CN102061022B - Novel rubber activator and preparation method thereof - Google Patents
Novel rubber activator and preparation method thereof Download PDFInfo
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- CN102061022B CN102061022B CN2010105750025A CN201010575002A CN102061022B CN 102061022 B CN102061022 B CN 102061022B CN 2010105750025 A CN2010105750025 A CN 2010105750025A CN 201010575002 A CN201010575002 A CN 201010575002A CN 102061022 B CN102061022 B CN 102061022B
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Abstract
The invention discloses a novel rubber activator and a preparation method thereof. The rubber activator particularly comprises 20 to 80 percent of aromatic group-containing formic acid type metal salt and 20 to 80 percent of zinc oxide, wherein the aromatic group-containing formic acid type metal salt is mixed with the zinc oxide at normal temperature and the two are stirred for 5 to 15 minutes at the rotation speed of between 2,000 and 3,500rpm. Compared with the prior art, the problems of high zinc content and high heavy metal element content in the zinc oxide can be effectively solved, density is reduced, dispersibility is improved, and the novel rubber activator improves rubber tensile property, broken chain elongation rate and rubber cross-linking effect.
Description
Technical field
The present invention relates to a kind of rubber and use acvator.
Background technology
In order to accelerate vulcanization rate and raising state of vulcanization, the rubber acvator is absolutely necessary rubber ingredients in vulcanization of rubber process.From the eighties of last century twenty or thirty age, zinc oxide is used till today in rubber as acvator always, is that consumption is maximum now, the rubber acvator that market capacity is maximum.Yet zinc oxide has zinc content height, and contents of heavy metal elements such as lead, manganese, copper are high, and density is big, vice propers such as dispersing property difference, and a large amount of uses of zinc oxide have constituted huge environmental protection and have threatened.Therefore, actively seek and research and develop zinc oxide substitute or upgrading products have become the problem that rubber industry is paid special attention to, low zinc content or do not have the zinc acvator and will become trend of the times.Ai Teen has produced a kind of new type rubber acvator of low zinc environment-friendly high-efficiency through scientific and technical innovation for many years and the research and development of a large amount of industrial performance test.
The object of the invention is exactly that a kind of problem that can effectively solve zinc oxide environmental protection aspect will be provided, and can improve the rubber acvator of the crosslinked action of rubber tensile property, chain rupture elongation and rubber again.
Summary of the invention
The objective of the invention is to solve traditional rubber acvator---the shortcoming that zinc oxide exists, and the physicals of raising rubber.
The technical scheme that realizes the object of the invention is:
A kind of new type rubber acvator, it consists of: 20%-80% contains the formic acid metalloid salt of aromatic group and the zinc oxide of 20%-80%.
The said formic acid metalloid salt that contains aromatic group can be E 213, magnesium benzoate, Zinc dibenzoate, potassium benzoate, Sodium Benzoate, Barium dibenzoate, lead benzoate, aluminum benzoate, phenylformic acid iron, calcium phthalate, magnesium phthalate, zinc phthalate, phthalic acid potassium, sodium phthalate, phthalic acid barium, O-phthalic lead plumbate, phthalic acid aluminium, phthalic acid iron, m-phthalic acid calcium, m-phthalic acid magnesium, m-phthalic acid zinc, m-phthalic acid potassium, m-phthalic acid sodium, m-phthalic acid barium, m-phthalic acid iron, m-phthalic acid lead, m-phthalic acid aluminium, terephthalic acid calcium, terephthalic acid magnesium, terephthalic acid zinc, potassium terephthalate, para-phthalic sodium, terephthalic acid barium, terephthaldehyde's lead plumbate, terephthalic acid aluminium, terephthalic acid iron, 1,2,3-benzene tricarboxylic acid calcium, 1,2,3-benzene tricarboxylic acid magnesium, 1; 2,3-benzene tricarboxylic acid zinc, 1,2,3-benzene tricarboxylic acid potassium, 1,2; 3-benzene tricarboxylic acid sodium, 1,2,3-benzene tricarboxylic acid barium, 1,2,3-benzene tricarboxylic acid lead, 1; 2,3-benzene tricarboxylic acid aluminium, 1,2,3-benzene tricarboxylic acid iron, 1,2; 4-benzene tricarboxylic acid calcium, 1,2,4-benzene tricarboxylic acid magnesium, 1,2,4-benzene tricarboxylic acid zinc, 1; 2,4-benzene tricarboxylic acid potassium, 1,2,4-benzene tricarboxylic acid sodium, 1,2; 4-benzene tricarboxylic acid barium, 1,2,4-benzene tricarboxylic acid lead, 1,2,4-benzene tricarboxylic acid aluminium, 1; 2,4-benzene tricarboxylic acid iron, 1,3,5-benzene tricarboxylic acid calcium, 1,3; 5-benzene tricarboxylic acid magnesium, 1,3,5-benzene tricarboxylic acid zinc, 1,3,5-benzene tricarboxylic acid potassium, 1; 3,5-benzene tricarboxylic acid sodium, 1,3,5-benzene tricarboxylic acid barium, 1,3; 5-benzene tricarboxylic acid lead, 1,3,5-benzene tricarboxylic acid aluminium or 1,3,5-benzene tricarboxylic acid iron.
A kind of method for preparing the new type rubber acvator: under the normal temperature condition, the formic acid metalloid salt that will contain aromatic group mixes with zinc oxide, under the rotating speed of 2000rpm-3500rpm, stirs 5min-15min.
Because the formic acid metalloid salt pair zinc oxide that contains aromatic group among the present invention has good synergy to make whole activation performance not reduce; Therefore new type rubber acvator of the present invention can solve the shortcoming of zinc oxide; As reduce zinc content and contents of heavy metal elements; Reduce density, self excellent dispersing property of new type rubber acvator helps the dispersion in sizing material of carbon black or WHITE CARBON BLACK, can also prevent the phenomenons such as gel, conglomeration of sizing material.In addition, new type rubber acvator equivalent substitution zinc oxide of the present invention, not only physicals does not reduce, and characteristics such as rubber tensile property, elongation at break improve on the contrary, and the crosslinked action of rubber is also effectively improved.
Embodiment
Embodiment 1
Under the normal temperature condition, 40% m-phthalic acid magnesium is mixed with 60% zinc oxide, under the rotating speed of 3500rpm, stir 5min and promptly get rubber acvator of the present invention.
Embodiment 2
Under the normal temperature condition, 50% terephthalic acid calcium is mixed with 50% zinc oxide, under the rotating speed of 3500rpm, stir 5min and promptly get rubber acvator of the present invention.
Embodiment 3
Under the normal temperature condition, 20% Zinc dibenzoate is mixed with 80% zinc oxide, under the rotating speed of 3500rpm, stir 10min and promptly get rubber acvator of the present invention.
Embodiment 4
Under the normal temperature condition, 30% sodium phthalate is mixed with 70% zinc oxide, under the rotating speed of 3000rpm, stir 15min and promptly get rubber acvator of the present invention.
Embodiment 5
Under the normal temperature condition, with 60%1,2,3-benzene tricarboxylic acid potassium mixes with 40% zinc oxide, under the rotating speed of 2000rpm, stirs 15min and promptly gets rubber acvator of the present invention.
Embodiment 6
Under the normal temperature condition, with 70%1,2,4-benzene tricarboxylic acid barium mixes with 30% zinc oxide, under the rotating speed of 3500rpm, stirs 10min and promptly gets rubber acvator of the present invention.
Embodiment 7
Under the normal temperature condition, with 80%1,3, the plumbous zinc oxide with 20% of 5-benzene tricarboxylic acid mixes, and under the rotating speed of 3000rpm, stirs 10min and promptly gets rubber acvator of the present invention.
Embodiment 8
Under the normal temperature condition, 45% m-phthalic acid calcium is mixed with 55% zinc oxide, under the rotating speed of 3500rpm, stir 10min and promptly get rubber acvator of the present invention.
Embodiment 9
Under the normal temperature condition, 55% terephthalic acid magnesium is mixed with 45% zinc oxide, under the rotating speed of 3000rpm, stir 12min and promptly get rubber acvator of the present invention.
Embodiment 10
Under the normal temperature condition, 25% aluminum benzoate is mixed with 75% zinc oxide, under the rotating speed of 2000rpm, stir 15min and promptly get rubber acvator of the present invention.
Embodiment 11
Under the normal temperature condition, 35% phthalic acid iron is mixed with 65% zinc oxide, under the rotating speed of 3500rpm, stir 8min and promptly get rubber acvator of the present invention.
Embodiment 12
Under the normal temperature condition, with 65%1,2,3-benzene tricarboxylic acid zinc mixes with 35% zinc oxide, under the rotating speed of 2500rpm, stirs 14min and promptly gets rubber acvator of the present invention.
Embodiment 13
Under the normal temperature condition, with 75%1,2,4-benzene tricarboxylic acid iron mixes with 25% zinc oxide, under the rotating speed of 3500rpm, stirs 7min and promptly gets rubber acvator of the present invention.
Embodiment 14
Under the normal temperature condition, with 29%1,3,5-benzene tricarboxylic acid barium mixes with 71% zinc oxide, under the rotating speed of 3000rpm, stirs 8min and promptly gets rubber acvator of the present invention.
Embodiment 15
Under the normal temperature condition, 21% m-phthalic acid potassium is mixed with 79% zinc oxide, under the rotating speed of 3000rpm, stir 9min and promptly get rubber acvator of the present invention.
Embodiment 16
Under the normal temperature condition, 22% para-phthalic sodium is mixed with 78% zinc oxide, under the rotating speed of 3000rpm, stir 10min and promptly get rubber acvator of the present invention.
Embodiment 17
Under the normal temperature condition, 23% lead benzoate is mixed with 77% zinc oxide, under the rotating speed of 3000rpm, stir 11min and promptly get rubber acvator of the present invention.
Embodiment 18
Under the normal temperature condition, 24% phthalic acid aluminium is mixed with 76% zinc oxide, under the rotating speed of 3000rpm, stir 12min and promptly get rubber acvator of the present invention.
Embodiment 19
Under the normal temperature condition, with 51%1,2,3-benzene tricarboxylic acid calcium mixes with 49% zinc oxide, under the rotating speed of 3400rpm, stirs 13min and promptly gets rubber acvator of the present invention.
Embodiment 20
Under the normal temperature condition, with 26%1,2,4-benzene tricarboxylic acid magnesium mixes with 74% zinc oxide, under the rotating speed of 3300rpm, stirs 13min and promptly gets rubber acvator of the present invention.
Embodiment 21
Under the normal temperature condition, with 27%1,3,5-benzene tricarboxylic acid zinc mixes with 73% zinc oxide, under the rotating speed of 3200rpm, stirs 13min and promptly gets rubber acvator of the present invention.
Embodiment 22
Under the normal temperature condition, 28% m-phthalic acid aluminium is mixed with 72% zinc oxide, under the rotating speed of 3100rpm, stir 13min and promptly get rubber acvator of the present invention.
Embodiment 23
Under the normal temperature condition, 52% terephthalic acid iron is mixed with 48% zinc oxide, under the rotating speed of 2900rpm, stir 13min and promptly get rubber acvator of the present invention.
Embodiment 24
Under the normal temperature condition, 31% Barium dibenzoate is mixed with 69% zinc oxide, under the rotating speed of 2800rpm, stir 13min and promptly get rubber acvator of the present invention.
Embodiment 25
Under the normal temperature condition, 32% O-phthalic lead plumbate is mixed with 68% zinc oxide, under the rotating speed of 2700rpm, stir 13min and promptly get rubber acvator of the present invention.
Embodiment 26
Under the normal temperature condition, with 33%1,2,3-benzene tricarboxylic acid aluminium mixes with 67% zinc oxide, under the rotating speed of 2600rpm, stirs 13min and promptly gets rubber acvator of the present invention.
Embodiment 27
Under the normal temperature condition, with 34%1,2,4-benzene tricarboxylic acid potassium mixes with 66% zinc oxide, under the rotating speed of 2400rpm, stirs 13min and promptly gets rubber acvator of the present invention.
Embodiment 28
Under the normal temperature condition, with 53%1,3,5-benzene tricarboxylic acid calcium mixes with 47% zinc oxide, under the rotating speed of 2300rpm, stirs 13min and promptly gets rubber acvator of the present invention.
Embodiment 29
Under the normal temperature condition, 36% m-phthalic acid barium is mixed with 64% zinc oxide, under the rotating speed of 2200rpm, stir 13min and promptly get rubber acvator of the present invention.
Embodiment 30
Under the normal temperature condition, 37% terephthalic acid zinc is mixed with 63% zinc oxide, under the rotating speed of 3500rpm, stir 15min and promptly get rubber acvator of the present invention.
Embodiment 31
Under the normal temperature condition, 38% potassium benzoate is mixed with 62% zinc oxide, under the rotating speed of 3500rpm, stir 14min and promptly get rubber acvator of the present invention.
Embodiment 32
Under the normal temperature condition, 39% magnesium phthalate is mixed with 61% zinc oxide, under the rotating speed of 3500rpm, stir 13min and promptly get rubber acvator of the present invention.
Embodiment 33
Under the normal temperature condition, with 54%1,2,3-benzene tricarboxylic acid barium mixes with 46% zinc oxide, under the rotating speed of 3500rpm, stirs 12min and promptly gets rubber acvator of the present invention.
Embodiment 34
Under the normal temperature condition, with 41%1,2, the plumbous zinc oxide with 59% of 4-benzene tricarboxylic acid mixes, and under the rotating speed of 3500rpm, stirs 11min and promptly gets rubber acvator of the present invention.
Embodiment 35
Under the normal temperature condition, with 42%1,3,5-benzene tricarboxylic acid aluminium mixes with 58% zinc oxide, under the rotating speed of 3500rpm, stirs 10min and promptly gets rubber acvator of the present invention.
Embodiment 36
Under the normal temperature condition, 43% m-phthalic acid iron is mixed with 57% zinc oxide, under the rotating speed of 3500rpm, stir 9min and promptly get rubber acvator of the present invention.
Embodiment 37
Under the normal temperature condition, 44% terephthaldehyde's lead plumbate is mixed with 56% zinc oxide, under the rotating speed of 3500rpm, stir 8min and promptly get rubber acvator of the present invention.
Embodiment 38
Under the normal temperature condition, 56% magnesium benzoate is mixed with 44% zinc oxide, under the rotating speed of 3500rpm, stir 7min and promptly get rubber acvator of the present invention.
Embodiment 39
Under the normal temperature condition, 46% zinc phthalate is mixed with 54% zinc oxide, under the rotating speed of 3500rpm, stir 6min and promptly get rubber acvator of the present invention.
Embodiment 40
Under the normal temperature condition, with 47%1,2,3-benzene tricarboxylic acid sodium mixes with 53% zinc oxide, under the rotating speed of 3500rpm, stirs 5min and promptly gets rubber acvator of the present invention.
Embodiment 41
Under the normal temperature condition, with 48%1,2,4-benzene tricarboxylic acid sodium mixes with 52% zinc oxide, under the rotating speed of 2000rpm, stirs 15min and promptly gets rubber acvator of the present invention.
Embodiment 42
Under the normal temperature condition, with 49%1,3,5-benzene tricarboxylic acid sodium mixes with 51% zinc oxide, under the rotating speed of 2000rpm, stirs 14min and promptly gets rubber acvator of the present invention.
Embodiment 43
Under the normal temperature condition, the plumbous zinc oxide with 43% of 57% m-phthalic acid is mixed, under the rotating speed of 2000rpm, stir 13min and promptly get rubber acvator of the present invention.
Embodiment 44
Under the normal temperature condition, 58% terephthalic acid aluminium is mixed with 42% zinc oxide, under the rotating speed of 2000rpm, stir 12min and promptly get rubber acvator of the present invention.
Embodiment 45
Under the normal temperature condition, 59% phenylformic acid iron is mixed with 41% zinc oxide, under the rotating speed of 2000rpm, stir 11min and promptly get rubber acvator of the present invention.
Embodiment 46
Under the normal temperature condition, 61% calcium phthalate is mixed with 39% zinc oxide, under the rotating speed of 2000rpm, stir 10min and promptly get rubber acvator of the present invention.
Embodiment 47
Under the normal temperature condition, with 62%1,2,3-benzene tricarboxylic acid magnesium mixes with 38% zinc oxide, under the rotating speed of 2000rpm, stirs 9min and promptly gets rubber acvator of the present invention.
Embodiment 48
Under the normal temperature condition, with 63%1,2,4-benzene tricarboxylic acid zinc mixes with 37% zinc oxide, under the rotating speed of 2000rpm, stirs 8min and promptly gets rubber acvator of the present invention.
Embodiment 49
Under the normal temperature condition, with 64%1,3,5-benzene tricarboxylic acid potassium mixes with 36% zinc oxide, under the rotating speed of 2000rpm, stirs 7min and promptly gets rubber acvator of the present invention.
Embodiment 50
Under the normal temperature condition, 66% m-phthalic acid sodium is mixed with 34% zinc oxide, under the rotating speed of 2000rpm, stir 6min and promptly get rubber acvator of the present invention.
Embodiment 51
Under the normal temperature condition, 67% terephthalic acid barium is mixed with 33% zinc oxide, under the rotating speed of 2000rpm, stir 5min and promptly get rubber acvator of the present invention.
Embodiment 52
Under the normal temperature condition, 68% E 213 is mixed with 32% zinc oxide, under the rotating speed of 3000rpm, stir 9min and promptly get rubber acvator of the present invention.
Embodiment 53
Under the normal temperature condition, 69% phthalic acid potassium is mixed with 31% zinc oxide, under the rotating speed of 3000rpm, stir 8min and promptly get rubber acvator of the present invention.
Embodiment 54
Under the normal temperature condition, with 71%1,2,3-benzene tricarboxylic acid iron mixes with 29% zinc oxide, under the rotating speed of 3000rpm, stirs 7min and promptly gets rubber acvator of the present invention.
Embodiment 55
Under the normal temperature condition, with 72%1,2,4-benzene tricarboxylic acid calcium mixes with 28% zinc oxide, under the rotating speed of 3000rpm, stirs 6min and promptly gets rubber acvator of the present invention.
Embodiment 56
Under the normal temperature condition, with 73%1,3,5-benzene tricarboxylic acid magnesium mixes with 27% zinc oxide, under the rotating speed of 3000rpm, stirs 5min and promptly gets rubber acvator of the present invention.
Embodiment 57
Under the normal temperature condition, 74% m-phthalic acid zinc is mixed with 26% zinc oxide, under the rotating speed of 3000rpm, stir 15min and promptly get rubber acvator of the present invention.
Embodiment 58
Under the normal temperature condition, 76% potassium terephthalate is mixed with 24% zinc oxide, under the rotating speed of 3000rpm, stir 14min and promptly get rubber acvator of the present invention.
Embodiment 59
Under the normal temperature condition, 77% Sodium Benzoate is mixed with 23% zinc oxide, under the rotating speed of 3000rpm, stir 13min and promptly get rubber acvator of the present invention.
Embodiment 60
Under the normal temperature condition, 78% phthalic acid barium is mixed with 22% zinc oxide, under the rotating speed of 3000rpm, stir 12min and promptly get rubber acvator of the present invention.
Embodiment 61
Under the normal temperature condition, with 79%1,2, the plumbous zinc oxide with 21% of 3-benzene tricarboxylic acid mixes, and under the rotating speed of 3000rpm, stirs 11min and promptly gets rubber acvator of the present invention.
Embodiment 62
Under the normal temperature condition, with 20%1,2,4-benzene tricarboxylic acid aluminium mixes with 80% zinc oxide, under the rotating speed of 3000rpm, stirs 13min and promptly gets rubber acvator of the present invention.
Embodiment 63
Under the normal temperature condition, with 80%1,3,5-benzene tricarboxylic acid iron mixes with 20% zinc oxide, under the rotating speed of 3000rpm, stirs 10min and promptly gets rubber acvator of the present invention.
Claims (1)
1. method for preparing the rubber acvator is characterized in that: under the normal temperature condition, with 29%1,3,5-benzene tricarboxylic acid barium mixes with 71% zinc oxide, under the rotating speed of 3000rpm, stirs 8min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010105750025A CN102061022B (en) | 2010-12-07 | 2010-12-07 | Novel rubber activator and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105750025A CN102061022B (en) | 2010-12-07 | 2010-12-07 | Novel rubber activator and preparation method thereof |
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| CN102061022A CN102061022A (en) | 2011-05-18 |
| CN102061022B true CN102061022B (en) | 2012-08-22 |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2470958C1 (en) * | 2011-07-29 | 2012-12-27 | Государственное образовательное учреждение высшего профессионального образования Волгоградский государственный технический университет (ВолгГТУ) | Method of producing elastomeric metal-containing composite materials |
| CN103173845B (en) * | 2012-01-12 | 2015-06-03 | 江苏爱特恩高分子材料有限公司 | Production method and application of terephthalic metal slat whisker |
| CN102775636A (en) * | 2012-08-03 | 2012-11-14 | 华东理工大学 | Zinc active agent composition for rubber vulcanization |
| CN103819825B (en) * | 2014-01-27 | 2016-04-13 | 江苏爱特恩高分子材料有限公司 | A kind of production method of environment-friendly type butyl reclaimed rubber |
| RU2541797C1 (en) * | 2014-02-11 | 2015-02-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Волгоградский государственный технический университет" (ВолгГТУ) | Method of obtaining electroconductive elastomer metal-containing compositions |
| CN104987530A (en) * | 2015-07-16 | 2015-10-21 | 山东阳谷华泰化工股份有限公司 | High-dispersion and low-zinc activator for rubber, and preparation method thereof |
| CN106947112A (en) * | 2017-03-30 | 2017-07-14 | 江苏爱特恩高分子材料有限公司 | A kind of method that wet pulverizing coupling precipitation reaction prepares superfine nuclear structure magnesium hydroxide |
| CN107141428A (en) * | 2017-06-14 | 2017-09-08 | 常州市五洲环保科技有限公司 | A kind of rubber homogenizing agent and preparation method thereof |
| CN108467525B (en) * | 2018-04-21 | 2021-03-09 | 常州市五洲化工有限公司 | Special vulcanization system composition for carboxylated nitrile rubber and preparation method thereof |
| CN109337119B (en) * | 2018-09-25 | 2020-06-09 | 广东省稀有金属研究所 | Vulcanization activator and preparation method thereof |
| CN110117382A (en) * | 2019-06-13 | 2019-08-13 | 江西德弘新材料有限公司 | A kind of vulcanization of rubber activating agent and its preparation method and application |
| CN111548533A (en) * | 2020-06-09 | 2020-08-18 | 江西宝弘纳米科技有限公司 | Rubber vulcanization activator and preparation method and application thereof |
| CN111607128A (en) * | 2020-06-10 | 2020-09-01 | 江西宝弘纳米科技有限公司 | Preparation method of composite zinc oxide |
| CN112573560A (en) * | 2020-12-31 | 2021-03-30 | 常州市五洲化工有限公司 | Preparation method of high-dispersion zinc oxide |
| CN114479181B (en) * | 2022-01-20 | 2023-07-04 | 陕西金迪橡胶制品有限公司 | Rubber vulcanization activator, environment-friendly hydrogenated nitrile rubber and preparation method thereof |
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| US4154720A (en) * | 1978-07-26 | 1979-05-15 | Standard Oil Company (Indiana) | Rubber compositions containing zinc trimellitate |
| CN1832991A (en) * | 2003-08-07 | 2006-09-13 | 普立万公司 | Catalyst systems for elastomeric compositions |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002310870A1 (en) * | 2002-04-23 | 2003-11-10 | Pirelli Pneumatici S.P.A. | Tyre having a high wear resistance, tread band and elastomeric composition used therein |
| CN101531777B (en) * | 2009-03-31 | 2011-08-31 | 浙江巍翔科技有限公司 | Rubber peptizer |
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2010
- 2010-12-07 CN CN2010105750025A patent/CN102061022B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4154720A (en) * | 1978-07-26 | 1979-05-15 | Standard Oil Company (Indiana) | Rubber compositions containing zinc trimellitate |
| CN1832991A (en) * | 2003-08-07 | 2006-09-13 | 普立万公司 | Catalyst systems for elastomeric compositions |
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Application publication date: 20110518 Assignee: Jiangsu ATE Dongtai New Material Science & Technology Co., Ltd. Assignor: Jiangsu Ate Polymer Materials Co., Ltd. Contract record no.: 2013320000742 Denomination of invention: Novel rubber activator and preparation method thereof Granted publication date: 20120822 License type: Exclusive License Record date: 20131105 |
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