WO2020130330A1 - 카르본산 변성 니트릴계 공중합체 라텍스 조성물, 이를 포함하는 딥 성형용 라텍스 조성물 및 이로부터 성형된 성형품 - Google Patents
카르본산 변성 니트릴계 공중합체 라텍스 조성물, 이를 포함하는 딥 성형용 라텍스 조성물 및 이로부터 성형된 성형품 Download PDFInfo
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- WO2020130330A1 WO2020130330A1 PCT/KR2019/014719 KR2019014719W WO2020130330A1 WO 2020130330 A1 WO2020130330 A1 WO 2020130330A1 KR 2019014719 W KR2019014719 W KR 2019014719W WO 2020130330 A1 WO2020130330 A1 WO 2020130330A1
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- latex composition
- carboxylic acid
- modified nitrile
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- based copolymer
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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
- C08L13/00—Compositions of rubbers containing carboxyl groups
- C08L13/02—Latex
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/14—Dipping a core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
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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
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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
- C08F220/42—Nitriles
- C08F220/44—Acrylonitrile
- C08F220/46—Acrylonitrile with carboxylic acids, sulfonic acids or salts thereof
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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
- C08F228/00—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 a bond to sulfur or by a heterocyclic ring containing sulfur
- C08F228/02—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 a bond to sulfur or by a heterocyclic ring containing sulfur by a bond to sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/02—Direct processing of dispersions, e.g. latex, to articles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/011—Crosslinking or vulcanising agents, e.g. accelerators
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/06—Sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0025—Crosslinking or vulcanising agents; including accelerators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2019/00—Use of rubber not provided for in a single one of main groups B29K2007/00 - B29K2011/00, as moulding material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2033/00—Use of polymers of unsaturated acids or derivatives thereof as moulding material
- B29K2033/18—Polymers of nitriles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4842—Outerwear
- B29L2031/4864—Gloves
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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
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
- C08F220/283—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing one or more carboxylic moiety in the chain, e.g. acetoacetoxyethyl(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
- C08F220/42—Nitriles
- C08F220/44—Acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2313/00—Characterised by the use of rubbers containing carboxyl groups
- C08J2313/02—Latex
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/39—Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
Definitions
- the present invention relates to a carboxylic acid-modified nitrile-based copolymer latex composition, and more particularly, to a carboxylic acid-modified nitrile-based latex composition, a latex composition for dip molding including the same, and a molded article molded therefrom.
- natural rubber has been mainly used as a raw material for products requiring elasticity such as gloves for industrial use, medical use, and food, and balloons and condoms.
- natural rubber is being replaced with nitrile rubber instead of natural rubber due to side effects that cause serious protein allergy to some users.
- Nitrile-based rubber has a high oil resistance, and is especially used in work gloves used by users dealing with organic solvents, or in medical and food gloves.
- products made from nitrile-based rubber have characteristics that are not easily pierced by injection needles, etc., compared to products made from natural rubbers, and thus are suitable for use by medical personnel handling sharp scalpels or injection needles.
- syneresis which is one of the physical properties expressed by workability, is a phenomenon in which water comes out as agglomeration of particles in latex occurs.
- the film forming speed is increased during the manufacture of gloves, the speed of such syneresis becomes faster. do. If the speed of the syneresis is too fast, the latex stability of the latex composition for dip molding is lowered, and aggregates are generated, which is a cause of defective gloves.
- the workability is poor, the shape of the latex flows in the gloves (Flow mark) or aggregates adhere to it, and the appearance of the gloves becomes poor.
- the problem to be solved in the present invention is to improve the tensile strength of the dip molded product manufactured by dip molding, and to improve the fit by lowering the modulus by 300%, in order to solve the problems mentioned in the technology underlying the invention. It is to improve workability at the same time.
- the present invention was devised to solve the problems of the prior art, and using a latex composition for dip molding, while manufacturing a dip molded article such as a glove, while improving workability, 300% modulus is low and wearing gloves Excellent properties and high tensile strength, even for gloves having a thin thickness, a carboxylic acid-modified nitrile-based copolymer latex composition for producing a dip molded article that is not easily torn, a dip molded latex composition comprising the same, and a dip molded article formed therefrom It aims to provide.
- the present invention is a carboxylic acid-modified nitrile-based copolymer latex composition
- a carboxylic acid-modified nitrile-based copolymer wherein the carboxylic acid-modified nitrile-based copolymer is A carboxylic acid-modified nitrile-based copolymer latex composition comprising a repeating unit derived from a carboxy alkyl (meth)acrylate monomer, and a repeating unit derived from an ethylenically unsaturated sulfonic acid monomer containing a sulfonic acid salt or a sulfonic acid ester.
- the present invention provides a latex composition for dip molding comprising the carboxylic acid-modified nitrile-based copolymer composition and a crosslinking agent composition.
- the present invention provides a molded article comprising the layer derived from the latex composition for dip molding.
- the latex composition for dip molding including the carboxylic acid-modified nitrile-based copolymer latex composition according to the present invention improves the bonding strength with zinc oxide, using the dip-molded latex composition, to prepare a dip-molded product such as gloves , It improves the tensile strength of the manufactured dip molded product, lowers the modulus by 300%, improves the fit, and at the same time, improves workability.
- the term'derived repeating unit' may refer to a component, structure, or the substance itself originating from a certain material.
- 'derived repeating unit' is a polymer that is polymerized, and the monomer to be introduced participates in the polymerization reaction. Therefore, it may mean a repeating unit formed in the polymer.
- the term'latex' may mean that a polymer or copolymer polymerized by polymerization exists in a dispersed form in water, and specifically, fine particles of a polymer on rubber or a copolymer on rubber polymerized by emulsion polymerization. It may mean that the colloidal state exists in a dispersed form in water.
- the term'derived layer' may refer to a layer formed from a polymer or copolymer, and in a specific example, when manufacturing a dip molded product, the polymer or copolymer is attached, fixed, and/or polymerized on a dip molding frame to form a polymer or It may mean a layer formed from a copolymer.
- crosslinking unit derived from a crosslinking agent' may refer to a component, a structure, or a substance itself derived from a compound, and a crosslinking agent composition functions and reacts to perform crosslinking in a polymer or in a polymer formed by reaction. It may mean a cross-linking part (cross linking part).
- the carboxylic acid-modified nitrile-based copolymer latex composition according to the present invention may include a carboxylic acid-modified nitrile-based copolymer.
- the carboxylic acid-modified nitrile-based copolymer may include a repeating unit derived from a carboxy alkyl (meth)acrylate monomer, and a repeating unit derived from an ethylenically unsaturated sulfonic acid monomer containing sulfonic acid salt or sulfonic acid ester.
- the repeating unit derived from the carboxy alkyl (meth)acrylate monomer and the repeating unit derived from the ethylenically unsaturated acid sulfonic acid monomer are from monomers or monomers forming a carboxylic acid-modified nitrile copolymer. Together with the derived repeating units, it may be to form a carboxylic acid-modified nitrile-based copolymer, and a repeating unit derived from a carboxyalkyl (meth)acrylate monomer and an ethylenically unsaturated acid sulfonic acid monomer in the carboxylic acid-modified nitrile-based copolymer.
- the tensile properties such as tensile strength of a molded article prepared from a latex composition for dip molding including a carboxylic acid-modified nitrile-based copolymer containing a carboxylic acid-modified nitrile-based copolymer are improved, and 300 % Lowering modulus improves fit and at the same time has the effect of improving workability.
- the carboxy alkyl (meth)acrylate monomer forming a repeating unit derived from the carboxy alkyl (meth)acrylate monomer is carboxy ethyl (meth)acrylate, carboxy propyl (meth)acrylate, carboxy It may be one or more selected from the group consisting of propyl (meth)acrylate and carboxy pentyl (meth)acrylate, and specifically, it may be carboxy ethyl (meth)acrylate.
- the content of the repeating unit derived from the carboxy alkyl (meth)acrylate monomer is 0.1% to 10% by weight, 1% to 8% by weight, or 2% to 6% by weight based on the total content of the carboxylic acid-modified nitrile-based copolymer. It may be a weight%, there is an effect that the workability is improved within this range.
- the ethylenically unsaturated sulfonic acid monomer forming a repeating unit derived from an ethylenically unsaturated sulfonic acid monomer containing the sulfonic acid salt or sulfonic acid ester is sodium vinyl sulfonate, sodium (meth)allyl sulfonate, 2 -Methyl-2-propene-1-sulfonic acid sodium salt, 2-acrylamido-2-methylpropane sulfonic acid sodium salt, 3-sulfopropyl (meth)acrylate, sodium ⁇ -methylstyrenesulfonate, sodium ethyl styrene sulfo It may be at least one selected from the group consisting of nate and sodium 1-allyloxy-2-hydroxypropyl sulfonate, and specifically, sodium 1-allyloxy-2-hydroxypropyl sulfonate.
- the content of the repeating unit derived from the ethylenically unsaturated sulfonic acid monomer may be 0.1% to 10% by weight, 1% to 7% by weight, or 2% to 5% by weight relative to the total content of the carboxylic acid-modified nitrile-based copolymer. There is an effect that workability is improved within this range.
- the carboxylic acid-modified nitrile-based copolymer in the latex composition of the carboxylic acid-modified nitrile-based copolymer according to the present invention comprises a repeating unit derived from a carboxy alkyl (meth)acrylate monomer and a repeating unit derived from an ethylenically unsaturated sulfonic acid monomer, While serving to allow the presence of carboxylic acids on the surface of the particles of the copolymer, it is possible to increase the binding with zinc oxide by imparting polymerization stability.
- the repeating unit and carboxy alkyl (meth)acrylate monomer derived from the ethylenically unsaturated sulfonic acid monomer contained in the carboxylic acid-modified nitrile-based copolymer in the carboxylic acid-modified nitrile-based copolymer latex composition according to the present invention The derived repeating unit may be included in a weight ratio of 1:1 to 5, 1:1 to 4.5, or 1:1 to 3, and within this range, the repeating unit derived from the ethylenically unsaturated sulfonic acid monomer and carboxy alkyl (meth)acrylate
- the monomers for forming the monomer-derived repeating unit bind to the carboxylic acid-modified nitrile-based copolymer particles to control the distribution of carboxylic acids and improve polymerization stability.
- the monomers for forming the repeating unit derived from the ethylenically unsaturated sulfonic acid monomer and the repeating unit derived from the carboxy alkyl (meth)acrylate monomer are hydrophilic monomers and work by increasing the properties of the carboxylic acid-modified nitrile-based copolymer particles swelling in water. It has the effect of improving sex.
- the carboxylic acid-modified nitrile-based copolymer a repeating unit derived from a carboxy alkyl (meth)acrylate monomer and a repeating unit derived from an ethylenically unsaturated sulfonic acid monomer, a repeating unit derived from a conjugated diene-based monomer, It may include a repeating unit derived from an ethylenically unsaturated nitrile monomer and a repeating unit derived from an ethylenically unsaturated acid monomer.
- the carboxylic acid-modified nitrile-based copolymer includes a repeating unit derived from a conjugated diene-based monomer, a repeating unit derived from an ethylenically unsaturated nitrile-based monomer, a repeating unit derived from an ethylenically unsaturated acid monomer, and carboxy alkyl ( Meta) may include a repeating unit derived from an acrylate monomer and a repeating unit derived from an ethylenically unsaturated sulfonic acid monomer.
- the carboxylic acid-modified nitrile-based copolymer is derived from a conjugated diene-based monomer 40% to 80% by weight, an ethylenically unsaturated nitrile-based monomer derived from a repeating unit 10% to 50% by weight, an ethylenically unsaturated acid monomer derived
- the repeating units may include 0.1 wt% to 10 wt% of repeating units, 0.1 wt% to 10 wt% of repeating units derived from carboxy alkyl (meth)acrylate monomers, and 0.1 wt% to 10 wt% of repeating units derived from ethylenically unsaturated sulfonic acid monomers. .
- the conjugated diene-based monomer forming a repeating unit derived from the conjugated diene-based monomer is 1,3-butadiene, 2,3-dimethyl-1,3-butadiene, 2-ethyl-1,3 -Butadiene, 1,3-pentadiene and isoprene may be one or more selected from the group consisting of, specific examples, 1,3-butadiene or isoprene, and more specifically, 1,3-butadiene.
- the content of the repeating unit derived from the conjugated diene-based monomer may be 40% by weight to 80% by weight, 45% by weight to 80% by weight, or 45% by weight to 70% by weight relative to the total content of the carboxylic acid-modified nitrile-based copolymer, within this range, the dip molded article formed from the latex composition for dip molding containing the carboxylic acid-modified nitrile-based copolymer latex composition containing the carboxylic acid-modified nitrile-based copolymer is flexible, has excellent fit, and has oil resistance and tensile strength. It has an excellent strength effect.
- the ethylenically unsaturated nitrile monomer forming a repeating unit derived from the ethylenically unsaturated nitrile monomer is acrylonitrile, methacrylonitrile, fumaronitrile, ⁇ -chloronitrile and ⁇ -It may be at least one selected from the group consisting of cyano ethyl acrylonitrile, and may be, for example, acrylonitrile and methacrylonitrile, and more specifically, acrylonitrile.
- the content of the repeating unit derived from the ethylenically unsaturated nitrile-based monomer may be 10 wt% to 50 wt%, 15 wt% to 50 wt%, or 15 wt% to 45 wt% based on the total content of the carboxylic acid-modified nitrile-based copolymer.
- a dip molded article formed from a latex composition for dip molding containing a carboxylic acid-modified nitrile-based copolymer latex composition containing the carboxylic acid-modified nitrile-based copolymer is flexible, has excellent fit, and has oil resistance. And excellent tensile strength.
- the ethylenically unsaturated acid monomer forming a repeating unit derived from the ethylenically unsaturated acid monomer may be an ethylenically unsaturated monomer containing an acidic group such as a carboxyl group, sulfonic acid group, or acid anhydride group, Specific examples include ethylenically unsaturated carboxylic acid monomers such as acrylic acid, methacrylic acid, itaconic acid, maleic acid, and fumaric acid; Polycarboxylic acid anhydrides such as maleic anhydride and citraconic anhydride; Ethylenically unsaturated sulfonic acid monomers such as styrene sulfonic acid; It may be at least one member selected from the group consisting of ethylenically unsaturated polycarboxylic acid partial ester monomers such as monobutyl fumarate, monobutyl maleate, and mono-2-hydroxy propy
- the ethylenically unsaturated acid monomer may be used in the form of a salt such as an alkali metal salt or an ammonium salt during polymerization.
- the content of the repeating unit derived from the ethylenically unsaturated acid monomer is 0.1% to 10% by weight, 0.5% to 9% by weight, or 2% to 8% by weight relative to the total content of the carboxylic acid-modified nitrile-based copolymer.
- Dip molded article formed from a latex composition for dip molding comprising a carboxylic acid-modified nitrile-based copolymer latex composition containing the carboxylic acid-modified nitrile-based copolymer within this range is flexible, and at the same time excellent in wearing comfort, It has an excellent effect on tensile strength.
- the present invention provides a method for preparing a carboxylic acid-modified nitrile-based copolymer latex composition for preparing the carboxylic acid-modified nitrile-based copolymer latex composition.
- the method for preparing the carboxylic acid-modified nitrile-based copolymer latex composition is 40 to 80% by weight of a conjugated diene-based monomer and 10% by weight of an ethylenically unsaturated nitrile-based monomer based on the total content of the monomer mixture.
- a carboxylic acid-modified nitrile-based copolymer latex composition comprising a carboxylic acid-modified nitrile-based copolymer, including the step of polymerizing the mixture.
- the polymerization may be carried out by emulsion polymerization.
- the polymerization may be carried out by polymerization of the monomer mixture, and each monomer included in the monomer mixture may be introduced in the type and content of the aforementioned monomers, and may be introduced in batches or continuously.
- the polymerization may be carried out in the presence of an emulsifier, polymerization initiator and molecular weight modifier.
- the emulsifier may be, for example, one or more selected from the group consisting of anionic surfactants, nonionic surfactants, cationic surfactants and amphoteric surfactants, and specific examples include alkylbenzenesulfonic acid It may be one or more anionic surfactants selected from the group consisting of salts, aliphatic sulfonates, higher alcohol sulfate ester salts, ⁇ -olefin sulfonate salts and alkyl ether sulfate ester salts.
- the emulsifier may be added in an amount of 0.3 parts by weight to 10 parts by weight, 0.8 parts by weight to 8 parts by weight, or 1.5 parts by weight to 6 parts by weight based on 100 parts by weight of the total amount of the monomer mixture, and polymerization stability is within this range. It has an excellent effect in that it is easy to manufacture a molded article due to excellent foam generation.
- the polymerization initiator may be, for example, a radical initiator, inorganic peroxides such as sodium persulfate, potassium peroxide, ammonium persulfate, potassium perphosphate and hydrogen peroxide; t-butyl peroxide, cumene hydro peroxide, p-mentanhydro peroxide, di-t-butyl peroxide, t-butylcumyl peroxide, acetyl peroxide, isobutyl peroxide, octanoyl peroxide, dibenzoyl peroxide Organic peroxides such as oxide, 3,5,5-trimethylhexanol peroxide and t-butyl peroxy isobutylate; It may be at least one selected from the group consisting of nitrogen compounds such as azobis isobutyronitrile, azobis-2,4-dimethylvalero nitrile, azo
- the polymerization initiator may be added in an amount of 0.01 parts by weight to 2 parts by weight, or 0.02 parts by weight to 1.5 parts by weight with respect to 100 parts by weight of the total amount of the monomer mixture, and an effect of maintaining the polymerization rate at an appropriate level within this range There is.
- the molecular weight modifier is, for example, ⁇ -methylstyrene dimer; mercaptans such as t-dodecyl mercaptan, n-dodecyl mercaptan and octyl mercaptan; Halogenated hydrocarbons such as carbon tetrachloride, methylene chloride and methylene bromide; It may be at least one selected from the group consisting of sulfur-containing compounds such as tetraethyl thiuram disulfide, dipentamethylene thiuram disulfide, and diisopropylxanthogen disulfide, and may be t-dodecyl mercaptan as a specific example.
- the molecular weight modifier may be added in an amount of 0.1 parts by weight to 2.0 parts by weight, 0.2 parts by weight to 1.5 parts by weight, or 0.3 parts by weight to 1.0 parts by weight based on 100 parts by weight of the total amount of the monomer mixture, and polymerization stability within this range. This is excellent, and when producing a molded article after polymerization, there is an effect of excellent physical properties of the molded article.
- the polymerization may be carried out by including an activator, and the activator is, for example, sodium formaldehyde, sulfoxylate, sodium ethylenediamine tetraacetate, ferrous sulfate, dex It may be one or more selected from the group consisting of troth, sodium pyrrolate, and sodium sulfite.
- the activator may be added in an amount of 0.001 parts by weight to 5 parts by weight based on 100 parts by weight of the total amount of the monomer mixture.
- the polymerization may be carried out in water, specifically, deionized water, as a medium, and to secure polymerization ease, a chelating agent, a dispersing agent, a pH adjusting agent, a deoxidizing agent, and a particle size adjusting agent as needed , Anti-aging agents and oxygen scavengers.
- the emulsifier, polymerization initiator, molecular weight modifier, additives, etc. may be introduced into the polymerization reactor in a batch or divided manner, such as the monomer mixture, or may be continuously introduced at each input.
- the polymerization may be carried out at a polymerization temperature of 10 °C to 90 °C, 20 °C to 80 °C, or 25 °C to 75 °C, and within this range, the latex stability is excellent. have.
- the method for preparing a carboxylic acid-modified nitrile-based copolymer latex may include the step of obtaining a carboxylic acid-modified nitrile-based copolymer latex composition by terminating a polymerization reaction.
- the polymerization reaction may be terminated at a time when the polymerization conversion rate is 90% or more, or 95% or more.
- the method for preparing a carboxylic acid-modified nitrile-based copolymer latex may further include a step of removing unreacted monomers by a deodorization process after the polymerization reaction is completed.
- a latex composition for dip molding including the carboxylic acid-modified nitrile-based copolymer latex is provided.
- the latex composition for dip molding may include the carboxylic acid-modified nitrile copolymer and a crosslinking agent composition.
- the crosslinking agent composition may be for forming a crosslinking agent-derived crosslinking part through a crosslinking reaction with respect to a carboxylic acid-modified nitrile-based copolymer.
- the crosslinking agent composition may include a vulcanizing agent and a vulcanization accelerator, and more specifically, may include a vulcanizing agent, a vulcanization accelerator, and zinc oxide.
- the vulcanizing agent is for vulcanizing the latex composition for dip molding, and may be sulfur, and specifically, sulfur such as powdered sulfur, precipitated sulfur, colloidal sulfur, surface-treated sulfur and insoluble sulfur, etc.
- Can be The content of the vulcanizing agent may be 0.1 parts by weight to 10 parts by weight, or 1 part by weight to 5 parts by weight based on 100 parts by weight (based on solid content) of the carboxylic acid-modified nitrile copolymer in the latex composition for dip molding. , Within this range, there is an excellent effect of crosslinking ability by vulcanization.
- the vulcanization accelerator is 2-mercaptobenzothiazole (MBT, 2-mercaptobenzothiazole), 2,2-dithiobisbenzothiazole-2-sulfenamide (MBTS, 2,2 -dithiobisbenzothiazole-2-sulfenamide), N-cyclohexylbenzothiasole-2-sulfenamide (CBS), 2-morpholinothiobenzothiazole (MBS), tetra Tetramethylthiuram monosulfide (TMTM), tetramethylthiuram disulfide (TMTD), zinc diethyldithiocarbamate (ZDEC), di-n-butyldithiocarbamate zinc (ZDBC, zinc di-n-butyldithiocarbamate), diphenylguanidine (DPG), and di-o-tolylguanidine (di-o-tolylguanidine).
- MBT 2-mercaptobenzothiazole
- the content of the vulcanization accelerator may be 0.1 parts by weight to 10 parts by weight, or 0.5 parts by weight to 5 parts by weight based on 100 parts by weight (based on solid content) of the carboxylic acid-modified nitrile copolymer in the latex composition for dip molding. , Within this range, there is an excellent effect of crosslinking ability by vulcanization.
- the zinc oxide is ion-bonded to the carboxyl group of the carboxylic acid-modified nitrile-based copolymer in the latex composition for dip molding, etc., in the carboxylic acid-modified nitrile-based copolymer, or carboxylic acid It may be a crosslinking agent for forming a crosslinking part through ion bonding between the modified nitrile-based copolymer.
- the content of zinc oxide may be 0.1 parts by weight to 5 parts by weight, or 0.5 parts by weight to 4 parts by weight based on 100 parts by weight (based on solid content) of the carboxylic acid-modified nitrile copolymer in the latex composition for dip molding, , Excellent crosslinking capacity within this range, excellent latex stability, and excellent tensile strength and flexibility of the manufactured dip molded product.
- the latex composition for dip molding has, for example, a solid content (concentration) of 5% to 40% by weight, 8% to 35% by weight, or 10% to 30% by weight It may be, and within this range, the efficiency of transporting latex is excellent, and an increase in latex viscosity is prevented, and thus, storage stability is excellent.
- the latex composition for dip molding may have a pH of 9 to 12, 9 to 11.5, or 9.5 to 11, and within this range, there is an effect of excellent processability and productivity when manufacturing a dip molded product.
- the pH of the latex composition for dip molding may be adjusted by the introduction of the pH adjusting agent described above.
- the pH adjusting agent may be, for example, 1% to 5% by weight of potassium hydroxide aqueous solution, or 1% to 5% by weight of ammonia water.
- the dip molding latex composition may further include additives such as a pigment such as titanium dioxide, a filler such as silica, a thickener, and a pH adjusting agent, if necessary.
- additives such as a pigment such as titanium dioxide, a filler such as silica, a thickener, and a pH adjusting agent, if necessary.
- a molded article comprising the layer derived from the latex composition for dip molding.
- the molded article may be a dip molded article prepared by dipping the latex composition for dip molding, or may be a molded article comprising a layer derived from a latex composition for dip molding formed from a latex composition for dip molding by dip molding.
- the molded article manufacturing method for molding the molded article may include immersing the dip molding latex composition by a direct immersion method, an anode adhesion immersion method, a teag adhesion immersion method, etc. It can be carried out by the adhesion immersion method, in which case there is an advantage that can obtain a dip molded article of a uniform thickness.
- the method for manufacturing the molded product may include attaching a coagulant to the dip molding mold (S100); Dipping the dip molding frame to which the coagulant is attached to the latex composition for dip molding to form a layer derived from the latex composition for dip molding, that is, a dip molding layer (S200); And heating the dip molding layer to crosslink the latex composition for dip molding (S300).
- the (S100) step is a step of attaching a coagulant to the surface of a dip molding frame by dipping the dip molding frame in a coagulant solution to form a coagulant in the dip molding frame, wherein the coagulant solution is a coagulant Is a solution dissolved in water, alcohol or a mixture thereof, the content of the coagulant in the coagulant solution is 5% to 75% by weight, 10% to 65% by weight, or 15% to 55% by weight relative to the total content of the coagulant solution. %.
- the coagulant is, for example, a metal halide such as barium chloride, calcium chloride, magnesium chloride, zinc chloride and aluminum chloride; Nitrates such as barium nitrate, calcium nitrate and zinc nitrate; Acetates such as barium acetate, calcium acetate and zinc acetate; And it may be at least one selected from the group consisting of sulfates such as calcium sulfate, magnesium sulfate and aluminum sulfate, and specifically, it may be calcium chloride or calcium nitrate.
- a metal halide such as barium chloride, calcium chloride, magnesium chloride, zinc chloride and aluminum chloride
- Nitrates such as barium nitrate, calcium nitrate and zinc nitrate
- Acetates such as barium acetate, calcium acetate and zinc acetate
- sulfates such as calcium sulfate, magnesium sulfate and aluminum sulfate, and specifically, it
- step (S100) in order to attach a coagulant to the dip molding mold, dipping the dip molding mold in a coagulant solution for at least 1 minute, taking it out and drying it at 70°C to 150°C It may further include.
- the (S200) step is dipping the dip molding frame to which the coagulant is attached in order to form a dip molding layer in the latex composition for dip molding according to the present invention, and taking it out and dip molding it into the dip molding frame It may be a step of forming a layer.
- the step (S200) may be performed for immersion for 1 minute or more during the immersion in order to form a dip molding layer on a dip molding frame.
- the (S300) step evaporates the liquid component by heating the dip molding layer formed on the dip molding frame to obtain a dip molded product, and crosslinking the latex composition for dip molding to undergo curing It may be a step.
- crosslinking by vulcanization and/or ion bonding of the crosslinking agent composition contained in the latex composition for dip molding may be performed.
- the heating is performed by primary heating at 70°C to 150°C for 1 minute to 10 minutes, and then secondary heating at 100°C to 180°C for 5 minutes to 30 minutes. Can.
- the molded article may be a glove, a condom, a catheter, or a health care product such as surgical gloves, examination gloves, industrial gloves, and household gloves.
- polymerization was performed by adding 0.3 parts by weight of potassium persulfate as a polymerization initiator, and when polymerization conversion ratio reached 95%, polymerization was stopped by adding 0.1 parts by weight of sodium dimethyl dithio carbamate. Thereafter, the unreacted monomer was removed through a deodorization process, and ammonia water, an antioxidant, and an antifoaming agent were added to obtain a carboxylic acid-modified nitrile copolymer latex composition having a solid content concentration of 45% by weight and a pH of 8.5.
- a coagulant solution was prepared by mixing 13% by weight of calcium nitrate, 86.5% by weight of water, and 0.5% by weight of wetting agent (manufactured by Huntsman Corporation, Australia, product name Teric 320), and the hand-shaped ceramic mold was placed in this solution for 1 minute. After soaking, taking out and drying at 80° C. for 3 minutes, a coagulant was applied to a hand-shaped mold.
- the hand-shaped mold coated with the coagulant was dipped in the obtained latex composition for dip molding for 1 minute, then taken out, dried at 80° C. for 1 minute, and immersed in water for 3 minutes. Again, the mold was dried at 80°C for 3 minutes and then crosslinked at 125°C for 20 minutes. Thereafter, the cross-linked dip molding layer was peeled off from the hand-shaped mold to obtain a glove-shaped dip molded article.
- Example 1 when preparing a carboxylic acid-modified nitrile-based copolymer latex composition, 27% by weight of acrylonitrile, 60% by weight of 1,3-butadiene, 3% by weight of methacrylic acid, beta carboxylate as a monomer mixture in the same reactor It was carried out in the same manner as in Example 1, except that 100 parts by weight of a monomer mixture of 5% by weight of ethyl acrylate and 5% by weight of sodium 1-aryloxy-2-hydroxypropyl sulfonate was added. At this time, the solid concentration of the obtained carboxylic acid-modified nitrile-based copolymer latex composition was 45% by weight, and the pH was 8.5.
- Example 1 when preparing a carboxylic acid-modified nitrile-based copolymer latex composition, 28% by weight of acrylonitrile, 62% by weight of 1,3-butadiene, 2% by weight of methacrylic acid, and beta carboxylate as a monomer mixture in the same reactor It was carried out in the same manner as in Example 1, except that 100 parts by weight of a monomer mixture of 6% by weight of ethyl acrylate and 2% by weight of sodium 1-aryloxy-2-hydroxypropyl sulfonate was added. At this time, the solid concentration of the obtained carboxylic acid-modified nitrile-based copolymer latex composition was 45% by weight, and the pH was 8.5.
- Example 1 when preparing the carboxylic acid-modified nitrile-based copolymer latex composition, without using beta carboxy ethyl acrylate and sodium 1-aryloxy-2-hydroxypropyl sulfonate, acrylic as a monomer mixture in the same reactor It was carried out in the same manner as in Example 1, except that 100 parts by weight of the monomer mixture of 30% by weight of nitrile, 64% by weight of 1,3-butadiene, and 6% by weight of methacrylic acid was added. At this time, the solid concentration of the obtained carboxylic acid-modified nitrile-based copolymer latex composition was 45% by weight, and the pH was 8.5.
- Example 1 when preparing the carboxylic acid-modified nitrile-based copolymer latex composition, sodium 1-aryloxy-2-hydroxypropyl sulfonate was not used, and 30% by weight of acrylonitrile as a monomer mixture in the same reactor, It was carried out in the same manner as in Example 1, except that 100 parts by weight of a monomer mixture of 62% by weight of 1,3-butadiene, 4% by weight of methacrylic acid and 4% by weight of beta carboxy ethyl acrylate was added. At this time, the solid concentration of the obtained carboxylic acid-modified nitrile-based copolymer latex composition was 45% by weight, and the pH was 8.5.
- Example 1 in the preparation of the carboxylic acid-modified nitrile-based copolymer latex composition, without using beta carboxy ethyl acrylate, 30% by weight of acrylonitrile and 62% by weight of 1,3-butadiene as a monomer mixture in the same reactor , Methacrylic acid 6% by weight and sodium 1-aryloxy-2-hydroxypropyl sulfonate was carried out in the same manner as in Example 1, except that 100 parts by weight of a monomer mixture of 2% by weight. At this time, the solid concentration of the obtained carboxylic acid-modified nitrile-based copolymer latex composition was 45% by weight, and the pH was 8.5.
- Tensile properties (tensile strength, elongation and 300% modulus): Using a dip molded product obtained in each example and comparative example, a dumbbell-shaped test piece was prepared according to ASTM D-412. The test piece was pulled at a stretching speed of 500 mm/min using a universal testing machine (UTM) device, tensile strength and elongation at break were measured, and stress (300% modulus) when the elongation was 300% was measured. . The higher the tensile strength and elongation, the better the tensile properties, and the lower the 300% modulus, the better the fit.
- UPM universal testing machine
- Comparative Example 1 without carboxy alkyl (meth)acrylate monomer and ethylenically unsaturated sulfonic acid monomer
- Comparative Example 2 with only carboxy alkyl (meth)acrylate monomer
- comparison with only ethylenically unsaturated sulfonic acid monomer In the case of Example 3, the tensile properties of the same level as in the Examples were shown, but it was confirmed that the syneresis and appearance properties were deteriorated.
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Abstract
Description
| 구분 | 실시예 | 비교예 | ||||||
| 1 | 2 | 3 | 1 | 2 | 3 | |||
| 단량체 조성 | AN 1) | (wt%) | 30 | 27 | 28 | 30 | 30 | 30 |
| BD 2) | (wt%) | 62 | 60 | 62 | 64 | 64 | 62 | |
| MA 3) | (wt%) | 4 | 3 | 2 | 6 | 4 | 6 | |
| β-CEA 4) | (wt%) | 2 | 5 | 6 | - | 2 | - | |
| AHPS 5) | (wt%) | 2 | 5 | 2 | - | - | 2 | |
| 계 | (wt%) | 100 | 100 | 100 | 100 | 100 | 100 | |
| 인장특성 | 인장강도 | (MPa) | 38.1 | 39.0 | 37.7 | 37.1 | 37.3 | 33.5 |
| 신율 | (%) | 646 | 672 | 664 | 647 | 637 | 620 | |
| 300% 모듈러스 | (MPa) | 5.9 | 5.6 | 5.6 | 6.0 | 6.0 | 6.0 | |
| 시너리시스 | (min) | Х | Х | Х | 2 | 2.5 | 2 | |
| 외관물성 | - | ○ | ○ | ○ | Х | Х | Х | |
| 1) AN: 아크릴로니트릴2) BD: 1,3-부타디엔3) MA: 메타크릴산4) β-CEA: 베타 카르복시 에틸 아크릴레이트 5) AHPS : 소디움 1-아릴옥시-2-하이드록시프로필 설포네이트 | ||||||||
Claims (11)
- 카르본산 변성 니트릴계 공중합체를 포함하는 카르본산 변성 니트릴계 공중합체 라텍스 조성물에 있어서,상기 카르본산 변성 니트릴계 공중합체는 카르복시 알킬 (메타)아크릴레이트 단량체 유래 반복단위, 및 술폰산 염 또는 술폰산 에스테르를 포함하는 에틸렌성 불포화 술폰산 단량체 유래 반복단위를 포함하는 것인 카르본산 변성 니트릴계 공중합체 라텍스 조성물.
- 제1항에 있어서,상기 카르복시 알킬 (메타)아크릴레이트 단량체는 카르복시 에틸 (메타)아크릴레이트, 카르복시 프로필 (메타)아크릴레이트, 카르복시 프로필 (메타)아크릴레이트 , 카르복시 펜틸 (메타)아크릴레이트로 이루어진 군에서 선택된 1종 이상인 것인 카르본산 변성 니트릴계 공중합체 라텍스 조성물.
- 제1항에 있어서,상기 에틸렌성 불포화 술폰산 단량체는 나트륨 비닐 술포네이트, 나트륨 (메트)알릴 술포네이트, 2-메틸-2-프로펜-1-술폰산 나트륨 염, 2-아크릴아미도-2-메틸프로판 술폰산 나트륨 염, 3-술포프로필 (메트)아크릴레이트, 나트륨 α-메틸스티렌술포네이트, 나트륨 에틸 스티렌 술포네이트 및 나트륨 1-알릴옥시-2-히드록시프로필 술포네이트로 이루어진 군에서 선택된 1종 이상인 것인 카르본산 변성 니트릴계 공중합체 라텍스 조성물.
- 제1항에 있어서,상기 카르복시 알킬 (메타)아크릴레이트 단량체 유래 반복단위의 함량은, 상기 카르본산 변성 니트릴계 공중합체 전체 함량에 대하여 0.1 중량% 내지 10 중량%이고, 상기 에틸렌성 불포화 술폰산 단량체 유래 반복단위의 함량은, 상기 카르본산 변성 니트릴계 공중합체 전체 함량에 대하여 0.1 중량% 내지 10 중량%인 카르본산 변성 니트릴계 공중합체 라텍스 조성물.
- 제1항에 있어서,상기 카르복시 알킬 (메타)아크릴레이트 단량체 유래 반복단위의 함량은, 상기 카르본산 변성 니트릴계 공중합체 전체 함량에 대하여 2 중량% 내지 6 중량%이고, 상기 에틸렌성 불포화 술폰산 단량체 유래 반복단위의 함량은, 상기 카르본산 변성 니트릴계 공중합체 전체 함량에 대하여 2 중량% 내지 5 중량%인 카르본산 변성 니트릴계 공중합체 라텍스 조성물.
- 제1항에 있어서,상기 에틸렌성 불포화 술폰산 단량체 유래 반복단위 및 카르복시 알킬 (메타)아크릴레이트 단량체 유래 반복단위는 1:1 내지 5의 중량비로 포함되는 것인 카르본산 변성 니트릴계 공중합체 라텍스 조성물.
- 제1항에 있어서,상기 카르본산 변성 니트릴계 공중합체는, 공액디엔계 단량체 유래 반복단위, 에틸렌성 불포화 니트릴계 단량체 유래 반복단위, 에틸렌성 불포화산 단량체 유래 반복단위, 카르복시 알킬 (메타)아크릴레이트 단량체 유래 반복단위 및 에틸렌성 불포화 술폰산 단량체 유래 반복단위를 포함하는 것인 카르본산 변성 니트릴계 공중합체 라텍스 조성물.
- 제1항에 있어서,상기 카르본산 변성 니트릴계 공중합체는, 공액디엔계 단량체 유래 반복단위 40 중량% 내지 80 중량%, 에틸렌성 불포화 니트릴계 단량체 유래 반복단위 10 중량% 내지 50 중량%, 에틸렌성 불포화산 단량체 유래 반복단위 0.1 중량% 내지 10 중량%, 카르복시 알킬 (메타)아크릴레이트 단량체 유래 반복단위 0.1 중량% 내지 10 중량% 및 에틸렌성 불포화 술폰산 단량체 유래 반복단위 0.1 중량% 내지 10 중량%로 포함하는 것인 카르본산 변성 니트릴계 공중합체 라텍스 조성물.
- 제1항 내지 제8항 중 어느 한 항에 따른 카르본산 변성 니트릴계 공중합체 조성물 및 가교제 조성물을 포함하는 딥 성형용 라텍스 조성물.
- 제9항에 있어서,상기 가교제 조성물은 산화아연, 가황제 및 가황촉진제를 포함하는 것인 딥 성형용 라텍스 조성물.
- 제9항에 따른 딥 성형용 라텍스 조성물 유래층을 포함하는 성형품.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201980015126.7A CN111788262B (zh) | 2018-12-19 | 2019-11-01 | 羧酸改性的腈类共聚物胶乳组合物、包含它的用于浸渍模塑的胶乳组合物和它的模制品 |
| US16/976,279 US12497501B2 (en) | 2018-12-19 | 2019-11-01 | Carboxylic acid-modified nitrile-based copolymer latex composition, latex composition for dip molding including the same, and molded article therefrom |
| MYPI2020004380A MY197736A (en) | 2018-12-19 | 2019-11-01 | Carboxylic acid-modified nitrile-based copolymer latex composition, latex composition for dip molding including the same, and molded article therefrom |
| JP2020544740A JP7022840B2 (ja) | 2018-12-19 | 2019-11-01 | カルボン酸変性ニトリル系共重合体ラテックス組成物、これを含むディップ成形用のラテックス組成物およびこれにより成形された成形品 |
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| KR10-2018-0165190 | 2018-12-19 |
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| US (1) | US12497501B2 (ko) |
| JP (1) | JP7022840B2 (ko) |
| KR (1) | KR102350280B1 (ko) |
| CN (1) | CN111788262B (ko) |
| MY (1) | MY197736A (ko) |
| WO (1) | WO2020130330A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220066049A (ko) * | 2019-09-20 | 2022-05-23 | 신쏘머 에스디엔. 비에이치디. | 응력 유지 특성 및 연성이 우수한 탄성 필름 제조용 중합체 라텍스 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY205976A (en) * | 2021-10-06 | 2024-11-21 | Synthomer Sdn Bhd | Polymer latex for the preparation of an elastomeric film having microbial resistance |
| KR20250149159A (ko) * | 2024-04-08 | 2025-10-15 | 주식회사 엘지화학 | 카르본산 변성 니트릴계 공중합체 라텍스, 이의 제조방법, 이를 포함하는 딥 성형용 라텍스 조성물 및 성형품 |
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| KR20220066049A (ko) * | 2019-09-20 | 2022-05-23 | 신쏘머 에스디엔. 비에이치디. | 응력 유지 특성 및 연성이 우수한 탄성 필름 제조용 중합체 라텍스 |
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| JP2022548722A (ja) * | 2019-09-20 | 2022-11-21 | シントマー スンディリアン ブルハド | 優れた応力保持特性と柔軟性を有するエラストマーフィルム調製のためのポリマーラテックス |
| JP7658955B2 (ja) | 2019-09-20 | 2025-04-08 | シントマー スンディリアン ブルハド | 優れた応力保持特性と柔軟性を有するエラストマーフィルム調製のためのポリマーラテックス |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP7022840B2 (ja) | 2022-02-18 |
| CN111788262A (zh) | 2020-10-16 |
| US12497501B2 (en) | 2025-12-16 |
| JP2021515069A (ja) | 2021-06-17 |
| KR20200076262A (ko) | 2020-06-29 |
| KR102350280B1 (ko) | 2022-01-11 |
| CN111788262B (zh) | 2022-11-11 |
| US20210054177A1 (en) | 2021-02-25 |
| MY197736A (en) | 2023-07-12 |
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