WO2006028008A1 - アクリル系重合体エマルジョン及びそれからなる手袋 - Google Patents
アクリル系重合体エマルジョン及びそれからなる手袋 Download PDFInfo
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- WO2006028008A1 WO2006028008A1 PCT/JP2005/016096 JP2005016096W WO2006028008A1 WO 2006028008 A1 WO2006028008 A1 WO 2006028008A1 JP 2005016096 W JP2005016096 W JP 2005016096W WO 2006028008 A1 WO2006028008 A1 WO 2006028008A1
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions 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; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
-
- 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
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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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
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
Definitions
- Acrylic polymer emulsion and gloves comprising the same
- the present invention relates to an acrylic polymer emulsion and a glove comprising the same, and in particular, an acrylic polymer emulsion used as an aqueous molding material, coating material, adhesive, or a processing agent for paper or fiber, and the like.
- excellent in practical properties such as tensile strength, elongation, alcohol resistance, detergent resistance, oil resistance, return characteristics after tension, and feeling of wearing, etc. obtained by using this, for home use, work use, inspection use, medical use Related to gloves.
- a processing agent for water-based molding materials coating materials, adhesives, paper and fibers, natural rubber, synthetic rubbers such as NBR, SBR, black-prene, silicone, etc.
- rosin-based materials such as fluorine-based and acrylic-based materials are often used.
- these materials can be used as molding materials for gloves for home use, work use, inspection use, medical use, etc. as tensile strength, elongation, alcohol resistance, return characteristics after pulling, wearing In terms of feeling and other practical characteristics of the glove as a molded product, it was not satisfactory.
- Patent Document 1 describes a glove formed by adding zinc white or a known resin cross-linking agent to acrylic resin emulsion
- Patent Document 2 describes silane coupling to acrylic resin emulsion
- a glove formed by adding an agent is described
- Patent Document 3 describes a glove obtained from an acrylic resin having a rubber layer containing ceramic particles or organic filler particles having an average particle diameter of 10 to: LOO m.
- a glove provided on the outer surface is described.
- Patent Document 4 is obtained by blending an acrylic resin emulsion with a thixotropic agent or a thickener such as a polyacrylic acid ammonium polycarboxylic acid compound. Disclosed gloves are disclosed.
- the acrylic resin used in these Patent Documents 1 to 4 is n-butyl acrylate! /, Is a polymer of ethyl acrylate! / Is an external crosslinking agent. It is cross-linked using, and does not have sufficient strength, alcohol resistance and return characteristics described later. This is a common emerald, such as strength 'modulus' elongation and alcohol resistance This is because the balance between the absolute value and the return condition after stretching is inferior. Also, when the obtained molded product was dry-crosslinked, it became greasy, that is, paper-like, and lacked rubber-like properties. In other words, the physical properties are insufficient in terms of performance, and the glove feel is not sufficient.
- Patent Document 5 shows an aqueous resin composition obtained by emulsion polymerization of a vinyl monomer in the presence of suspension polymer particles having defined acid value and hydroxyl value. This composition has been shown to have excellent alcohol shock resistance, water resistance of the film, and the like.
- MMA methyl metatalylate
- ST styrene
- 11-butyl acrylate 11: 6-8) 0 to 20 parts by weight
- 2 —Ethylhexyl acrylate 2-EHA
- 2-hydroxyethyl methacrylate 2-HEMA
- MAA methacrylic acid 6-35 parts by weight
- MMA 10 to 35 parts by weight, ST 10 to 20 parts by weight, n-BA 0 to 40 parts by weight, 2-EHA 0 to 40 parts by weight, 2-HEMA 5 parts by weight, glycidyl metatalate (GMA) 10 to 25 parts by weight of polymer are shown! /, (Table 3).
- Patent Document 1 Japanese Unexamined Patent Publication No. 2000-355808
- Patent Document 2 Japanese Patent Laid-Open No. 2001-89913
- Patent Document 3 Japanese Patent Laid-Open No. 2001-295113
- Patent Document 4 Japanese Patent Laid-Open No. 2002-194609
- Patent Document 5 Japanese Patent Laid-Open No. 10-265636
- the present invention obtains a new water-dispersed polymer and uses the water-dispersed heavy body to obtain tensile strength, elongation, and alcohol resistance in molded articles such as gloves. They are trying to improve practical properties such as resistance, detergent resistance, oil resistance, return characteristics after tension, and wearing feeling. Means for solving the problem
- the present invention improves the above-mentioned drawbacks in acrylic, and a glove having excellent practical properties can be obtained simply by heat drying and heat crosslinking without using an external crosslinking agent with a simple formulation.
- a long-chain cross-linkable monomer as a crosslinking monomer of an alkyl acrylate or alkyl metatalylate monomer, the above-mentioned practical characteristics are excellent and a paper-like property is achieved.
- the present invention provides an elastomeric acrylic molding material having a rubber-like softness and a return characteristic, and a glove obtained therefrom.
- the glass transition temperature Tg is above 80 ° C bicycloalkyl when formed into a homopolymer -9-49% by weight of a monomer and a bulle monomer having a carboxyl group 0.2-: a cross-linkable monomer having a LO weight% and a molecular weight of 280 or more 0.1-5% by weight
- the content is an acrylic polymer emulsion containing a polymer obtained by polymerizing a total of 100% by weight of a monomer mixture comprising:
- the alkyl and Atari rate or alkyl methacrylate Tari rate 60 to 80 weight 0/0, Bulle monomer 19 to the glass transition temperature Tg is above 80 ° C when formed into a homopolymer Total of monomer mixture consisting of 39% by weight, 0.5 to 5% by weight of a vinyl monomer having a carboxyl group, and 0.3 to 3% by weight of a crosslinkable monomer having a molecular weight of 280 or more Acrylic polymer emulsion containing a polymer obtained by polymerizing 100% by weight is preferred.
- alkyl phthalate or alkyl metatalylate is 70 to 75% by weight and a glass transition temperature Tg of 80 ° C or more when made into a homopolymer 23 to 28% by weight %, A monomer mixture of 1 to 3% by weight of a vinyl monomer having a carboxyl group and 0.5 to 2.5% by weight of a crosslinkable monomer having a molecular weight of 280 or more. More preferred is an acrylic polymer emulsion containing a polymer formed by superimposing.
- the alkyl acrylate or alkyl methacrylate is an alkyl acrylate or alkyl methacrylate having an alkyl group having 8 or more carbon atoms.
- the acryl polymer emulsion according to any one of claims 1 to 3 is preferred.
- an alkyl acrylate or alkyl methacrylate having an alkyl group having 8 or more carbon atoms 2-ethylhexyl acrylate, 2-ethyl hexyl methacrylate, lauryl acrylate, lauryl methacrylate
- the bulle monomer having a glass transition temperature Tg of 80 ° C or higher when used as a homopolymer is at least one selected from acrylonitrile, styrene, and methyl methacrylate.
- the acrylic polymer emulsion described in Item 1 is preferably used.
- the crosslinkable monomer having a molecular weight of 280 or more is poly (tetramethylene ether) glycol diglycidyl ether. Emulsion is preferred.
- the crosslinkable monomer having a molecular weight of 280 or more has poly (tetramethylene ether) glycol diglycidyl ether, propylene glycol polybutylene glycol mono acrylate, and an alkoxy group having 10 or more carbon atoms.
- the present invention includes a glove obtained by molding the above acrylic polymer emulsion by a hand-type dipping method.
- the present invention provides a new emulsion-based acrylic material that is not a resin (containing a plasticizer), and a glove molded therefrom. Because it is an emulsion type, it is possible to easily create gloves by salt coagulation dipping, and vulcanizing agents (S, ZnO, etc.) and vulcanization accelerators are not required, and therefore there is no concern for type IV allergies (skin irritation) caused by vulcanization accelerators. Also solvent Because it does not contain plasticizers, there is no need to worry about bleed (plasticizer transfer) in recovering environmentally friendly solvents. In addition, when manufacturing gloves, it is possible to make thin or ultra-thin gloves simply by simply drying and heat-crosslinking.
- acrylic resin emulsion is stable because it is hydrophilic, but has poor film-forming properties in the salt coagulation method and low alcohol resistance. In addition, it was powerful enough for food processing and alcohol disinfection.
- the present invention by introducing a crosslinkable monomer having a relatively large molecular weight into the alkyl acrylate monomer, it is possible to improve detergent resistance and oil resistance.
- the alcohol resistance can be remarkably improved by adding hydrophobicity using a long-chain alkyl acrylate monomer.
- the crosslinkable monomer flexibility and flexibility are imparted, and the balance of practical properties is improved. In addition to a paper-like grease feel, rubber-like flexibility and return after pulling Thus, it is possible to provide an acrylic glove that can be used practically, an acrylic emulsion raw material for molding the glove, and a glove molded using the acrylic glove.
- the acrylic polymer emulsion of the present invention comprises an alkyl acrylate or alkyl methacrylate 50 to 90% by weight, and a bulle monomer having a glass transition temperature Tg of 80 ° C or higher when a homopolymer is used.
- Monomer mixture consisting of ⁇ 49% by weight, 0.2 to 10% by weight of a bure monomer having a carboxyl group, and 0.1 to 5% by weight of a crosslinkable monomer having a molecular weight of 280 or more. It is characterized by containing an acrylic polymer obtained by polymerizing a total of 100% by weight.
- the acrylic polymer emulsion of the present invention is preferably a vinyl having an alkyl acrylate or alkyl methacrylate of 60 to 80% by weight and a glass transition temperature Tg of 80 ° C or more when a homopolymer is used.
- a monomer comprising 19 to 39% by weight of a monomer, 0.5 to 5% by weight of a bull monomer having a carboxyl group, and 0.3 to 3% by weight of a crosslinkable monomer having a molecular weight of 280 or more. It contains an acrylic polymer obtained by polymerizing a total of 100% by weight of the monomer mixture.
- the acrylic polymer emulsion of the present invention more preferably has an alkyl acrylate or alkyl methacrylate of 70 to 75% by weight and a glass transition temperature T when a homopolymer is used.
- Tg is based on data described in documents such as “Polymer Handbook” published by Willy Co., or data information of a monomer manufacturer.
- the alkyl acrylate or alkyl methacrylate (hereinafter sometimes simply referred to as "monomer (1)") used in the present invention is the main component of the polymer component of the acrylic polymer emulsion of the present invention. Is a component that forms a soft segment.
- alkyl phthalates or alkyl metatalates include ethyl acrylate (Tg: —22 ° C), isopropyl acrylate (Tg: —5 ° C), butyl acrylate (Tg: —54 ° C).
- those having an alkyl group having 8 or more carbon atoms are preferred particularly for applications requiring alcohol resistance, especially for applications requiring detergent resistance and oil resistance. In this case, those having less than 8 carbon atoms are preferred. Therefore, when alcohol resistance, detergent resistance, and oil resistance are required, it is preferable to use a combination of those having 8 or more carbon atoms and those having 7 or less carbon atoms as appropriate.
- the upper limit of the carbon number of the alkyl group of the alkyl acrylate or alkyl methacrylate having 8 or more carbon atoms is not particularly limited, but is preferably 20 or less. When it exceeds 20, the reactivity tends to decrease.
- 2-ethylhexyl acrylate is advantageous in terms of cost due to high polymerization reactivity, and is excellent in terms of the characteristics of the obtained molded product.
- the amount of the monomer (1) used needs to be 50 to 90% by weight, preferably 60 to 80% by weight, more preferably 100% by weight based on 100% by weight of the acrylic polymer. 70 to 75% by weight. If it is less than 50% by weight, the flexibility of the resulting molded product is insufficient, and if it exceeds 90% by weight, it becomes too soft and sticky, and the strength of the molded product decreases.
- a vinyl monomer having a glass transition temperature Tg of 80 ° C or higher when used as a homopolymer in the present invention (hereinafter sometimes simply referred to as "monomer (2)")
- the vinyl monomer photo The polymer has a Tg of 80 ° C or higher and does not have a force levoxino group.
- This bur monomer forms a hard segment of the acrylic polymer of the present invention.
- Specific examples thereof include acrylonitrile (Tg: 100 ° C), styrene (Tg: 100 ° C), methyl methacrylate HTg: 107 ° C). These may be used alone or in combination.
- acrylonitrile or a molded product obtained mainly from this is excellent in terms of alcohol resistance, oil resistance, cost, and the like. Since Tg is 80 ° C or higher, it is possible to prevent the acrylic polymer from becoming too soft, to prevent a decrease in strength, and to prevent unnecessary tackiness, that is, adhesiveness from being exhibited. it can. More preferably, those having a Tg of 85 to 120 ° C are used.
- the amount of the monomer (2) used needs to be 9 to 49% by weight, preferably 19 to 39% by weight, more preferably 100% by weight of the acrylic polymer. Is 23-28% by weight. If it is less than 9% by weight, the strength, alcohol resistance, detergent resistance, oil resistance, etc. of the resulting molded product will be insufficient, and if it exceeds 49% by weight, the feel of the molded product will be poor.
- the vinyl monomer having a carboxyl group used in the present invention (hereinafter sometimes simply referred to as “monomer (3)”) produces the acrylic polymer of the present invention by emulsion polymerization. In this case, it affects the stability of the polymerization system and also affects the crosslinking reaction together with the crosslinking monomer during polymerization. Specific examples include acrylic acid (Tg: 106 ° C), methacrylic acid (Tg: 130 ° C), itaconic acid, crotonic acid and the like.
- the amount used should be 0.2 to 10% by weight, preferably 0.5 to 5% by weight, more preferably 1 to 3% by weight, based on 100% by weight of the acrylic polymer. It is. If the content is less than 2% by weight, the stability of the acrylic polymer is lowered, and the strength of the resulting molded product is insufficient. If the content exceeds 10% by weight, the alcohol resistance of the molded product is reduced.
- the crosslinkable monomer having a molecular weight of 280 or more (hereinafter sometimes simply referred to as "monomer (4)") used in the present invention is a reactive group such as a bur group, an epoxy group, or a glycidyl group. This is a relatively high molecular weight reactive compound having two or more, for imparting rubber elasticity or alcohol resistance to the resulting acrylic polymer.
- Specific examples of this crosslinkable monomer include poly (tetramethylene ether) glycol diglycidyl ether (molecular weight of about 860), 3-alkoxy-2-hydroxypropylene having 12 and 13 carbon atoms. Examples thereof include a mixture of talylates (molecular weight of about 330), propylene glycol polybutylene glycol monoacrylate (molecular weight of about 562), and the like. These may be used alone or in combination.
- poly (tetramethylene ether) glycol diglycidyl ether can be obtained as, for example, a synthetic resin modifier PTMG-DEP manufactured by Yokkatsusei Co., Ltd., and has alkoxy groups having 12 and 13 carbon atoms.
- a mixture of 3-alkoxy-2-hydroxypropyl atylate having a hydrogen atom can be obtained, for example, as a synthetic resin modifier TD-EXA manufactured by Yokkatsusei Co., Ltd.
- Propylene glycol polybutylene glycol monoatarylate can be obtained, for example, as a synthetic resin modifier Blemmer 10APB-500B manufactured by NOF Corporation.
- the amount of the crosslinkable monomer that is, the monomer (4), needs to be 0.1 to 5% by weight, preferably 0 to 100% by weight of the acrylic polymer. 3 to 3% by weight, more preferably 0.5 to 2.5% by weight. If the content is less than 1% by weight, the strength of the resulting molded product is insufficient, and if it exceeds 5% by weight, the feel and texture of the molded product will be poor.
- the monomer (4) is a crosslinking monomer having a molecular weight of less than 280, for example, a low-molecular weight crosslinking monomer such as glycidyl methacrylate (GMA; molecular weight 148),
- GMA glycidyl methacrylate
- the feel, texture, or strength of the resulting molded article is deteriorated.
- the acrylic polymer of the present invention comprises 100 parts by weight of the monomers (1), (2), (3) and (4), and about 30 parts by weight of other monomers. Can be used up to. If the amount exceeds 30 parts by weight, the physical properties of the acrylic polymer may be adversely affected. Therefore, the range up to 30 parts by weight is more preferable, and the range up to 10 parts by weight is more preferable.
- Specific examples of such other monomers include butyl compounds such as vinyl acetate, acrylamide, and 2-hydroxyethyl acrylate. These may be used alone or in combination. These monomers contribute to the stability of the system, affect the crosslinking, and contribute to the strength of the molded product.
- the method for polymerizing the polymer contained in the acrylic polymer emulsion of the present invention is not particularly limited.
- a bulk polymerization method, a solution polymerization method, a suspension polymerization method, an emulsion polymerization method and the like can be employed.
- the emulsion polymerization method is advantageous.
- the polymerization system has the ability to adopt batch type, seed 'batch type, emulsion prop type, continuous type, etc. The balance of the performance of the acrylic polymer obtained and the molecular weight of the polymer are increased.
- the main monomers (1) and (2) constituting the soft segment and the hard segment are preferably polymerized in a batch manner.
- the acrylic polymer obtained by the bulk polymerization method, the solution polymerization method or the suspension polymerization method needs to be further in an aqueous emulsified state.
- a surfactant such as a ⁇ ⁇ -on ⁇ -on-on ⁇ can be used.
- Polymerization initiators include peroxides, azobisisobuty-tolyl, persulfates such as APS (ammonium persulfate) and KPS (potassium persulfate), and redox initiators. Can be used.
- the initiator is preferably used in an amount of about 0.05 to 2 parts by weight with respect to 100 parts by weight of the monomers (1) to (4) and the other monomers mentioned above.
- the polymerization initiator may be added in its entirety in the initial stage of polymerization, or may be added in portions during the polymerization reaction, or a part of it may be added at the end of the polymerization reaction.
- Adding in portions or adding a part of the additional amount at the end of the polymerization is effective for shortening the polymerization time and improving the polymerization conversion rate of the monomer.
- the whole amount may be added all at once or continuously, or a part thereof may be additionally added at the middle or final stage of polymerization.
- the polymerization temperature is usually about 40 to 85 ° C. By raising the polymerization temperature at the end of the polymerization, the polymerization time can be shortened or the polymerization conversion rate of the monomer can be improved.
- the obtained acrylic polymer is isolated, caked, or slurried, Disperse in an aqueous solution of surfactant and emulsify.
- the emulsion polymerization method is adopted as the polymerization method, the emulsion polymerization reaction solution can be used as it is in a dipping method for molding.
- the talinore polymer emenoresion obtained in this way can be added with additives such as sardine, pigments such as titanium oxide, fillers such as silica, thickeners and pH adjusters.
- a molded product of a glove can be obtained by immersing a hand mold in the acrylic polymer emulsion of the present invention, pulling it up, drying by heating, and then reversing and releasing the hand mold force. When heated, moisture first evaporates, followed by curing by crosslinking.
- the physical properties of the obtained molded product were evaluated according to the following methods.
- F is the tensile force at break (N) and A is the cross-sectional area (mm 2 ) of the specimen.
- the tensile force at 100% elongation was measured under the same conditions as the normal tensile strength, and was determined by the following formula.
- Modulus (MPa) F / A
- F is the tensile force (N) at 100% elongation.
- L (mm) is the distance between marked lines when the distance between marked lines increases and the specimen breaks. Obtained by the formula.
- a JIS No. 3 dumbbell was cut out in the same manner as described above, taken out after being immersed in 70% ethanol at 23 ⁇ 2 ° C for 5 minutes, and then the sample was lightly wiped.
- a sample with a width of 1 cm and a length of 10 cm was cut out from the molded film obtained by immersion molding, and marked with an interval of 80 mm. Then, at a temperature of 23 ⁇ 2 ° C, the sample was pulled in about 2 seconds so that the distance between marked lines was 80mm and 160mm, and then the tension was released to relax. After 10 seconds of relaxation, the marked line interval (mm) was measured, and the return residual rate was calculated by the following formula.
- the Tg of the acrylic copolymer was calculated using the Gordon-Tiller equation from the Tg at the time of homopolymerization of the monomer, excluding the crosslinkable monomer.
- A, B, C Amount of monomer used
- Kl, K2, K3 Tg during homopolymerization of A, B, C
- Film thickness Measured using a film thickness measuring device PK-1012 SU manufactured by Mitutoyo Corporation. [0051] Example 1
- poly (tetramethylene ether) glycol diglycidyl ether (a synthetic resin modifier PTMG-DEP manufactured by Yokkatsusei Co., Ltd.) was used in place of 10 g of TD-EXA.
- polymerization was carried out in the same manner as in Example 1.
- PTMG-DEPglOg As the monomer (4), PTMG-DEPglOg, TD-EXA5 g, and 10APB-500B5g were used in place of TD-EXAlOg.
- the amount of 2-EHA [monomer (1)] is 700 g. Changed to Other than that, polymerization was carried out in the same manner as in Example 1.
- Example 1 Instead of the monomers (1) to (4) and their charging amounts in Example 1, the following monomers and their charging amounts were used. Other than that, polymerization was carried out in the same manner as in Example 1.
- Example 1 Instead of the monomers (1) to (4) and their charging amounts in Example 1, the following monomers and their charging amounts were used. Other than that, polymerization was carried out in the same manner as in Example 1.
- Example 1 Instead of the monomers (1) to (4) and their charging amounts in Example 1, the following monomers and their charging amounts were used. Other than that, polymerization was carried out in the same manner as in Example 1.
- the polymerization conversion rates of the monomers of Examples 1 to 8 were all 95% or more.
- a ceramic hand mold is composed of 100 parts by weight of methanol, 25 parts by weight of calcium nitrate, 10 parts by weight of calcium carbonate, and wetting agent (Emargen 1135s-70 manufactured by Kao). After adding a coagulant for the adjustment emulsion, the hand mold was crushed in the adjustment emulsion. Then, the crushed hand mold is pulled up, dried at 75 ° C for 3 minutes and molded, leached with water or warm water for 1 minute, then dried at 75 ° C, and calo-thermal crosslinked at 140 ° C. Then, the molded body was inverted and released from the hand mold to obtain a glove. A sample of the flat part of the glove thus obtained was cut out and evaluated for physical properties. The results are shown in Table 1.
- Example 1 Instead of the monomers (1) to (4) and their charging amounts in Example 1, the following monomers and their charging amounts were used. Other than that, polymerization was carried out in the same manner as in Example 1.
- Example 1 Instead of the monomers (1) to (4) and their charging amounts in Example 1, the following monomers and their charging amounts were used. That is, glycidyl metatalylate (GMA, molecular weight 148) was used as a crosslinking agent. Other than that, polymerization was carried out in the same manner as in Example 1.
- GMA glycidyl metatalylate
- Example 1 Instead of the monomers (1) to (4) in Example 1 and their amounts, the following monomers and their The amount was included. That is, monomer (4) was not used. Other than that, polymerization was carried out in the same manner as in Example 1.
- Example 1 Instead of the monomers (1) to (4) and their charging amounts in Example 1, the following monomers and their charging amounts were used. That is, diethylene glycol dimetatalylate (PDE-100 manufactured by Nippon Oil & Fats Co., Ltd., molecular weight of about 260) was used as a crosslinking agent. Otherwise, polymerization was carried out in the same manner as in Example 1.
- diethylene glycol dimetatalylate PDE-100 manufactured by Nippon Oil & Fats Co., Ltd., molecular weight of about 260
- Example 1 71 26 2 1 -52 0.09 14.6 1.1 585 7.4 4.7 3.3 9 ⁇ Example 2 71 26 2 1 -52 0.14 14.8 2.5 509 6.5 5.7 4.0 14 ⁇ Example 3 71 26 2 1 -52 0.14 16.5 1.6 543 8.0 7.9 5.8 9.0 ⁇ Example 4 70.25 26 2 1.75 -50 0.14 18.1 1.6 54 F 7.4 6.6 6.4 13 ⁇ Example 5 70 26 2 1 0.5 0.5 -49 0.12 20.6 2.2 525 10.0 8.5 8.0 13 ⁇ Example 6 72 25 2 1 -53 0.1 3 17.5 1.4 541 7.6 5.8 6.7 8 ⁇ Example 7 71 25 2 1 0.5 0.5 -50 0.12 18.9 1.9 512 7.2 6.8 6.3 9 ⁇ Example 8 71.75 25 2 0.75 0.5 -52 0.13 19.1 1.4 589 7.6 7.3 6.5 8 ⁇ Comparative example 1 r
- PTMG-DEP Poly ( ⁇ tramethylene glycol) glycol diglycidyl ester
- GMA Glycidyl methacrylate
- the tensile strength is considered to be good when it is 14 MPa or more
- the modulus is good when it is 2.5 MPa or less
- the elongation is good when it is 500% or more.
- Alcohol resistance, detergent resistance, and oil resistance are considered to be good when the pressure is 6.5 MPa or more, respectively, and the return residual ratio is good when it is 10% or less.
- X The number of items that do not meet the above “good” criteria is 3 or more, and the force is also judged to be overall poor because the deviation from the criteria is large.
- Example 1 and Example 4 as monomer (4), TD-EXA ⁇ 3-alkoxy (C12 & C 13) -2-no, idoxypropyl acrylate ⁇ alone was used, Is a change. Increasing the amount added (Example 4) increases the tensile strength but the returnability (return residual ratio) slightly worsens, and decreasing the amount added (Example 1) improves the returnability but lowers the tensile strength slightly. It was.
- Example 2 shows the effect of using 10APB-500B (propylene glycol polybutylene glycol monotalylate) alone as the monomer (4), compared with the case of not using Comparative Example 4. The return was improved. Since the other physical properties are moderate, it is preferable to use in combination with other crosslinking monomers as described later (Example 5, Example 7). It was suitable.
- 10APB-500B propylene glycol polybutylene glycol monotalylate
- Example 3 shows the effect of adding PTMG-DEP poly (tetramethylene ether) glycol diglycidyl ether alone as the monomer (4). As a whole, a good balance effect was recognized, the returnability was excellent and the flexibility was excellent, and an excellent effect alone was recognized.
- Example 5 was a combination of TD-EXA, 10APB-500B and PTMG-DEP as the monomer (4), and when such improvement was observed.
- Example 6 compared to Example 3, AN (acrylonitrile) was reduced by 1% by weight. The effect almost the same as that of Example 3 was obtained. The returnability was further improved slightly.
- Example 7 The same applies to Example 7 and Example 8, and the force was a combination of two or three monomers (4). A flexible rubber-like polymer with a balanced overall force was obtained. It was accepted that In particular, Example 8 was the most excellent for the target value in terms of overall balance.
- Comparative Example 1 is a commercially available acrylic glove, in which a plasticizer is added to acrylic resin, and the glove was purchased and used for evaluation. The alcoholic nature was also bad!
- Comparative Example 2 relates to an emulsion in which an acrylate (Ptyl acrylate: BA) having 7 or less carbon atoms is used in place of the monomer (1). Therefore, the strength, alcohol resistance, and detergent resistance were lacking.
- an acrylate Ptyl acrylate: BA
- Comparative Example 5 is PDE-100 (diethylene glycol dimetatalylate) as a crosslinkable monomer. As in Comparative Example 3, the molecular weight of the crosslinkable monomer is less than 280.Therefore, although it has an effect on elongation and return, it is effective in strength, alcohol resistance, detergent resistance, and oil resistance. The sex was extremely inferior.
- Example 1 Instead of the monomers (1) to (4) and their charging amounts in Example 1, the following monomers and their charging amounts were used. Other than that, polymerization was carried out in the same manner as in Example 1.
- Example 1 Instead of the monomers (1) to (4) and their charging amounts in Example 1, the following monomers and their charging amounts were used. Other than that, polymerization was carried out in the same manner as in Example 1.
- Example 1 Instead of the monomers (1) to (4) and their charging amounts in Example 1, the following monomers and their charging amounts were used. Other than that, polymerization was carried out in the same manner as in Example 1.
- Example 1 Instead of the monomers (1) to (4) and their charging amounts in Example 1, the following monomers and their charging amounts were used. Other than that, polymerization was carried out in the same manner as in Example 1.
- Example 1 Instead of the monomers (1) to (4) and their charging amounts in Example 1, the following monomers and their charging amounts were used. Other than that, polymerization was carried out in the same manner as in Example 1.
- Example 1 Instead of the monomers (1) to (4) and their charging amounts in Example 1, the following monomers and their charging amounts were used. Other than that, polymerization was carried out in the same manner as in Example 1.
- Example (1) 0) (2) (3) (4) (4) (mm) Normal tensile strength Alcohol resistance Detergent resistance Oil resistance Return residue
- Example 9 66.75 0 30 2 0.75 0.5 38.7 38.7 5.6 413 8.2 15.9 26.4 18 ⁇
- Example 10 67.75 0 29 2 0.75 0.5 -18 0.14 24.4 2.1 436 2.4 7.9 8.0 5 0
- Example 11 15 52.75 28 2 1.5 0.75 -40 0.16 17.2 2.0 503 8 8.5 6.9 9 ⁇
- Example 12 71.75 0 25 2 0.75 0.5-23 0.13 26.6 1.4 465 2.1 8.3 7.1 2 ⁇
- Example 13 30 41.75 25 2 0.75 0.5 -41 0.145 24.7 1.4 548 2.9 7.4 9.2 4 ⁇
- Example 14 0 70.75 25 2 1.5 0.75 -50 0.15 22.2 2.4 577 7.6 7.8 6.5 7 ⁇
- PTMG-DEP Poly ( ⁇ methylene ether) glycol diglycidyl ether
- TD-EXA 3-Alkoxy-2-hydroxypropyl acrylate
- an alkyl acrylate having an alkyl group having 7 or less carbon atoms is used alone, or an alkyl acrylate having an alkyl group having 7 or less carbon atoms and a carbon number of 8 or more.
- the detergent resistance and oil resistance are improved, and the returnability is remarkably improved.
- the acrylic polymer emulsion of the present invention has improved detergent resistance and oil resistance by introducing a crosslinkable monomer having a relatively large molecular weight into the alkyl acrylate monomer. Furthermore, the alcohol resistance is remarkably improved by introducing the crosslinkable monomer into a long-chain alkyl acrylate monomer.
- the use of the above-mentioned cross-linkable monomer that is flexible and flexible has improved the balance of practical properties, and is not like paper-like grease but also has rubber-like flexibility and return properties after tension.
- an acrylic glove that can be used practically, an acrylic emulsion raw material for molding the glove, and a glove molded using the acrylic glove.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Gloves (AREA)
- Epoxy Resins (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/560,619 US7345111B2 (en) | 2004-09-06 | 2005-09-02 | Acrylic polymer emulsion and glove formed from the same |
JP2006535717A JPWO2006028008A1 (ja) | 2004-09-06 | 2005-09-02 | アクリル系重合体エマルジョン及びそれからなる手袋 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004257801 | 2004-09-06 | ||
JP2004-257801 | 2004-09-06 |
Publications (1)
Publication Number | Publication Date |
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WO2006028008A1 true WO2006028008A1 (ja) | 2006-03-16 |
Family
ID=36036293
Family Applications (1)
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PCT/JP2005/016096 WO2006028008A1 (ja) | 2004-09-06 | 2005-09-02 | アクリル系重合体エマルジョン及びそれからなる手袋 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7345111B2 (ja) |
JP (1) | JPWO2006028008A1 (ja) |
TW (1) | TW200626622A (ja) |
WO (1) | WO2006028008A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010144163A (ja) * | 2008-12-16 | 2010-07-01 | Lg Chem Ltd | カルボン酸変性ニトリル系共重合体ラテックス、これを含むディップ成形用ラテックス組成物 |
JP2011012216A (ja) * | 2009-07-03 | 2011-01-20 | Toagosei Co Ltd | エマルション組成物 |
CN109439124A (zh) * | 2018-10-04 | 2019-03-08 | 湖北嘉德普安涂料股份有限公司 | 木器漆用水性哑光自交联丙烯酸乳液及其合成方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101126583B1 (ko) * | 2008-09-26 | 2012-03-29 | 주식회사 엘지화학 | 황 및 가황 촉진제를 포함하지 않는 고무장갑용 라텍스 수지 조성물 및 그 조성물을 이용한 딥 성형물 제조방법 |
CN104193924A (zh) * | 2014-08-13 | 2014-12-10 | 佛山市顺德区巴德富实业有限公司 | 一种具有良好抗湿擦掉粉性能的醋丙乳液及其制备方法 |
KR101720840B1 (ko) | 2014-09-25 | 2017-03-28 | 주식회사 엘지화학 | 카르본산 변성 니트릴계 공중합체 라텍스 조성물 및 이를 포함하는 딥 성형용 조성물 |
KR101795842B1 (ko) | 2014-10-20 | 2017-11-08 | 주식회사 엘지화학 | 카르본산 변성 니트릴계 공중합체 라텍스를 포함하는 딥 성형용 라텍스 조성물 및 이로부터 제조된 딥 성형품 |
US10982075B2 (en) | 2016-06-01 | 2021-04-20 | Synthomer Sdn. Bhd. | Polymer latex for dip-molding applications |
TWI609640B (zh) * | 2016-07-12 | 2018-01-01 | 帝藝國際貿易股份有限公司 | 用於製備手套之組合物及利用其製備手套之方法 |
TW202214767A (zh) | 2020-07-07 | 2022-04-16 | 馬來西亞商昕特瑪私人有限公司 | 聚合物乳膠 |
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- 2005-09-02 US US10/560,619 patent/US7345111B2/en not_active Expired - Fee Related
- 2005-09-02 WO PCT/JP2005/016096 patent/WO2006028008A1/ja active Application Filing
- 2005-09-05 TW TW094130368A patent/TW200626622A/zh unknown
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2010144163A (ja) * | 2008-12-16 | 2010-07-01 | Lg Chem Ltd | カルボン酸変性ニトリル系共重合体ラテックス、これを含むディップ成形用ラテックス組成物 |
JP2011012216A (ja) * | 2009-07-03 | 2011-01-20 | Toagosei Co Ltd | エマルション組成物 |
CN109439124A (zh) * | 2018-10-04 | 2019-03-08 | 湖北嘉德普安涂料股份有限公司 | 木器漆用水性哑光自交联丙烯酸乳液及其合成方法 |
CN109439124B (zh) * | 2018-10-04 | 2020-08-25 | 湖北嘉德普安涂料股份有限公司 | 木器漆用水性哑光自交联丙烯酸乳液及其合成方法 |
Also Published As
Publication number | Publication date |
---|---|
US20070100063A1 (en) | 2007-05-03 |
TW200626622A (en) | 2006-08-01 |
US7345111B2 (en) | 2008-03-18 |
JPWO2006028008A1 (ja) | 2008-05-08 |
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