Z m 2 and dried to obtain a pigment.
- a coating layer was provided.
- a gloss finish was carried out using a super-carry render to finish the surface substrate.
- An adhesive sheet was prepared in the same manner as in Example I-1, except that the following base material was used as the surface base material.
- kaolin (trade name: UW-90) manufactured by EMC Co., Ltd. 45 parts
- canola carbonate (trade name: brilliant S—15) Shiroishi 5 5 parts
- Latex (trade name: L — 1392 / Made by Asahi Kasei Corporation) 2 1 part
- casein (trade name: ARASHID Z New Zealand) 5.43 parts
- dispersant (trade name: Nancarin S) 0 1 0 6 7 5 parts
- antifoaming agent (trade name: VISMAR FX-10Z manufactured by Nisshin Chemical Co., Ltd.) 0.3 part
- hybrid molding agent (trade name: Hide Lin Z — 8 No.
- An adhesive sheet was prepared in the same manner as in Example I-11, except that the base material shown below was used as the release sheet.
- the coating liquid 15 parts of kaolin (trade name: UW-90 / manufactured by EMC), esterified phosphoric acid starch (trade name: Niel gum A — 55 C / Abe) 5 parts, Polyvinyl alcohol paste (trade name: Kuraray PVA-103) 80 parts, Dispersant (trade name: Alon A-9) / Toagosei Chemical Industry Co., Ltd.) A composition consisting of 0.1 part was mixed and prepared so that the solid content concentration was 40%.
- kaolin trade name: UW-90 / manufactured by EMC
- esterified phosphoric acid starch trade name: Niel gum A — 55 C / Abe
- Polyvinyl alcohol paste trade name: Kuraray PVA-103
- Dispersant trade name: Alon A-9 / Toagosei Chemical Industry Co., Ltd.
- a solvent-type silicone release agent (trade name: LTC-130B / Toray Dawco) was placed on the sealing layer of the substrate for stripping sheet thus obtained.
- Catalyst (trade name: SRX-212) manufactured by Dow Corning Toray Co., Ltd .: 0.8 parts of the coating liquid having a dry weight of 1. Coating was performed so as to obtain 0 gm 2 , followed by heat curing to obtain a release sheet.
- Example I-16 except that double-sided kraft paper (trade name: Topcoat ⁇ 73>: manufactured by Shin-Oji Paper Co., Ltd.) was used as the substrate for the stripping sheet. Similarly, an adhesive sheet was created.
- double-sided kraft paper (trade name: Topcoat ⁇ 73>: manufactured by Shin-Oji Paper Co., Ltd.) was used as the substrate for the stripping sheet. Similarly, an adhesive sheet was created.
- An adhesive sheet was prepared in the same manner as in Example I-16, except that the following base material was used as the surface base material.
- kaolin trade name: UW—90 ZEMC
- phosphorylated esterified starch trade name: Neil Gum A—55 CZ Abebe
- oxidation 00 Starch trade name: Ace AZ Oji Consortium
- SBR latex trade name: T-122577 Z Japan Synthetic Rubber Co., Ltd.
- dispersed Agent trade name: ARON A-9, manufactured by Toagosei Chemical Industry Co., Ltd.
- 0.1 part of a composition is mixed and prepared so as to have a solid concentration of 60096, and a coating composition is prepared.
- a Ku-obtained coated composition to be coated in earthenware pots by dry weight on fine paper commercial basis weight 6 4 g / m 2 is that Do and 2 0 g Z m 2, dried A coating layer was provided. Next, gloss finishing was performed with a super calender to finish the surface substrate.
- An adhesive sheet was prepared in the same manner as in Example I-16 except that the following base material was used as the surface base material.
- Kaolin (trade name: UW-90, manufactured by EMC) 70 parts, calcined kaolin (trade name: Ansilex ZEMC), 30 parts, 1 part of phosphorylated esterified starch (trade name: Neil Gum A — 55C Noah Bebe) 1 part, oxidized starch (trade name: ACE AZ Oji Contact Corporation) 8 parts, SBR latex 8 parts (Trade name: T-225 / Nippon Synthetic Rubber Co., Ltd.) 8 parts, dispersant A—9Z manufactured by Toagosei Chemical Industry Co., Ltd.) 0.1 part of the composition was mixed and prepared to have a solid content of 60% to obtain a coating composition.
- a Ku-obtained coated composition to be coated in earthenware pots by dry weight on fine paper commercial basis weight 6 4 g / m 2 is that Do and 2 0 g Z m 2, dried A pigment coating layer was provided. Next, the surface was finished with a gloss finish using a super calender.
- An adhesive sheet was prepared in the same manner as in Example I-16, except that the base material shown below was used as the base material for the release sheet.
- An adhesive sheet was prepared in the same manner as in Example I-16 except that the base material shown below was used as the base material for the release sheet.
- a commercially available polylactic acid film (trade name: Lacty / Shimadzu Corporation) is used as the surface substrate and release sheet substrate.
- An adhesive sheet was prepared in the same manner as in Example I-16, except that was used.
- Example I-16 (Finorem with a thickness of 50 m, made mainly of polyethylene oxide, trade name: Paogen Z Daiichi Sangyo Pharmaceutical Co., Ltd.) The procedure was the same as in Example I-16 except that the water-soluble film was used as the substrate for the stripping sheet, but the stripping sheet prepared in the same manner as in Example I-16 was used. An adhesive sheet was prepared in the same manner as in Example I-16.
- Table 1 shows the results including the recycling suitability of the label (not including the release paper), and Table 2 shows the results including the recycling suitability of the adhesive sheet (including the release paper). Is shown.
- the behavior of the pressure-sensitive adhesive when the surface of the pressure-sensitive adhesive layer of the pressure-sensitive adhesive sheet was rubbed with a finger 10 times while being immersed in 20 pieces of water was evaluated according to the following evaluation criteria.
- the pressure-sensitive adhesive layer was re-dispersed into fine particles having no tackiness.
- the pressure-sensitive adhesive layer was re-dispersed into relatively large particles while maintaining a slight tackiness.
- the mixture was left for 120 minutes while maintaining the temperature at 55 ° C, diluted with water until the temperature was reduced to 17.5%, and then the second kneading was performed. The treatment was performed similarly. Thereafter, the mixture was further diluted with water until the pulp concentration reached 1%. Next, the 1% concentration pulp dispersion liquid was subjected to floating separation treatment for 10 minutes overnight on a flotate. Bubbles generated at that time were removed by a scraper, and the obtained floating separation solution was further washed with 800 ml of water and dewatered until the concentration reached 13%.
- ⁇ Almost no undisintegrated matter. ⁇ : There is a small amount of undissociated material, but there is no practical problem. ( X: Undissociated material is conspicuous.
- Example I-10 1100 1000 ⁇ ⁇ ® ⁇ Example 1-11 1300 1100 ⁇ ⁇ ⁇ ⁇ Comparative example I-1 1200 1050 ⁇ X X X Comparative example I-2 300 200 X ⁇ ⁇ ⁇
- the pressure-sensitive adhesive sheet of the present invention is excellent in recyclability of pulp since the pressure-sensitive adhesive is easily redispersed in water, and It can be seen that the adhesive sheet can be used satisfactorily also in its adhesive performance.
- Example I-18 uses a rosin ester monomer as the monomer (a), but is slightly more redispersed in water than that using a carboxylic acid-modified mouth diester monomer. It has poor moisture resistance, but has excellent moisture resistance.
- Example I-1 L1 uses a copolymer containing no monomer (d) component, and is slightly inferior in water redispersibility to others.
- Example I Examples 1-112 to 15 used pigment-coated paper as the surface substrate.
- the adhesive sheets of Examples I114 and I115 in which the pigmented coating layer contains calcium deteriorate when exposed to high humidity, and the adhesive strength is reduced. It is preferable to provide a calcium-free pigment coating layer.
- the embodiment I-116 to the embodiment I-119 are not made of a laminate sheet made of polyethylene laminate but used as a sealing layer containing kaolin.
- a stripping sheet provided with a release agent layer on a lacquered paper was used.
- This adhesive sheet even if mixed with used paper together with the peeling sheet, was Rhinoceros It is something that can be done with enough clutter. By the way, if the polyethylene laminating release paper is mixed in, it becomes difficult to recycle as shown in Example I-11 at the end of Table 2.
- Example I-120 is a base material for a laminated sheet obtained by laminating a polylactic acid polymer
- Example I-121 is a peeled sheet impregnated with a polylactic acid polymer. It is a new stripping sheet using a base material for application. The adhesive sheet using this stripped sheet can also be recycled sufficiently even if it is mixed with waste paper.
- Example I-22 was a polylactic acid polymer film
- Example I-123 was a film made of a water-soluble polymer, used for both the surface substrate and the stripped sheet. This is an example. Adhesive sheets that use finolem for both the surface substrate and the release paper do not use recycled paper, so they do not produce recycled pulp. There are many things to do. The adhesive sheets of Example I-122 and Example I-123 do not adversely affect the processing of used paper even if mixed into the used paper.
- the adhesive sheet of the present invention is an adhesive sheet that can be easily processed by ordinary waste paper processing equipment, and is extremely practical.
- examples and comparative examples of the removable adhesive sheet of the present invention will be described.
- a flask equipped with a stirrer, exhaust pipe, drip funnel, nitrogen suction pipe, and thermometer was charged with 70 parts of methacrylic acid and 90 parts of lipohydrin at the mouth. 100 under nitrogen gas. The temperature was raised to C and maintained for 2 hours. Next, 300 parts of fully dissolved abietic acid rosin was added and kept at 230 ° C for 2 hours. Next, 125 parts of glutaric anhydride was added, and the mixture was kept at 230 ° C for 2 hours to synthesize a carboxylate-modified rosin ester represented by the formula (4).
- Anion-based emulsifier (trade name: Emar NC-35, manufactured by Kao Corporation): 1.5 parts
- the emanoresin obtained by the above method was added to 100 parts of the copolymer in the emulsion as a cross-linking agent, as a cross-linking agent.
- One part of Nore (trade name: Denacol EX-4221 Z Nagase Kasei Kogyo Co., Ltd.) was added, and the mixture was stirred until the mixture became uniform to produce an adhesive used in the present invention.
- Anionic emulsifier (trade name: Emar NC-35Z manufactured by Kao Corporation): 1.5 parts
- Ion exchange water 90 parts Then, a copolymer in the form of an aqueous emulsion was obtained in the same manner as in Example II-11.
- the emulsion obtained by the above method was used as a crosslinking agent with respect to 100 parts of the copolymer in the emulsion, as a cross-linking agent.
- a crosslinking agent (Trade name: Denaco Ichinore EX-313Z manufactured by Nagase Kasei Kogyo Co., Ltd.) was added, and the mixture was stirred until the mixture became uniform to produce an adhesive used in the present invention.
- a removable adhesive sheet was obtained in the same manner as in Example II-1 except that the above adhesive was used.
- Phenolic ethylene glycol creator 5 parts acrylinoleic acid butyrinole: 10 parts
- Atolinoleic acid 2 Ethylene hexyl: 24 4 parts
- Anion-based emulsifier (trade name: Emar NC-35) Made by Osha): 1.5 copies
- the emanol resin obtained by the above method was used as a crosslinking agent for trimethylolpropane diglycidinoleether (100 parts) of the copolymer in the emanol resin.
- a re-peelable pressure-sensitive adhesive sheet was obtained in the same manner as in Example II-11, except that the pressure-sensitive adhesive was used.
- the emulsified monomer mixture is
- Anionic emulsifier (trade name: Emar NC-35Z manufactured by Kao Corporation): 1.5 parts
- a removable adhesive sheet was obtained in the same manner as in Example II-11, except that the above-mentioned adhesive was used.
- the mixture was mixed and prepared, and the mixture was added to a jig cello-nore retori gly-sino-retroether (trade name: Denaco Noh-EX EX-421 Nagase Kasei Kogyo Co., Ltd.).
- An adhesive was produced in the same manner as in Example II-1 except that one part was added.
- a peelable pressure-sensitive adhesive sheet was obtained in the same manner as in Example II-11, except that the pressure-sensitive adhesive was used.
- Athenolenoic acid 2 Echinolene hexanole: 50 parts
- the copolymer obtained by the above method was used as a cross-linking agent for diphenylene meth- ane-1,4'-diisocyanate (trade name: MDI-LTZ Mitsui East) 8 parts) was added, and the mixture was stirred until it became uniform to produce an adhesive.
- diphenylene meth- ane-1,4'-diisocyanate trade name: MDI-LTZ Mitsui East
- a removable adhesive sheet was obtained in the same manner as in Example 11-11, except that the above-mentioned adhesive was used.
- bis (4-isocyclohexene) methane (trade name: Desmodu Yunore WZ manufactured by Sumitomo Nokiel Urethane Co., Ltd.) is used.
- An adhesive was produced in the same manner as in Example II-6 except that the I got one.
- An adhesive sheet was prepared in the same manner as in Example II-11 except that no crosslinking agent was added.
- a removable adhesive sheet was prepared in the same manner as in Example II-1, except that 12 parts of a crosslinking agent was added.
- Anion-based emulsifier (trade name: Emar NC-35, manufactured by Kao Corporation): 1.5 parts
- a re-peelable adhesive sheet was prepared in the same manner as I I-1.
- Anion-based emulsifier (trade name: Emal NC-35Z manufactured by Kao Corporation): 1.5 parts
- a removable adhesive sheet was prepared in the same manner as in Example II-1 except that a mixture prepared by mixing the above was used.
- a peelable adhesive sheet was prepared in the same manner as in Example II-1, except that the following peeling sheet was used as the peeling sheet.
- a solvent-type silicone stripping agent (trade name: LTC-130B) was applied on the sealing layer of the stripping sheet base material thus obtained.
- O g Z m Coating was performed so as to obtain 2, and heat curing was performed to obtain a release sheet.
- Double-sided kraft paper (trademark)
- Example 11 A removable adhesive sheet was prepared in the same manner as in Example II-18, except that the following base material was used as the surface base material.
- force oil (trade name: UW-90 / E)
- MC Co., Ltd. 100 parts, phosphorylated esterified starch (trade name: Neil Gum A-55 cz Abebe) 1 part, oxidized starch (trade name: Ace AZ Oji Contact) 8 parts, SBR Latex (trade name: ⁇ 1 225 7 Z manufactured by Nihon Synthetic Rubber Co., Ltd.) 8 parts, dispersant (trade name: Alon A—9 Z Toagosei Chemical Industry Co., Ltd.) Co., Ltd.) (0.1 part) was mixed and prepared so as to have a solid concentration of 60% to obtain a coating composition.
- Or Ku a coated the coated composition obtained by dry weight on fine paper commercial basis weight 6 4 g / m 2 within cormorants by that Do and 2 0 g / m 2 and dried to pigments coated A coating layer was provided. Then, Suno ,. The surface was finished with a glossy finish by one calender.
- a removable adhesive sheet was prepared in the same manner as in Example 11-18, except that the following base material was used as the surface base material.
- Kaolin (trade name: UW-90, manufactured by ZEMC) 70 parts, calcined kaolin (trade name: Ansileksuno EMC), 30 parts, 1 part of phosphorylated esterified starch (trade name: Neil Gum A-55C / Abebe), 8 parts of oxidized starch (trade name: Ace AZ Oji Contact), SBR latex (Trade name: T-122570Z, manufactured by Nihon Synthetic Rubber Co., Ltd.) 8 parts, dispersant (trade name: Alon A-9Z, manufactured by Toagosei Chemical Industries, Ltd.) 0.1 part
- the composition was mixed and prepared to give a solid content of 60% to obtain a coating composition.
- a re-peelable adhesive sheet was prepared in the same manner as in Example II-18, except that the following base material was used as the surface base material.
- Kaolin (trade name: UW-90 manufactured by ZEMC) 70 parts, heavy calcium carbonate (trade name: Hide mouth curve K-16 Bihoku powder) 30 parts, phosphoric acid 1 part of esterified starch (trade name: Neil Gum A — ⁇ 5C / Abebe), 8 parts of oxidized starch (trade name: Ace Peno-Ohji Contact), SBR Latex (Trade name: T-122570Z, manufactured by Nippon Synthetic Rubber Co., Ltd.) 8 parts, dispersant (trade name: Alon A-9Z manufactured by Toagosei Chemical Industry Co., Ltd.) 0.1 part Were mixed and adjusted to have a solid content of 60% to obtain a coating composition.
- Or Ku a coated the coated composition obtained by dry weight on fine paper commercial basis weight 6 4 g / m 2 within cormorants by that Do and 2 0 g / m 2 and dried to pigments coated A coating layer was provided. Next, a glossy finish was performed with a super calender to finish the surface substrate.
- the adhesive strength after storage under the following two conditions was measured respectively (unit: gZ25 mm) in accordance with the measurement method of normal adhesive strength of JIS — 0 237.
- Condition B After the adhesive sheet is manufactured, it is kept under the conditions of Condition A. After storage, it was further stored for 7 days in an atmosphere at a temperature of 40 ⁇ 2 ° (relative humidity of 90 t 5%).
- the adhesive sheet After the production of the adhesive sheet, store it for 14 days in an atmosphere with a temperature of 23 ⁇ 2 ° (with a relative humidity of 65 ⁇ 5%), use it as a measurement sample, and use commercially available hard PVC as an adherend.
- the sample was peeled off at a speed of 5 m after one day, and the removability was evaluated according to the following criteria.
- the adhesive sheet base material breaks during peeling, or the adhesive remains on the adherend.
- the behavior of the pressure-sensitive adhesive when the pressure-sensitive adhesive layer surface of the pressure-sensitive adhesive sheet was rubbed with a finger 10 times while being immersed in water at 20 ° C. was evaluated according to the following evaluation criteria.
- Example II-11 The recyclability adequacy was evaluated from Example II-11.
- Examples II-17 and Comparative Examples II-1 to II-14 the adhesive labels described below were evaluated.
- Examples II-18 to II-11 the following descriptions were used.
- the adhesive sheet was evaluated.
- Water is added to 50 g of the sample so that the pulp concentration becomes 3%, and the pulp concentration becomes 15% after performing a 1500 rpm rotation treatment using a TAPPI disintegrator. After dehydration, add 1.5 g of an 18% NaOH aqueous solution and 1.8 g of a 10% deinking agent (trade name: DI-600, manufactured by Kao Corporation). At 40 ° C for 20 minutes, and then dehydrated until the pulp concentration becomes 25%. Then, 3.62 g of an 18% aqueous NaOH solution, 30% N aqueous solution a 2 S i 0 3 aq 3. 8 5 g, the H 2 0 2 water 6% concentration was added 5 g each, followed by a 5 minutes two Di in g treated with double-arm double over da one .
- a 10% deinking agent trade name: DI-600, manufactured by Kao Corporation
- Adhesive sheet with excellent removability and recyclable waste paper in the form of an adhesive label with a surface substrate and an adhesive layer laminated on it It shows a sufficient adhesive strength in the adhesive performance of the agent, and the adhesive strength is less likely to deteriorate by wet heat.
- ⁇ It is an adhesive sheet with excellent removability, and is capable of recycling used paper in the form of an adhesive label in which a surface substrate and an adhesive layer are laminated. It shows a sufficient adhesive strength in the adhesive performance of the pressure-sensitive adhesive, and the adhesive strength is at a level where there is a slight deterioration due to wet heat.
- a recycled paper in the form of an adhesive sheet in which a surface substrate, an adhesive layer and a peeling sheet are sequentially laminated is used. It is possible, and it shows a sufficient adhesive strength in the adhesive performance of the pressure-sensitive adhesive, and there is a slight problem of deterioration of the adhesive strength by wet heat.
- the removability of the present invention was Adhesive sheets are excellent in recyclability of pulp because the adhesive is easily redispersed in water, and can be used with sufficient adhesive performance. It was a bird.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Paper (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU41887/96A AU688646B2 (en) | 1994-12-16 | 1995-12-15 | Pressure-sensitive adhesive sheet |
EP95940443A EP0745653A4 (en) | 1994-12-16 | 1995-12-15 | PRESSURE SENSITIVE ADHESIVE FILM |
US08/693,193 US5851662A (en) | 1994-12-16 | 1995-12-15 | Adhesive sheet |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6/313794 | 1994-12-16 | ||
JP31379494 | 1994-12-16 | ||
JP28992795A JP3344613B2 (ja) | 1994-12-16 | 1995-11-08 | 粘着シート |
JP7/289927 | 1995-11-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996018703A1 true WO1996018703A1 (fr) | 1996-06-20 |
Family
ID=26557805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1995/002573 WO1996018703A1 (fr) | 1994-12-16 | 1995-12-15 | Feuille adhesive autocollante |
Country Status (5)
Country | Link |
---|---|
US (1) | US5851662A (ja) |
EP (1) | EP0745653A4 (ja) |
JP (1) | JP3344613B2 (ja) |
AU (1) | AU688646B2 (ja) |
WO (1) | WO1996018703A1 (ja) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6048953A (en) * | 1996-06-03 | 2000-04-11 | Toyo Ink Manufacturing Co., Ltd. | Curable liquid resin composition |
KR19990061308A (ko) * | 1997-12-31 | 1999-07-26 | 김충세 | 자외선 경화형 수지의 제조방법 |
JPH11249259A (ja) * | 1998-02-26 | 1999-09-17 | Fuji Photo Film Co Ltd | 写真感光材料包装用粘着性シートおよび粘着剤 |
EP1000991A4 (en) * | 1998-04-14 | 2001-11-21 | Sony Chemicals Corp | PRESSURE SENSITIVE TAPE AND METHOD FOR THE PRODUCTION THEREOF |
ATA43799A (de) * | 1999-03-12 | 2002-08-15 | Polyfelt Gmbh | Betonschalung |
KR100387545B1 (ko) * | 2000-01-19 | 2003-06-18 | 닛토덴코 가부시키가이샤 | 용제-함유물 제거용 점착 시이트 |
JP2001294829A (ja) * | 2000-04-10 | 2001-10-23 | Lintec Corp | 粘着シート及び該粘着シートを用いた粘着ラベル |
MY134362A (en) * | 2002-11-20 | 2007-12-31 | Efka Additives B V | Aqueous emulsion polymer as dipersant |
JP2004191777A (ja) * | 2002-12-12 | 2004-07-08 | Kiso Kasei Sangyo Kk | 貼着用ラベルシート |
WO2004060648A1 (en) * | 2002-12-27 | 2004-07-22 | Exxonmobil Oil Corporation | Clear polymeric label including delaminatable mask layer |
NL1024200C2 (nl) | 2003-08-29 | 2005-03-01 | Lijmtechniek B V | Hechtmiddel op basis van biologisch afbreekbare acrylaten. |
JP4724368B2 (ja) * | 2004-01-07 | 2011-07-13 | コスメディ製薬株式会社 | 粘着剤組成物および貼付剤 |
JP4949390B2 (ja) * | 2006-05-12 | 2012-06-06 | セイコーエプソン株式会社 | 粘着シートおよび玉型加工方法 |
JP4236120B2 (ja) * | 2006-08-03 | 2009-03-11 | 日東電工株式会社 | 水性感圧接着剤組成物の製造方法 |
EP2573265A1 (en) * | 2008-03-20 | 2013-03-27 | International Paper Company | Paper substrates useful as universal release liners |
WO2009126532A2 (en) * | 2008-04-11 | 2009-10-15 | 3M Innovative Properties Company | Transparent adhesive sheet and image display device including the same |
JP5448409B2 (ja) | 2008-10-16 | 2014-03-19 | 日東電工株式会社 | 粘着剤組成物および粘着シート |
JP5242331B2 (ja) | 2008-10-16 | 2013-07-24 | 日東電工株式会社 | 粘着剤組成物およびその利用 |
CN102906333A (zh) * | 2010-04-21 | 2013-01-30 | 卡吉尔公司 | 粘合剂 |
WO2012070526A1 (ja) * | 2010-11-26 | 2012-05-31 | 日東電工株式会社 | ポリ乳酸系フィルム又はシート |
EP2813537B1 (en) * | 2012-02-10 | 2017-05-31 | Nitto Denko Corporation | Separator |
US9581924B2 (en) | 2014-11-14 | 2017-02-28 | Xerox Corporation | Bio-based acrylate and (meth)acrylate resins |
US9780347B2 (en) * | 2015-03-09 | 2017-10-03 | Johns Manville | Acid resistant glass mats that include binders with hydrophilic agents |
CN110396370B (zh) * | 2019-08-07 | 2021-06-04 | 济南北方泰和新材料有限公司 | 一种uv-led固化改性丙烯酸酯压敏胶及其制备方法 |
JP7377104B2 (ja) * | 2019-12-27 | 2023-11-09 | 積水化学工業株式会社 | 粘着テープ |
WO2024064204A1 (en) * | 2022-09-20 | 2024-03-28 | Intertape Polymer Corp. | Starch extruded film/adhesive and method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0374486A (ja) * | 1989-06-26 | 1991-03-29 | Kendall Co:The | 再パルプ化できるテープ、そのための接着剤組成物及び該組成物の製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4337297A (en) * | 1981-07-16 | 1982-06-29 | Gulf Oil Corporation | Coextrudable thermoplastic compositions and bonds and laminates therefrom |
US4413080A (en) * | 1982-06-21 | 1983-11-01 | Minnesota Mining And Manufacturing Co. | Water-dispersible pressure-sensitive adhesive and tape made therewith |
JPS6293999A (ja) * | 1985-10-19 | 1987-04-30 | 大日本スクリ−ン製造株式会社 | プリント基板のスル−ホ−ル穴埋め方法 |
JPH07502548A (ja) * | 1991-10-15 | 1995-03-16 | エイベリ デニソン コーポレイション | 再プルプ化可能な感圧接着剤組成物の改良 |
JP3046455B2 (ja) * | 1992-05-13 | 2000-05-29 | 日東電工株式会社 | 電子部品連設用テープ |
US5514435A (en) * | 1993-03-10 | 1996-05-07 | New Oji Paper Co., Ltd. | Adhesive sheet |
-
1995
- 1995-11-08 JP JP28992795A patent/JP3344613B2/ja not_active Expired - Fee Related
- 1995-12-15 WO PCT/JP1995/002573 patent/WO1996018703A1/ja not_active Application Discontinuation
- 1995-12-15 EP EP95940443A patent/EP0745653A4/en not_active Withdrawn
- 1995-12-15 AU AU41887/96A patent/AU688646B2/en not_active Ceased
- 1995-12-15 US US08/693,193 patent/US5851662A/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0374486A (ja) * | 1989-06-26 | 1991-03-29 | Kendall Co:The | 再パルプ化できるテープ、そのための接着剤組成物及び該組成物の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP0745653A1 (en) | 1996-12-04 |
AU4188796A (en) | 1996-07-03 |
JPH08218040A (ja) | 1996-08-27 |
EP0745653A4 (en) | 1998-11-25 |
JP3344613B2 (ja) | 2002-11-11 |
US5851662A (en) | 1998-12-22 |
AU688646B2 (en) | 1998-03-12 |
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