CN105399997A - Composition used for preparing latex film product and prevulcanization process thereof - Google Patents
Composition used for preparing latex film product and prevulcanization process thereof Download PDFInfo
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- CN105399997A CN105399997A CN201511026626.0A CN201511026626A CN105399997A CN 105399997 A CN105399997 A CN 105399997A CN 201511026626 A CN201511026626 A CN 201511026626A CN 105399997 A CN105399997 A CN 105399997A
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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
- C08L7/00—Compositions of natural rubber
- C08L7/02—Latex
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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
- C08J5/18—Manufacture of films or sheets
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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
- C08J2307/00—Characterised by the use of natural rubber
- C08J2307/02—Latex
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Manufacturing & Machinery (AREA)
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Abstract
The invention discloses a composition used for preparing a latex film product. The composition comprises 93.85 to 97.7 wt% of natural latex, a peroxide vulcanizing agent and a corresponding vulcanization aid, and sulphur and a corresponding vulcanization aid. The invention also discloses a prevulcanization process for the composition used for preparing a latex film product. The process comprises the following steps: vulcanizing the natural latex in impregnation liquid containing the peroxide vulcanizing agent and the corresponding vulcanization aid; then adding the sulphur and the corresponding vulcanization aid and further vulcanizing the natural latex; and terminating vulcanization when the swelling coefficient of the natural latex in the impregnation liquid reaches 2.8 to 3.0 and cooling the impregnation liquid to 25 to 30 DEG C. The prepared latex film product has adjustable elongation and tensile modulus, good transparency, no smell of sulfide, and good heat ageing resistance and ozone resistance.
Description
Technical field
The present invention relates to the composition for the preparation of Emulsoid-film goods and pre-vulcanization process.
Background technology
Emulsoid-film goods are widely used in life.Composition for the preparation of Emulsoid-film take natural rubber latex as matrix, based on natural rubber latex, and the synergy of sulphur as vulcanizing agent, mix dipping solution according to a certain ratio and carry out prevulcanized, the mould of Emulsoid-film goods, be impregnated in the dipping solution after prevulcanized, Emulsoid-film goods can be obtained by conventional dip forming technology, comprise condom, gloves etc.
There is following problem in current thin film latex product: the elongation of Emulsoid-film goods and the adjustment difficulty of tensile modulus, the transparency is poor, also has the stink of sulfide, heat-proof aging and ozone poor performance, its nitrosamine and can the content of nitrosification amine high, all because the main component of natural emulsion is polyisoprene, in sulfidation, there is the free elemental sulfur not entering the cross-linking system of polyisoprene in this.Its consequence also can cause stimulation to the skin of user.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, providing a kind of composition for the preparation of Emulsoid-film goods, it makes its Emulsoid-film goods, elongation and tensile modulus adjustable, the transparency good, nonsulfide stink, heat-proof aging and ozone performance good.Present invention also offers a kind of pre-vulcanization process of the composition for the preparation of Emulsoid-film goods, also can realize above-mentioned technique effect.
A kind of technical scheme realizing above-mentioned purpose is: a kind of composition for the preparation of Emulsoid-film goods, comprising: the natural rubber latex of 93.85-97.7wt.%, and the vulcanization aid of peroxide vulcanizing agent and correspondence, and sulphur and corresponding vulcanization aid.
Further, described peroxide vulcanizing agent is tert-butyl peroxide, and its content is in the composition 0.3-1.0wt.%.
Further, the vulcanization aid corresponding with tert-butyl peroxide comprises tetraethylene pentamine, its content is in the composition 0.3-0.8wt.%, butyl acrylate, its content is in the composition 0.1 ~ 0.5wt.%, and polyoxyethylene laurel ether, its content is in the composition 0.1 ~ 0.5wt.%.
Further, the vulcanization aid corresponding with tert-butyl peroxide comprises fructose, and its content is in the composition 0.8-1.2wt.%, polyoxyethylene laurel ether, and its content in this combination is 0.1-0.5wt.%.
Further, in said composition, the content of sulphur is 0.2-0.5wt.%, corresponding vulcanization aid comprises: vulcanization leveller, its content is in the composition 0.60-1.0wt.%, vulcanization accelerator, its content is in the composition 0.1-0.5wt.%, antioxidant, and its content is in the composition 0.6-1.0wt.%.
Further, described vulcanization leveller is zinc carbonate, described vulcanization accelerator zinc dibutyl dithiocarbamate, described antioxidant be 2,6 di tert butyl 4 methyl phenol.
Further, also potassium hydroxide 0.02-0.1wt.% and sodium metnylene bis-naphthalene sulfonate 0.05-0.25wt.% is contained in said composition.
The another kind of technical scheme realizing above-mentioned purpose is: a kind of pre-vulcanization process of the composition for the preparation of Emulsoid-film goods, comprises the following steps:
Peroxide cure step: the vulcanization aid of natural rubber latex and peroxide vulcanizing agent and correspondence, individually be made into the aqueous solution or deionization aqueous-based dispersions, inject vulcanizing boiler, and add deionized water while stirring, be the dipping solution of 56%-58% to be made into the total solid concentration of natural rubber latex; And be warming up to 50-65 DEG C, to the natural rubber latex sulfuration in dipping solution;
Sulfur cross-linking step: by sulphur and corresponding vulcanization aid, is individually made into the aqueous solution or deionization aqueous-based dispersions, injects the dipping solution of described vulcanizing boiler, and be cooled to 45-55 DEG C, continues sulfuration to the natural rubber latex in dipping solution;
Sulfuration stops step: when the swelling coefficient of the natural rubber latex in dipping solution reaches 2.8-3.0, stops sulfuration, makes dipping solution be cooled to 25-30 DEG C.
Further, described peroxide vulcanizing agent is tert-butyl peroxide, corresponding vulcanization aid comprises tetraethylene pentamine, butyl acrylate and polyoxyethylene laurel ether, tert-butyl peroxide, tetraethylene pentamine, butyl acrylate and polyoxyethylene laurel ether are independently made into the aqueous solution or deionization aqueous-based dispersions, and all injection vulcanizing boiler is made into dipping solution.
Further, the vulcanization aid corresponding with sulphur comprises: vulcanization leveller, vulcanization accelerator and antioxidant, sulphur, vulcanization leveller, vulcanization accelerator and antioxidant are independently made into the aqueous solution or deionization aqueous-based dispersions, and all inject the dipping solution of vulcanizing boiler.
Have employed the technical scheme of a kind of composition for the preparation of Emulsoid-film goods of the present invention, comprise the natural rubber latex of 93.85-97.7wt.%, and the vulcanization aid of peroxide vulcanizing agent and correspondence, and sulphur and corresponding vulcanization aid.Its technique effect is: it makes its Emulsoid-film goods, elongation and tensile modulus adjustable, the transparency good, nonsulfide stink, heat-proof aging and ozone performance good.Have employed the technical scheme of the pre-vulcanization process of a kind of composition for the preparation of Emulsoid-film goods of the present invention, its by natural rubber latex in the dipping solution containing peroxide vulcanizing agent and corresponding vulcanization aid, carry out sulfuration, sulphur and the further sulfuration of corresponding vulcanization aid is added again in this dipping solution, and the swelling coefficient of natural rubber latex in dipping solution is when reaching 2.8-3.0, stop sulfuration, make dipping solution be cooled to 25-30 DEG C.Also above-mentioned technique effect can be realized.
Embodiment
The present inventor, in order to understand technical scheme of the present invention better, is described in detail below by embodiment particularly:
Embodiment 1
Should comprise for the preparation of the composition of Emulsoid-film goods: natural rubber latex 93.85wt.%;
Tert-butyl peroxide 1.0wt.%, tetraethylene pentamine 0.8wt.%, butyl acrylate 0.5wt.%, polyoxyethylene laurel ether 0.5wt.%;
Sulphur 0.5wt.%, zinc carbonate 1.0wt.%, zinc dibutyl dithiocarbamate 0.5wt.%, 2,6 di tert butyl 4 methyl phenol 1.0wt.%;
And potassium hydroxide 0.1wt.% and sodium metnylene bis-naphthalene sulfonate 0.25wt.%;
Natural rubber latex, tert-butyl peroxide, tetraethylene pentamine, butyl acrylate, polyoxyethylene laurel ether, potassium hydroxide and sodium metnylene bis-naphthalene sulfonate are independently made into the aqueous solution or deionization aqueous-based dispersions, whole injection vulcanizing boiler, the total solid concentration being made into natural rubber latex is the dipping solution of 56% ~ 58%, and be warming up to 50-65 DEG C, to the natural rubber latex sulfuration in dipping solution four hours;
By sulphur and zinc carbonate, zinc dibutyl dithiocarbamate, 2,6-di-tert-butyl-4-methy phenol, is individually made into the aqueous solution or deionization aqueous-based dispersions, injects the dipping solution of this vulcanizing boiler, and be cooled to 45-55 DEG C, sulfuration is continued to the natural rubber latex in dipping solution;
Sulfuration stops step: when the swelling coefficient of the natural rubber latex in dipping solution reaches 2.8-3.0, stops sulfuration, makes dipping solution be cooled to 25-30 DEG C.
Wherein tert-butyl peroxide is used as peroxide vulcanizing agent, and the vulcanization aid of its correspondence is tetraethylene pentamine, butyl acrylate, polyoxyethylene laurel ether.
The vulcanization aid that sulphur is corresponding, vulcanization leveller, vulcanization accelerator, and antioxidant is followed successively by: zinc carbonate, zinc dibutyl dithiocarbamate, 2,6 di tert butyl 4 methyl phenol.
Potassium hydroxide is pH adjusting agent, and sodium metnylene bis-naphthalene sulfonate is tensio-active agent.
Embodiment 2
Should comprise for the preparation of the composition of Emulsoid-film goods: the natural rubber latex of 97.7wt.%,
Tert-butyl peroxide 0.3wt.%, tetraethylene pentamine 0.3wt.%, butyl acrylate 0.1wt.%, polyoxyethylene laurel ether 0.1wt.%.
Sulphur 0.2wt.%, zinc carbonate 0.6wt.%, zinc dibutyl dithiocarbamate 0.1wt.%, 2,6 di tert butyl 4 methyl phenol 0.6wt.%.
Natural rubber latex, tert-butyl peroxide, tetraethylene pentamine, butyl acrylate, polyoxyethylene laurel ether are independently made into the aqueous solution or deionization aqueous-based dispersions, whole injection vulcanizing boiler, the total solid concentration being made into natural rubber latex is the dipping solution of 56% ~ 58%, and be warming up to 50-65 DEG C, to the natural rubber latex sulfuration in dipping solution four hours;
By sulphur and zinc carbonate, zinc dibutyl dithiocarbamate, 2,6-di-tert-butyl-4-methy phenol, is individually made into the aqueous solution or deionization aqueous-based dispersions, injects the dipping solution of this vulcanizing boiler, and be cooled to 45-55 DEG C, sulfuration is continued to the natural rubber latex in dipping solution;
Sulfuration stops step: when the swelling coefficient of the natural rubber latex in dipping solution reaches 2.8-3.0, stops sulfuration, makes dipping solution be cooled to 25-30 DEG C.
Embodiment 3
Should comprise for the preparation of the composition of Emulsoid-film goods: the natural rubber latex of 97.3wt.%,
Tert-butyl peroxide 0.3wt.%, fructose, its content is in the composition 0.8wt.% and polyoxyethylene laurel ether 0.1wt.%.
Sulphur 0.2wt.%, zinc carbonate 0.6wt.%, zinc dibutyl dithiocarbamate 0.1wt.%, 2,6 di tert butyl 4 methyl phenol 0.6wt.%.
Natural rubber latex, tert-butyl peroxide, fructose and polyoxyethylene laurel ether are independently made into the aqueous solution or deionization aqueous-based dispersions, whole injection vulcanizing boiler, the total solid concentration being made into natural rubber latex is the dipping solution of 56% ~ 58%, and be warming up to 50-65 DEG C, to the natural rubber latex sulfuration in dipping solution four hours;
By sulphur and zinc carbonate, zinc dibutyl dithiocarbamate, 2,6-di-tert-butyl-4-methy phenol, is individually made into the aqueous solution or deionization aqueous-based dispersions, injects the dipping solution of this vulcanizing boiler, and be cooled to 45-55 DEG C, sulfuration is continued to the natural rubber latex in dipping solution;
Sulfuration stops step: when the swelling coefficient of the natural rubber latex in dipping solution reaches 2.8-3.0, stops sulfuration, makes dipping solution be cooled to 25-30 DEG C.
Wherein tert-butyl peroxide is used as peroxide vulcanizing agent, and the vulcanization aid of its correspondence is fructose and polyoxyethylene laurel ether.
Embodiment 4
Should comprise for the preparation of the composition of Emulsoid-film goods: the natural rubber latex of 93.95wt.%,
Tert-butyl peroxide 1.0wt.%, fructose 1.2wt.% and polyoxyethylene laurel ether 0.5wt.%.
Sulphur 0.5wt.%, zinc carbonate 1.0wt.%, zinc dibutyl dithiocarbamate 0.5wt.%, 2,6 di tert butyl 4 methyl phenol 1.0wt.%.
Potassium hydroxide 0.1wt.% and sodium metnylene bis-naphthalene sulfonate 0.25wt.%.
Natural rubber latex, tert-butyl peroxide, fructose, polyoxyethylene laurel ether, potassium hydroxide and sodium metnylene bis-naphthalene sulfonate are independently made into the aqueous solution or deionization aqueous-based dispersions, whole injection vulcanizing boiler, the total solid concentration being made into natural rubber latex is the dipping solution of 56% ~ 58%, and be warming up to 50-65 DEG C, to the natural rubber latex sulfuration in dipping solution four hours;
By sulphur and zinc carbonate, zinc dibutyl dithiocarbamate, 2,6-di-tert-butyl-4-methy phenol, is individually made into the aqueous solution or deionization aqueous-based dispersions, injects the dipping solution of this vulcanizing boiler, and be cooled to 45-55 DEG C, sulfuration is continued to the natural rubber latex in dipping solution;
Sulfuration stops step: when the swelling coefficient of the natural rubber latex in dipping solution reaches 2.8-3.0, stops sulfuration, makes dipping solution be cooled to 25-30 DEG C.
Embodiment 5
Should comprise for the preparation of the composition of Emulsoid-film goods: the natural rubber latex of 95.93wt.%,
Tert-butyl peroxide 0.5wt.%, fructose 1.0wt.% and polyoxyethylene laurel ether 0.3wt.%.
Sulphur 0.3wt.%, zinc carbonate 0.8wt.%, zinc dibutyl dithiocarbamate 0.3wt.%, 2,6 di tert butyl 4 methyl phenol 0.8wt.%.
Potassium hydroxide 0.02wt.% and sodium metnylene bis-naphthalene sulfonate 0.05wt.%.
Natural rubber latex, tert-butyl peroxide, fructose, polyoxyethylene laurel ether, potassium hydroxide and sodium metnylene bis-naphthalene sulfonate are independently made into the aqueous solution or deionization aqueous-based dispersions, whole injection vulcanizing boiler, the total solid concentration being made into natural rubber latex is the dipping solution of 56% ~ 58%, and be warming up to 50-65 DEG C, to the natural rubber latex sulfuration in dipping solution four hours;
By sulphur and zinc carbonate, zinc dibutyl dithiocarbamate, 2,6-di-tert-butyl-4-methy phenol, is individually made into the aqueous solution or deionization aqueous-based dispersions, injects the dipping solution of this vulcanizing boiler, and be cooled to 45-55 DEG C, sulfuration is continued to the natural rubber latex in dipping solution;
Sulfuration stops step: when the swelling coefficient of the natural rubber latex in dipping solution reaches 2.8-3.0, stops sulfuration, makes dipping solution be cooled to 25-30 DEG C.
Embodiment 6
Should comprise for the preparation of the composition of Emulsoid-film goods: the natural rubber latex of 95.7wt.%,
Tert-butyl peroxide 0.6wt.%, tetraethylene pentamine 0.6wt.%, butyl acrylate 0.3wt.%, polyoxyethylene laurel ether 0.3wt.%.
Sulphur 0.4wt.%, zinc carbonate 0.8wt.%, zinc dibutyl dithiocarbamate 0.3wt.%, 2,6 di tert butyl 4 methyl phenol 0.8wt.%.
And potassium hydroxide 0.05wt.% and sodium metnylene bis-naphthalene sulfonate 0.15wt.%.
Natural rubber latex, tert-butyl peroxide, tetraethylene pentamine, butyl acrylate, polyoxyethylene laurel ether, potassium hydroxide and sodium metnylene bis-naphthalene sulfonate are independently made into the aqueous solution or deionization aqueous-based dispersions, whole injection vulcanizing boiler, the total solid concentration being made into natural rubber latex is the dipping solution of 56% ~ 58%, and be warming up to 50-65 DEG C, to the natural rubber latex sulfuration in dipping solution four hours;
By sulphur and zinc carbonate, zinc dibutyl dithiocarbamate, 2,6-di-tert-butyl-4-methy phenol, is individually made into the aqueous solution or deionization aqueous-based dispersions, injects the dipping solution of this vulcanizing boiler, and be cooled to 45-55 DEG C, sulfuration is continued to the natural rubber latex in dipping solution;
Sulfuration stops step: when the swelling coefficient of the natural rubber latex in dipping solution reaches 2.8-3.0, stops sulfuration, makes dipping solution be cooled to 25-30 DEG C.
Above-mentioned final dipping solution can obtain glue film article by dip forming.
A kind of composition for the preparation of Emulsoid-film goods of the present invention, peroxide vulcanizing agent and sulphur composite, and the change of proportioning between the two regulates the elongation of Emulsoid-film goods and the size of tensile modulus.And by peroxide oxidant and sulphur, sulfuration is carried out in gradation, make polyisoprene in natural rubber latex under peroxide vulcanizing agent effect, pass through free radical reaction, be cross-linked and become loose reticulated structure, be cross-linked with sulphur again, be conducive to the content of free elemental sulfur in less cross-linking system, Emulsoid-film goods are made to become more transparent, there is no sulfide stink, stimulate little to human body skin, use the aspect of performances such as Emulsoid-film goods heat-proof aging that sulphur is vulcanizing agent and ozone to have significantly to improve than simple, its nitrosamine and can the latex product that sulphur is vulcanizing agent be used significantly to reduce than simple by nitrosification amine content.
The above-mentioned composition for the preparation of Emulsoid-film goods, through dipping and sulfidization molding, can obtain latex product.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the present invention is described, and be not used as limitation of the invention, as long as in spirit of the present invention, all will drop in Claims scope of the present invention the change of the above embodiment, modification.
Claims (10)
1., for the preparation of a composition for Emulsoid-film goods, it is characterized in that:
It comprises: the natural rubber latex of 93.85-97.7wt.%, and the vulcanization aid of peroxide vulcanizing agent and correspondence, and sulphur and corresponding vulcanization aid.
2. a kind of composition for the preparation of Emulsoid-film goods according to claim 1, is characterized in that: described peroxide vulcanizing agent is tert-butyl peroxide, and its content is in the composition 0.3-1.0wt.%.
3. a kind of composition for the preparation of Emulsoid-film goods according to claim 2, it is characterized in that: the vulcanization aid corresponding with tert-butyl peroxide comprises tetraethylene pentamine, its content is in the composition 0.3-0.8wt.%, butyl acrylate, its content is in the composition 0.1 ~ 0.5wt.%, and polyoxyethylene laurel ether, its content is in the composition 0.1 ~ 0.5wt.%.
4. a kind of composition for the preparation of Emulsoid-film goods according to claim 2, it is characterized in that: the vulcanization aid corresponding with tert-butyl peroxide comprises fructose, its content is in the composition 0.8-1.2wt.%, polyoxyethylene laurel ether, its content in this combination is 0.1-0.5wt.%.
5. a kind of composition for the preparation of Emulsoid-film goods according to claim 1, it is characterized in that: in said composition, the content of sulphur is 0.2-0.5wt.%, corresponding vulcanization aid comprises: vulcanization leveller, its content is in the composition 0.60-1.0wt.%, vulcanization accelerator, its content is in the composition 0.1-0.5wt.%, antioxidant, and its content is in the composition 0.6-1.0wt.%.
6. a kind of composition for the preparation of Emulsoid-film goods according to claim 5, it is characterized in that: described vulcanization leveller is zinc carbonate, described vulcanization accelerator zinc dibutyl dithiocarbamate, described antioxidant are 2,6 di tert butyl 4 methyl phenol.
7. a kind of composition for the preparation of Emulsoid-film goods according to claim 1, is characterized in that: also containing potassium hydroxide 0.02-0.1wt.% and sodium metnylene bis-naphthalene sulfonate 0.05-0.25wt.% in said composition.
8., for the preparation of a pre-vulcanization process for the composition of Emulsoid-film goods, comprise the following steps:
Peroxide cure step: the vulcanization aid of natural rubber latex and peroxide vulcanizing agent and correspondence, individually be made into the aqueous solution or deionization aqueous-based dispersions, inject vulcanizing boiler, and add deionized water while stirring, be the dipping solution of 56%-58% to be made into the total solid concentration of natural rubber latex; And be warming up to 50-65 DEG C, to the natural rubber latex sulfuration in dipping solution;
Sulfur cross-linking step: by sulphur and corresponding vulcanization aid, is individually made into the aqueous solution or deionization aqueous-based dispersions, injects the dipping solution of described vulcanizing boiler, and be cooled to 45-55 DEG C, continues sulfuration to the natural rubber latex in dipping solution;
Sulfuration stops step: when the swelling coefficient of the natural rubber latex in dipping solution reaches 2.8-3.0, stops sulfuration, makes dipping solution be cooled to 25-30 DEG C.
9. the pre-vulcanization process of a kind of composition for the preparation of Emulsoid-film goods according to claim 8, it is characterized in that: described peroxide vulcanizing agent is tert-butyl peroxide, corresponding vulcanization aid comprises tetraethylene pentamine, butyl acrylate and polyoxyethylene laurel ether, tert-butyl peroxide, tetraethylene pentamine, butyl acrylate and polyoxyethylene laurel ether are independently made into the aqueous solution or deionization aqueous-based dispersions, and all injection vulcanizing boiler is made into dipping solution.
10. the pre-vulcanization process of a kind of composition for the preparation of Emulsoid-film goods according to claim 9, it is characterized in that: the vulcanization aid corresponding with sulphur comprises: vulcanization leveller, vulcanization accelerator and antioxidant, sulphur, vulcanization leveller, vulcanization accelerator and antioxidant are independently made into the aqueous solution or deionization aqueous-based dispersions, and all inject the dipping solution of vulcanizing boiler.
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| CN201511026626.0A CN105399997A (en) | 2015-12-31 | 2015-12-31 | Composition used for preparing latex film product and prevulcanization process thereof |
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| CN201511026626.0A CN105399997A (en) | 2015-12-31 | 2015-12-31 | Composition used for preparing latex film product and prevulcanization process thereof |
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| US11976180B2 (en) | 2018-09-14 | 2024-05-07 | Zeon Corporation | Xanthogen compound dispersion, conjugated-diene-based polymer latex composition, and film molded body |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10676597B2 (en) | 2016-10-26 | 2020-06-09 | J. Van Beugen Beheer B.V. | Inflatable stopper |
| US11345796B2 (en) | 2016-10-26 | 2022-05-31 | J. Van Beugen Beheer B.V. | Inflatable stopper |
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| WO2020054247A1 (en) * | 2018-09-14 | 2020-03-19 | 日本ゼオン株式会社 | Latex composition and film molded body |
| JPWO2020054247A1 (en) * | 2018-09-14 | 2021-08-30 | 日本ゼオン株式会社 | Latex composition and film molding |
| JP7435457B2 (en) | 2018-09-14 | 2024-02-21 | 日本ゼオン株式会社 | Latex composition and membrane molded product |
| US11976180B2 (en) | 2018-09-14 | 2024-05-07 | Zeon Corporation | Xanthogen compound dispersion, conjugated-diene-based polymer latex composition, and film molded body |
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