WO2002072697A1 - Composition et vulcanisat de caoutchouc acrylique - Google Patents
Composition et vulcanisat de caoutchouc acrylique Download PDFInfo
- Publication number
- WO2002072697A1 WO2002072697A1 PCT/JP2002/002076 JP0202076W WO02072697A1 WO 2002072697 A1 WO2002072697 A1 WO 2002072697A1 JP 0202076 W JP0202076 W JP 0202076W WO 02072697 A1 WO02072697 A1 WO 02072697A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- weight
- parts
- composition according
- acrylic rubber
- rubber composition
- Prior art date
Links
Classifications
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
Definitions
- the present invention relates to a carboxyl group-containing acrylic rubber composition used as a vulcanization molding material such as a sealing material, a hose material, a vibration isolating material, a tube material, a belt material, and a boot material.
- a carboxyl group-containing acrylic rubber composition used as a vulcanization molding material such as a sealing material, a hose material, a vibration isolating material, a tube material, a belt material, and a boot material.
- Acrylic rubber is widely used in automotive-related fields because of its excellent heat resistance and oil resistance. In recent years, better compression has been achieved for metal materials such as seal materials, hose materials, vibration-proof materials, tube materials, belt materials or boot materials, and materials used for parts that are infested with oil, etc. There is a strong demand for permanent set, heat resistance, and oil resistance, and improvements are being studied. In addition, acrylic rubber has a problem that scorch is likely to occur, and its improvement is also required.
- an ethylene monoacrylate ester looptenedionate monoestenole copolymer As a rubber material used for such an application, an ethylene monoacrylate ester looptenedionate monoestenole copolymer is known (Japanese Patent Application Laid-Open No. 50-45031, etc.). Sulfates have poor oil resistance.
- 1,8-diazabicyclo [5.4.0] indene_7,1,5-diazabic mouth [4.3.0] nonene-5 or an acrylic rubber having a butenedioic acid monoalkyl ester unit It has been proposed to mix a salt and vulcanize with a polyfunctional amine vulcanizing agent (Japanese Patent Application Laid-Open No. 11-180488).
- 1,8-diazabicyclo [5.4.0] ndene7 and 1,5-diazabicyclo [4.3.0] nonene-5 may cause scorch during carbosulfurization. That c onset Ming disclosure
- An object of the present invention is to provide an acryl rubber composition having excellent scorch stability during vulcanization, and excellent heat resistance and oil resistance after vulcanization.
- the present inventors have conducted intensive studies to achieve the above object, and as a result, obtained a specific carboxy group-containing acrylic rubber (A), a monovalent primary amine compound (B) and a polyvalent amine vulcanizing agent (C). We found that the above objectives could be achieved by joining our, and based on this knowledge! / The present invention has been completed.
- Acrylic rubber (A) comprising 0.1 to 10% by weight of a carboxyl group-containing ethylenically unsaturated monomer (b) unit and 0 to 20% by weight of another monomer (c) unit copolymerizable therewith.
- Acrylic rubber composition containing 0.05 to 2.5 parts by weight of a monovalent primary amine compound (B) and 0.05 to 5 parts by weight of a polyvalent amine vulcanizing agent (C) based on 100 parts by weight
- a vulcanized product obtained by vulcanizing the acrylic rubber composition is provided.
- the vulcanizable acrylic rubber composition of the present invention comprises an acrylate monomer (a) unit 90 to 99.9% by weight, a propyloxyl group-containing ethylenically unsaturated monomer (b) unit 0.1 to 10 wt% and these and other copolymerizable monomer (c) units 0 to 20 weight 0/0 of acrylic rubber (a) 100 parts by weight of, a monovalent primary amine compound (B) 0. 05 ⁇ 2.5 parts by weight and 0.05 to 5 parts by weight of polyamine vulcanizing agent (C).
- acrylate monomer (a) unit 90 to 99.9% by weight, a propyloxyl group-containing ethylenically unsaturated monomer (b) unit 0.1 to 10 wt% and these and other copolymerizable monomer (c) units 0 to 20 weight 0/0 of acrylic rubber (a) 100 parts by weight of, a monovalent primary amine compound (B) 0. 05 ⁇ 2.5 parts by weight and 0.05 to
- Acrylic rubber (A) used in the present invention are acrylic acid ester monomer (a) units from 90 to 99.9 weight 0/0, the carboxyl group-containing ethylenically unsaturated monomer (b) units 1-10 wt % And other monomers copolymerizable therewith (c) unit 0 to 20% by weight.
- acrylate monomer (a) only alkyl acrylate monomers It is preferable to use a combination of a alkoxyalkyl acrylate monomer and an alkyl acrylate monomer, and it is more preferable to use them together.
- alkyl acrylate monomer those having an alkyl group having 1 to 8 carbon atoms are preferable.
- methyl acrylate, ethyl acrylate, ⁇ -propyl acrylate, ⁇ -butyl acrylate examples include isopropynole acrylate, isobutyl acrylate, ⁇ -hexyl acrylate, 2-ethylhexyl acrylate, and hexyl acrylate.
- ethyl acrylate and ⁇ -butyl acrylate are preferred.
- alkoxyalkyl acrylate monomer those having an alkoxyalkyl group having 2 to 8 carbon atoms are preferable.
- methoxymethyl acrylate, ethoxymethyl acrylate, 2-ethoxyxyl acrylate, acrylic acid Examples include 2-butoxystil, 2-methoxysyl acrylate, 2-propoxysyl acrylate, 3-methoxy pill acrylate, and 4-methoxybutyl acrylate.
- 2-ethoxyethoxyl acrylate and 2-methoxyxyl acrylate are preferred. .
- the amount of the alkyl acrylate monomer unit in the acrylate ester monomer (a) unit is 3%. It is preferably 0 to 90% by weight, more preferably 40 to 89% by weight, and particularly preferably 45 to 88% by weight. If the alkyl acrylate unit is too small, the tensile strength and elongation may be poor, and if it is too large, the oil resistance may be poor.
- the monomer (a) unit amount is 9 0-9 9 9 wt 0/0, the preferred properly 9 2 5 -... 9 9 7 wt. / 0 , more preferably 95 to 99.5% by weight. If the amount of the monomer (a) is too small, the strength and elongation of the vulcanized product are inferior. If the amount is too large, vulcanization is difficult.
- carboxyl group-containing ethylenically unsaturated monomer (b) examples include carboxylic acid monomers such as acrylic acid, methacrylic acid, ethacrylic acid, itaconic acid, maleic acid, fumaric acid and citraconic acid; monomethyl maleate , Monoethynole maleate, Mono-n-butyl maleate, Monomethyl fumarate, Monoethyl fumarate, Fumaric acid Mono-n-butyl and other butenedioic acid monoalkyl ester monomers; and the like.
- carboxylic acid monomers such as acrylic acid, methacrylic acid, ethacrylic acid, itaconic acid, maleic acid, fumaric acid and citraconic acid
- monomethyl maleate Monoethynole maleate, Mono-n-butyl maleate, Monomethyl fumarate, Monoethyl fumarate, Fumaric acid Mono-n-butyl and other butenedioic acid monoalkyl ester monomers
- the carboxyl group may be a carboxylic anhydride group, and carboxylic anhydride monomers such as maleic anhydride and citraconic anhydride can also be used as the monomer (b).
- carboxylic anhydride monomers such as maleic anhydride and citraconic anhydride can also be used as the monomer (b).
- a monoalkyl butenedioate monomer is preferred, and monoethyl maleate, mono-n-butyl maleate, monoethyl fumarate, and mono-n-butyl fumarate are particularly preferred.
- the monomer (b) unit weight 0. 1 ⁇ :... L 0 weight 0 I preferably 0 3-7 5 weight 0/0, more preferably 0 5 to 5 weight 0/0.
- Monomer (a) Unit force S If too small, carosulphurization is difficult, and if too large, the rubber elasticity S of the vulcanizate is inferior.
- a monomer copolymerizable with a monomer (c) copolymerizable therewith may be used.
- the monomer (c) include a conjugated diene monomer and a non-conjugated diene monomer.
- the conjugated diene monomer include 1,3-butadiene, chloroprene, and piperylene.
- non-conjugated diene monomer examples include 1,2-butadiene, 1,4-pentadiene, dicyclopentadiene, norponolenene, ethylidene norbornene, hexadiene, norbornadiene and the like.
- aromatic vinyl monomer examples include styrene, ⁇ -methylstyrene, divininolebenzen and the like.
- a,] 3-ethylenically unsaturated nitrile monomer examples include acrylonitrile and methacrylonitrile.
- Amide group-containing (meth) -terminated acryl monomers include acrylamide and methacrylamide.
- Examples of the polyfunctional di (meth) acrylic monomer include ethylene daricone resin acrylate, propylene glycol / resin acrylate, ethylene glycol / resin methacrylate, and propylene daricol dimethal acrylate.
- Examples of the aliphatic vinyl monomer include vinyl chloride, vinyl chloride, vinyl chloride, ethyl vinyl acetate / butyl ether, and butyl vinyl ether.
- the unit amount of the monomer (c) in the ataryl rubber (II) is 0 to 20% by weight or less, preferably 0 to 9.9% by weight, more preferably 0 to 7.2% by weight, and particularly preferably. Is from 0 to 4.5% by weight. If the monomer (c) unit is too large, acrylic such as oil resistance In some cases, the properties as rubber are inferior.
- Akurirugomu (A) beam one hundred twenty-one viscosity (ML 1 + 4, 1 0 0 ° C) is preferably 1 0-7 0, more preferably 2 0-6 0, especially preferably 3 0-5 0 is there. If the viscosity is too small, the formability and mechanical strength of the vulcanizate may be poor, and if it is too large, the formability may be poor.
- the amount of the carboxyl groups of the acrylic rubber (A) is preferably 5 XI 0 one 4 ⁇ 4 X 1 0 -1 ephr , more preferably 2 X 1 0- 3 ⁇ 2 X 1 0 _1 ephr and particularly preferably 4 X 1 0- 3 ⁇ : a 1 X 1 C ⁇ ephr. If the carboxyl group in the acrylic rubber (A) is too small, the vulcanizate may not be able to maintain its shape due to insufficient vulcanization. Conversely, if the carboxyl group is too large, the vulcanizate may become hard and lose rubber elasticity There are cases.
- the monovalent primary amine compound (B) used in the present invention is a compound obtained by substituting one of the hydrogen atoms of ammonia with a hydrocarbon group, and includes aliphatic monovalent primary amine, alicyclic monovalent primary amine, and aromatic monoamine. Examples thereof include primary amines, amino alcohols, and aminooxo compounds. Of these, aliphatic monovalent primary amines are preferred, and particularly, lipophilic monovalent primary amines having 8 to 20 carbon atoms are more preferred! /.
- Aliphatic monovalent primary amines include methylamine, ethylamine, propylamine, isopropylamine, n-butylamine, t-butylamine, sec-butylamine, hexylamine, heptylamine, otatylamine, nonylamine, decylamine, decylamine, dodecylamine, Tridecylamine, tetradecinoleamine, pentadecinoleamine, cetinoleamine, 2-ethynolehexylamine, octadecylamine, aryluamine, cis-1-butenelamine, 10-opendeseninoleamine, trans-12-otatadeceninoleamine, cis I 9-octadecenylamine, nonadecylamine, etc., among them, otatylamine, decylamine, dodecylamine, tetradecylamine,
- alicyclic monovalent primary amine examples include cyclopropylamine, cyclobutylamine, cyclopentylamine, hexahexylamine, and the like.
- Aromatic monovalent primary amines include aniline, o-tonolidine, m-toluidine, penzinoleamine, hi-naphthinoleamine, ⁇ -naph Tilamine and the like.
- amino alcohols include aminoethanol, amino propanol, D, L-alaninone, 2-aminobutyl alcohol, 2-amino-2-methylpropanol, 2-amino-2-hydroxymethyl-1,3-propanediol , 2-Amino-1-methylpropane-1,3-diol, 2-Amino-2-ethyl-1,3-propanediol, 1-Chloro-3-aminopropyl, pent-1-ol, 3-amino_1,2-propanediol And amino alcohols such as 2-amine_1,3-propanediol.
- aminooxo compound include 3-methoxypropylamine and 3-ethoxypropylamine.
- the blending amount of the monovalent primary amine compound (B) with respect to 100 parts by weight of the acrylic rubber (A) is 0.05 to 2.5 parts by weight, preferably 0.1 to 2 parts by weight, more preferably 0.2. ⁇ 1.5 parts by weight. If the blending amount of the monovalent primary amine compound (B) is too small, the scorch stability of the composition may be insufficient. If the blending amount is too large, the strength of the vulcanized product may be significantly reduced or the compression set may be large. Or may be. Further, by using the monovalent primary amine compound (B) within this range, the polyvalent amine vulcanizing agent (C), which generally has poor scorch stability, and 1,8-diazabicyclo [5.4.0] can be used. Even when vulcanizing in combination with a caro-sulfur accelerator such as the phenol salt of pendecene, the scorch stability is excellent.
- a caro-sulfur accelerator such as the phenol salt of pendecene
- the polyvalent amine vulcanizing agent (C) used in the present invention is a compound having a plurality of amino groups or a salt thereof, and functions as a carosulfurizing agent for the acrylic rubber (A).
- it is an aliphatic polyamine compound, an aromatic polyamine compound, or a salt thereof.
- a divalent amine compound, a trivalent amine compound or a salt thereof is preferable, and a divalent amine compound or a salt thereof is particularly preferable.
- Most preferred are lunar aliphatic divalent amine compounds, aromatic divalent amine compounds, or salts thereof.
- a plurality of polyamine vulcanizing agents (C) may be used in combination.
- polyvalent amine vulcanizing agent (C) examples include aliphatic divalent amine compounds such as hexamethylenediamine, ethylenediamine, and hexahexanediamine; hexmethylenediamine carbamate, ethylenediamine.
- Salts of aliphatic hexavalent diamine compounds such as mincarbamate; N, N, dicinnamylidene-1,6-hexanediamine; N, N'—Dicinnamylidene cinnamaldehyde adduct of aliphatic divalent amine compound such as 1,2-ethylenediamine; diethylenetriamine, cyclohexanetriamine, bis (hexamethylene) triamine, 3,3'diaminodiamine Aliphatic trivalent amine compounds such as propylamine; 4,4'-methylenedianiline, m-phenylenediamine, 4,4'diaminodiphenylether, 3,4'-diaminodiphenylinoleether, 4, 4,1- (ra-phenylenediisopropylidene) dianiline, 4,4,1- (p-phenylenediisopropylidene) diaerin, 2,2'-bis [4- (4-aminophen
- polyhydric amine vulcanizing agents such as isophthalic dihydrazide, terephthalic dihydrazide, phthalic dihydrazide, succinic dihydrazide, adipic dihydrazide, dodecane dihydrazide, fumaric dihydrazide, maleic dihydrazide, hydradazide, and tritazidide
- Multivalent hydrazide compounds such as melitic acid dihydrazide, 1, 3, 5—benzenetricarboxylic acid dihydrazide, aconitic acid dihydrazide; oxaloyl hydrazine, terephthaloyl hydrazide, isophthaloyl hydrazide, 3, 3, 1 [methylene bis (1, 4_phenylenoxy)] dipropiondihydrazide, thiocarbonohydrazide, oxamide hydrazide, 1,3_benzenesulfonyl
- Polyisocyanate compounds diphenylmethane-bis- (4,4, -l-rubamoyl-l- ⁇ -l-pro-lactam, diphenyl-methane-l-bis-l, 4,4,--, ⁇ , ⁇ ⁇ , 1-ethylen-perylene, etc .;
- Examples of the compound 1 include compounds that are a reaction product with a dangling agent.
- 2,4,2-bis [4- (4-aminophenoxy) pheninole] propane and the like is 0.05 to 5 parts by weight, preferably 0.1 to 4 parts by weight, more preferably 0.2. ⁇ 3 parts by weight.
- the amount of the polyvalent amine vulcanizing agent is too large, the vulcanized product may be too hard, the elongation of the vulcanized product may be reduced, or the elongation after heat load may be too small. If the amount is too small, the strength of the carosulphate may be significantly reduced, or the elongation change and the tensile strength change after heat load may be too large.
- a vulcanization accelerator can be used together with a polyamine vulcanizing agent, if necessary.
- a vulcanization accelerator water, base dissociation constant in 2 5 ° C is 1 0 one 12 to 1 0 +6, no vulcanization react with substantially vulcanizable monomer units
- bases and conjugated bases such as guanidine-based accelerators, quaternary oxalate-based accelerators, tertiary amine-based accelerators, tertiary phosphine-based accelerators, alkali metal salts of weak acids, and alkaline metals. Metal alkoxides or metal phenoxides.
- Examples of guanidine-based accelerators include 1,3-diphenyldanidine, di-o-tolylguandin, and the like.
- Examples of the quaternary oxalate-based accelerator include tetrabutylammonium bromide and tetrabutylammonium chloride.
- Examples of tertiary amine-based accelerators include hexamethyltriethylenetetramine and 1,8-diazabicyclo [5,4,0] indene-17.
- Examples of the tertiary phosphine accelerator include triphenylphosphine and tri (methylphenyl) phosphine.
- alkali metal salt of a weak acid examples include inorganic weak salts such as sodium, potassium or lithium phosphates, carbonates and bicarbonates, and organic weak salts such as stearates and laurates.
- Al power Examples of the metal alkoxide include sodium methoxide, sodium isopropoxide, and rhizumisopropoxide.
- alkali metal phenoxide examples include sodium phenoxide, potassium phenoxide, potassium benzoate and the like.
- Atharyl rubber (A)
- the amount of the sulfuric acid accelerator used per 100 parts by weight is preferably 0.1 to 20 parts by weight, more preferably 0.2 to 15 parts by weight, and particularly preferably 0.3. 110 parts by weight.
- the acrylic rubber composition of the present invention may be, if necessary, a reinforcing material, a filler, an antioxidant, a light stabilizer, a plasticizer, a processing aid, a lubricant as long as the effects of the present invention are not substantially impaired. It may contain additives such as a pressure-sensitive adhesive, a lubricant, a flame retardant, a fungicide, an antistatic agent, and a coloring agent.
- the acrylic rubber composition may further contain a rubber, an elastomer, a resin, and the like other than the acrylic rubber (A), if necessary, as long as the effects of the present invention are not substantially impaired.
- a rubber, an elastomer, a resin, and the like other than the acrylic rubber (A) if necessary, as long as the effects of the present invention are not substantially impaired.
- natural rubber, acrylic rubber other than acrylic rubber (A) rubber such as polybutadiene rubber, polyisoprene rubber, styrene-butadiene rubber, atari lonitrinolebutadiene rubber, etc .
- an appropriate mixing method such as roll mixing, Banbury mixing, screw mixing, and solution mixing is used.
- the mixing order is not particularly limited, but after sufficiently mixing components that are not easily decomposed by heat, components that are easily reacted or decomposed by heat, for example, a carosulfurizing agent, a vulcanization accelerator, etc., should be used for a very short time. Should be mixed.
- the method for molding the acrylic rubber composition is not particularly limited. Any method such as compression molding, injection molding, transfer molding or extrusion molding can be used. Further, the vulcanization method may be selected according to the necessity such as the shape of the caro-sulfurate. Either a method of simultaneously performing shaping and vulcanization or a method of performing vulcanization after molding may be used.
- the vulcanizate can be obtained by heating the acrylic rubber composition of the present invention.
- the heating temperature is preferably 130 to 220 ° C. or higher, more preferably 140. C to 200 ° C, the vulcanization time is preferably 30 seconds to 5 hours.
- a heating method a method used for vulcanization of rubber, such as press heating, steam heating, oven heating, or hot air heating, may be appropriately selected.
- vulcanization may be performed after heating for a long time in order to securely vulcanize the inside of the vulcanized product.
- Post-vulcanization varies depending on the heating method, vulcanization temperature, shape and the like, but is preferably performed for 1 to 48 hours. The heating method and the heating temperature may be appropriately selected.
- acrylic rubber 1 has a content of ethyl acrylate unit of 48%, a content of n-butyl acrylate unit of 34%, a content of 2-methoxyshethyl acrylate unit of 14%, and a content of mono-n-methyl maleate unit of 4% %, a carboxyl group content of 7 X 10- 3 e ph r, is of Mooney viscosity (ML 1 + 4, 100 ° C) 35, corresponds to acrylic rubber (a).
- Acrylic rubber 2 contains 50% ethyl acrylate unit, 34% n-butyl acrylate unit, 14% 2-methoxyethyl acrylate unit, 2% mono-n-methyl fumarate, and carboxyl group content 9X 10- 3 ephr, is of Mooney viscosity (ML 1 + 4, 100 ° C) 35, to the skilled in the acrylic rubber (a).
- Ataryl rubber 3 has a content of 50% of ethyl acrylate unit, a content of n-butyl acrylate unit of 28%, a content of 2-methoxyethyl allylate unit of 20%, and a vinyl acetate unit content of 2 ° / °.
- the Mooney viscosity (ML 1 + 4 , 100 ° C) is 35, does not contain carboxyl groups, and does not fall under the category of acrylic rubber (A).
- Acryl rubber 4 is a commercially available ethylene monoacrylate copolymer (DuPont) having an ethylene unit content of 30% or more and a Mooney viscosity (ML 1 + 4 , 100 ° C) of 16 V amac G) and does not fall under the category of ataryl rubber (A).
- the Mooney viscosity of acrylic rubber is 100 according to J is K6300. Measured at C.
- the Mooney scorch time t 5 (min) of the obtained rubber composition was measured under measurement conditions of 125 ° C. according to JIS K6300.
- the rubber and the composition were molded and vulcanized by pressing at 170 ° C for 20 minutes to produce a 15 cm x 15 cm x 2 mm test piece, which was then left at 170 ° C for 4 hours for post-vulcanization .
- JIS K6257 the tensile strength, elongation and hardness of the vulcanizate were evaluated before and after air aging for 70 hours in a 175 ° C environment according to JIS K6301 according to JIS K6301. Measurements were made to determine the tensile strength change rate, elongation change rate, and hardness change.
- the rubber thread composition was molded and vulcanized by pressing at 170 ° C for 20 minutes, and then left at 170 ° C for 4 hours for post-vulcanization to prepare an O-ring having a diameter of 3.1 mm.
- For compression set after compressing this O-ring by 25%, leave it in an environment of 175 ° C for 70 hours, release the compression, and release for 30 minutes in an environment of a temperature of 23 ° C and a humidity of 50%. The compression set was measured.
- Table 1 shows these measurement results and judgment results.
- Example 1 The procedure was as in Example 1, except that the amount of octadecylamine was changed from 0.3 to 0.5 part. Table 1 shows the results.
- Example 3 The procedure was as in Example 1, except that the amount of octadecylamine was changed from 0.3 to 1 part. Table 1 shows the results.
- Example 1 The procedure was as in Example 1, except that 0.3 part of dodecylamine was used instead of 0.3 part of octadecylamine. Table 1 shows the results.
- Example 1 Except that acrylyl rubber 2 was used in place of acrylyl rubber 1 and 1 part of 4,4,1- (p-phenylenediisopropylisopropylidene) dianiline was used instead of 0.5 part of 4,4, diaminodiphenyl ether. Treated in the same way as 1. Table 2 shows the results.
- Example 1 except that acrylic rubber 2 was used in place of acryl rubber 1 and 1 part of 2,2-bis [4- (4-aminophenyl) phenyl] propane was used instead of 0.5 part of 4,4 'diaminodiphenyl ether. Treated in the same way as 1. Table 2 shows the results.
- Acrylic rubber 1 was used instead of acrylic rubber 1, and 2.5 parts of 2,4-bis [4- (4-aminophenoxy) phenyl] propane was used instead of 0.5 part of 4,4, diaminodiphenyl ether. The same treatment as in Example 1 was performed. Table 2 shows the results.
- Example 2 The procedure was as in Example 1, except that 0.3 part of octadecylamine was used instead of 0.3 part of octadecylamine. Table 2 shows the results.
- Example 2 The same treatment as in Example 1 was carried out except that otatadecylamine was not used. Table 2 shows the results.
- Octadecylamine was used, except that instead of 0.5 part of 4,4, -diaminodiphenyl ether, 1.3 parts of N, N-dicinnamylidene1-1,61-hexadiamine were used. Treated as in Example 1. Table 2 shows the results.
- Example 2 The same treatment as in Example 1 was carried out except that otatadecylamine was not used. Table 2 shows the results.
- Example 2 The same treatment as in Example 1 was carried out except that acryl rubber 2 was used instead of acrylic rubber 1 and that octadecinoleamine was not used. Table 3 shows the results.
- Example 2 The procedure was as in Example 1, except that the amount of octadecylamine was changed from 0.3 to 3 parts. Table 3 shows the results. However, since the vulcanizate was not obtained because the t5 force was S 60 minutes or more, the physical properties of the vulcanizate were left blank.
- Example 1 except that acrylic rubber 2 was used instead of acrylic rubber 1 and 6 parts of 2,2-bis [4-1 (4-aminophenoxy) phenyl] propane was used instead of 0.5 part of 4,4, diaminodiphenyl etherate. The same treatment was performed. Table 3 shows the results. Comparative Example 8
- Acrylic rubber 3 was used instead of acrylic rubber 1, 0.5 parts of zinc dibutyldithiocarbamate was used instead of 2 parts of di-o-tolylguanidine, The same treatment as in Example 1 was carried out except that 1.5 parts of 2,4,6-trimercapto-1-triazine was used instead of 0.5 part of 4′-diaminodipheninoleether. Table 3 shows the results.
- the carboxyl group-containing acrylic rubber composition using a monovalent secondary amine compound instead of a monovalent primary amine compound has poor scorch stability (Comparative Example 1).
- a carboxyl group-containing acryl rubber composition containing no monovalent primary amine compound also has poor scorch stability (Comparative Examples 2 to 5 ).
- a carbohydrate containing a large amount of a monovalent primary amine compound No vulcanizate was obtained with the acrylic rubber composition containing a xyl group (Comparative Example 6).
- a vulcanizate of a carboxyl group-containing acryloyl rubber composition containing a large amount of a polyamine vulcanizing agent is inferior in heat resistance and has a large compression set (Comparative Example 7).
- An acryl rubber composition containing no carboxyl group containing chlorine as a crosslinking point is inferior in scorch stability even when a vulcanizing agent or the like corresponding to the crosslinking point is used, and the obtained vulcanized product has a large compression set.
- a vulcanized product of an acryl rubber composition using an ethylene monoacrylate / coppertenedioate monoester copolymer as the acrylic rubber 4 has poor oil resistance (Comparative Example 9).
- the acryl rubber composition of the present invention has excellent scorch stability during vulcanization, excellent heat resistance and oil resistance after vulcanization, and low compression set (Examples 1 to 9).
- the Mooney scorch time is short in a normal formulation, and even if the scorch stability is poor, it is a monovalent primary.
- the Mooney scorch time is long and the scorch stability is excellent (Comparative Example 4 with Example 10).
- the rubber composition of the present invention has excellent scorch stability at the time of vulcanization, and has excellent heat resistance, oil resistance, and metal corrosion resistance after caulking, and has a small compression set. Taking advantage of this property, it can be used in a wide range of materials such as seal materials, hose materials, vibration-proof materials, tube materials, belt materials, and boot materials.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Gasket Seals (AREA)
- Vibration Prevention Devices (AREA)
- Sealing Material Composition (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02702762A EP1378539B1 (en) | 2001-03-06 | 2002-03-06 | Acrylic rubber composition and vulcanizate |
DE60216254T DE60216254T2 (de) | 2001-03-06 | 2002-03-06 | Acrylkautschukzusammensetzung und vulkanisat |
US10/469,933 US20040110905A1 (en) | 2001-03-06 | 2002-03-06 | Acrylic rubber composition and vulcanizate |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-061145 | 2001-03-06 | ||
JP2001061145A JP4273671B2 (ja) | 2001-03-06 | 2001-03-06 | アクリルゴム組成物および加硫物 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002072697A1 true WO2002072697A1 (fr) | 2002-09-19 |
Family
ID=18920483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/002076 WO2002072697A1 (fr) | 2001-03-06 | 2002-03-06 | Composition et vulcanisat de caoutchouc acrylique |
Country Status (6)
Country | Link |
---|---|
US (1) | US20040110905A1 (ja) |
EP (1) | EP1378539B1 (ja) |
JP (1) | JP4273671B2 (ja) |
CN (1) | CN1219820C (ja) |
DE (1) | DE60216254T2 (ja) |
WO (1) | WO2002072697A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7056986B2 (en) | 2001-10-30 | 2006-06-06 | Denki Kagaku Kogyo Kabushiki Kaisha | Ethylene-acrylic copolymer rubber composition |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4634637B2 (ja) * | 2001-04-20 | 2011-02-16 | 電気化学工業株式会社 | アクリル系エラストマー組成物 |
JP4075389B2 (ja) * | 2002-01-30 | 2008-04-16 | 日本ゼオン株式会社 | 加硫性アクリルゴム組成物および加硫物 |
JP4022736B2 (ja) * | 2002-05-27 | 2007-12-19 | 日本ゼオン株式会社 | アクリルゴム組成物及び架橋物 |
WO2006116440A2 (en) * | 2005-04-26 | 2006-11-02 | Shiloh Industries, Inc. | Acrylate-based sound damping material and method of preparing same |
JP4936916B2 (ja) | 2006-02-01 | 2012-05-23 | 東海ゴム工業株式会社 | ディーゼル用耐熱エアーホース |
JP5357406B2 (ja) * | 2006-07-03 | 2013-12-04 | 日東電工株式会社 | 固形タイプのゴム系粘着剤組成物とその粘着シート |
JP2008127518A (ja) * | 2006-11-24 | 2008-06-05 | Nippon Zeon Co Ltd | 圧縮機用シール部材用アクリルゴム組成物、その架橋体及び圧縮機用シール部材 |
ES2377328T3 (es) * | 2006-12-05 | 2012-03-26 | Denki Kagaku Kogyo Kabushiki Kaisha | Composición de caucho acrílico y vulcanizado de la misma |
BRPI0813876B1 (pt) | 2007-06-28 | 2019-01-15 | Denka Company Ltd | composição de borracha acrílica e produtos vulcanizados da mesma |
JP4880756B2 (ja) | 2007-07-31 | 2012-02-22 | パナソニック株式会社 | カメラシステムおよびカメラ本体 |
EP2065437A1 (en) * | 2007-11-30 | 2009-06-03 | Lanxess Deutschland GmbH | Improved polymer vulcanizate and process for the production thereof |
US7897694B2 (en) * | 2007-12-21 | 2011-03-01 | Acushnet Company | Polyacrylate rubber compositions for golf balls |
US8288483B2 (en) * | 2008-01-30 | 2012-10-16 | Unimatec Co., Ltd. | Diurethane compound, process for producing the same, and acrylic rubber composition containing the same |
WO2009099113A1 (ja) * | 2008-02-05 | 2009-08-13 | Denki Kagaku Kogyo Kabushiki Kaisha | アクリルゴム |
EP2292687B1 (en) * | 2009-09-03 | 2012-07-25 | Rhein Chemie Rheinau GmbH | Improved vulcanisable guanidine-free mixtures containing ethylene acrylate (AEM), polyacrylate (ACM) and/or hydrogenated acrylnitrile (HNBR)-based rubbers compounds, vulcanisates, prepared by cross-linking this vulcanisable mixtures and their use |
US8479876B2 (en) | 2010-06-16 | 2013-07-09 | Shiloh Industries, Inc. | Sound damping patch |
TWI509007B (zh) | 2010-10-06 | 2015-11-21 | Vanderbilt Chemicals Llc | 彈性體產品及其製造方法 |
CN102617964B (zh) * | 2010-12-28 | 2016-03-09 | 山东美晨科技股份有限公司 | 一种应用于曲轴箱通风管的丙烯酸酯橡胶配制原料 |
US8403390B2 (en) | 2011-03-10 | 2013-03-26 | Shiloh Industries, Inc. | Vehicle panel assembly and method of attaching the same |
JP2015137322A (ja) * | 2014-01-23 | 2015-07-30 | 日本ゼオン株式会社 | 架橋性アクリルゴム組成物およびゴム架橋物 |
GB201513555D0 (en) | 2015-07-31 | 2015-09-16 | Pss Belgium Nv | Audio system |
CN105440643A (zh) * | 2015-12-28 | 2016-03-30 | 张桂华 | 一种减震合成橡胶及其制备方法 |
WO2018147142A1 (ja) * | 2017-02-09 | 2018-08-16 | 日本ゼオン株式会社 | アクリルゴム |
JPWO2019087788A1 (ja) * | 2017-11-02 | 2020-09-24 | Nok株式会社 | エチレンアクリレートゴム組成物とその成形品 |
WO2019163468A1 (ja) * | 2018-02-21 | 2019-08-29 | 日本ゼオン株式会社 | アクリルゴム組成物、架橋ゴム積層体及び燃料ホース |
CN113950493B (zh) * | 2019-06-13 | 2022-08-05 | 优迈特株式会社 | 丙烯酸系橡胶及其交联性组合物 |
CN114174355B (zh) | 2019-09-30 | 2023-08-22 | 电化株式会社 | 丙烯酸类橡胶、交联性橡胶组合物及橡胶固化物 |
CN114790320B (zh) * | 2022-05-11 | 2023-04-07 | 山东海益橡胶科技有限公司 | 低粘度高强度丙烯酸酯橡胶混炼胶及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11100478A (ja) * | 1997-09-26 | 1999-04-13 | Nippon Mektron Ltd | アクリル系エラストマー組成物 |
JPH11140264A (ja) * | 1997-10-31 | 1999-05-25 | Nippon Mektron Ltd | アクリル系エラストマー組成物 |
JPH11343378A (ja) * | 1998-03-30 | 1999-12-14 | Nippon Zeon Co Ltd | 耐油性ホース用ゴム組成物及び耐油性ホース |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2524977A (en) * | 1947-02-12 | 1950-10-10 | Us Rubber Co | Vulcanizing with quinone oximes |
US5252675A (en) * | 1984-05-21 | 1993-10-12 | Showa Denko K.K. | Cured product of a modified multiplex ethylene copolymer |
US5115006A (en) * | 1987-02-16 | 1992-05-19 | Nippon Zeon Co., Ltd. | Rubber composition |
JPH1180488A (ja) * | 1997-09-05 | 1999-03-26 | Nippon Mektron Ltd | アクリル系エラストマー組成物 |
US6512051B2 (en) * | 1998-01-22 | 2003-01-28 | The Yokohama Rubber Co., Ltd. | Elastomer composition |
JP3717302B2 (ja) * | 1998-03-19 | 2005-11-16 | ユニマテック株式会社 | アクリル系エラストマー組成物 |
US6407179B1 (en) * | 1999-11-02 | 2002-06-18 | Denki Kagaku Kogyo Kabushiki Kaisha | Acrylic rubber and its composition |
JP4505913B2 (ja) * | 1999-12-24 | 2010-07-21 | ユニマテック株式会社 | アクリル系エラストマー組成物およびその架橋性組成物 |
JP2001207008A (ja) * | 2000-01-28 | 2001-07-31 | Nippon Zeon Co Ltd | アクリルゴム組成物、架橋性アクリルゴム組成物およびその架橋物 |
-
2001
- 2001-03-06 JP JP2001061145A patent/JP4273671B2/ja not_active Expired - Lifetime
-
2002
- 2002-03-06 WO PCT/JP2002/002076 patent/WO2002072697A1/ja active IP Right Grant
- 2002-03-06 CN CN02809180.9A patent/CN1219820C/zh not_active Expired - Lifetime
- 2002-03-06 EP EP02702762A patent/EP1378539B1/en not_active Expired - Lifetime
- 2002-03-06 DE DE60216254T patent/DE60216254T2/de not_active Expired - Lifetime
- 2002-03-06 US US10/469,933 patent/US20040110905A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11100478A (ja) * | 1997-09-26 | 1999-04-13 | Nippon Mektron Ltd | アクリル系エラストマー組成物 |
JPH11140264A (ja) * | 1997-10-31 | 1999-05-25 | Nippon Mektron Ltd | アクリル系エラストマー組成物 |
JPH11343378A (ja) * | 1998-03-30 | 1999-12-14 | Nippon Zeon Co Ltd | 耐油性ホース用ゴム組成物及び耐油性ホース |
Non-Patent Citations (1)
Title |
---|
See also references of EP1378539A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7056986B2 (en) | 2001-10-30 | 2006-06-06 | Denki Kagaku Kogyo Kabushiki Kaisha | Ethylene-acrylic copolymer rubber composition |
Also Published As
Publication number | Publication date |
---|---|
JP2002265737A (ja) | 2002-09-18 |
US20040110905A1 (en) | 2004-06-10 |
JP4273671B2 (ja) | 2009-06-03 |
CN1219820C (zh) | 2005-09-21 |
EP1378539B1 (en) | 2006-11-22 |
DE60216254T2 (de) | 2007-06-14 |
CN1505659A (zh) | 2004-06-16 |
DE60216254D1 (de) | 2007-01-04 |
EP1378539A4 (en) | 2006-03-29 |
EP1378539A1 (en) | 2004-01-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2002072697A1 (fr) | Composition et vulcanisat de caoutchouc acrylique | |
JP5664672B2 (ja) | 架橋性ゴム組成物およびゴム架橋物 | |
EP3263629B1 (en) | Cross-linked rubber product | |
WO2005030859A1 (ja) | 架橋性ゴム組成物及び架橋物 | |
CN1302068C (zh) | 丙烯酸橡胶组合物以及交联物 | |
JP5041225B2 (ja) | 架橋性アクリルゴム組成物およびその架橋物 | |
JP2011001428A (ja) | アクリルゴム組成物およびその架橋物 | |
JP3663859B2 (ja) | アクリル系エラストマー組成物 | |
WO2005082960A1 (ja) | アクリルゴム及び架橋性アクリルゴム組成物 | |
US7169856B2 (en) | Vulcanizable acrylic rubber composition and vulcanizate | |
WO2003004563A1 (fr) | Elastomere acrylique comportant un groupe carboxylique dans la molecule, composition elastomere acrylique contenant un agent de vulcanisation et un accelerateur de vulcanisation, et utilisation associee | |
JPH11343378A (ja) | 耐油性ホース用ゴム組成物及び耐油性ホース | |
WO2019003342A1 (ja) | アクリルゴム、およびそのゴム架橋物 | |
JP2001207008A (ja) | アクリルゴム組成物、架橋性アクリルゴム組成物およびその架橋物 | |
WO2007026596A1 (ja) | ゴム組成物および架橋物 | |
JP4844536B2 (ja) | 加硫性アクリルゴム組成物および加硫物 | |
JP2001040166A (ja) | ゴム組成物およびその架橋物 | |
JP2006096862A (ja) | 架橋性ゴム組成物及び架橋物 | |
JPH07331035A (ja) | アクリル系エラストマー組成物 | |
JP2010254725A (ja) | アクリルゴム組成物およびその架橋物 | |
JP2002294008A (ja) | エチレン・アクリルゴム組成物 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN KR US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2002702762 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 028091809 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10469933 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 2002702762 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 2002702762 Country of ref document: EP |