CN104004471A - Neoprene adhesive composition and preparation method of neoprene adhesive - Google Patents
Neoprene adhesive composition and preparation method of neoprene adhesive Download PDFInfo
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- CN104004471A CN104004471A CN201410225215.3A CN201410225215A CN104004471A CN 104004471 A CN104004471 A CN 104004471A CN 201410225215 A CN201410225215 A CN 201410225215A CN 104004471 A CN104004471 A CN 104004471A
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- styrene
- chloroprene rubber
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Abstract
The invention discloses a neoprene adhesive composition. The composition comprises neoprene, styrene-butadiene-styrene block copolymer, resorcinol formaldehyde resin, magnesium oxide and zinc oxide, wherein relative to 100 parts by weight of neoprene, the content of the styrene-butadiene-styrene block copolymer is 5-35 parts by weight, the content of resorcinol formaldehyde resin is 30-70 parts by weight, the content of magnesium oxide is 2-8 parts by weight, and the content of zinc oxide is 2-8 parts by weight. Through adding the styrene-butadiene-styrene block copolymer and resorcinol formaldehyde resin into the traditional neoprene adhesive, the adhesive property of the prepared adhesive is better, so that the problem of the ordinary neoprene adhesives that the product quality of rubber products is poor due to the fact that the rubber adhesion is not strong is solved.
Description
Technical field
The present invention relates to rubber adhesive, particularly, relate to the preparation method of a kind of neoprene adhesive composition and neoprene adhesive.
Background technology
Rubber adhesive is widely used in the preparation process of rubber item; neoprene adhesive is as the one of rubber adhesive; in rubber adhesive, use also comparatively general; but the neoprene adhesive using in prior art is generally chloroprene rubber and the single combination of solvent, thereby in sticking rubber goods, especially in the process of the different rubber item of bonding; often can cause boning insecure; easily the phenomenon such as loose, makes bond effect poor, and quality product is also affected greatly.
Therefore, provide a kind of adhesive property good, practical neoprene adhesive and preparation method thereof is the problem that the present invention needs solution badly.
Summary of the invention
For above-mentioned prior art, the object of the invention is to overcome existing neoprene adhesive bonding insecure, easily loose, the ropy problem of rubber product making, provides the preparation method of a kind of neoprene adhesive composition and neoprene adhesive.
To achieve these goals, the invention provides a kind of neoprene adhesive composition, wherein, described composition comprises chloroprene rubber, styrene-butadiene-styrene block copolymer, resorcinol formaldehyde resin, magnesium oxide and zinc oxide; With respect to the chloroprene rubber of 100 weight parts, described styrene-butadiene-styrene block copolymer is 5-35 weight part, and described resorcinol formaldehyde resin is 30-70 weight part, and described magnesium oxide is 2-8 weight part, and described zinc oxide is 2-8 weight part.
The present invention also provides the preparation method of neoprene adhesive, and wherein, the method comprises: above-mentioned neoprene adhesive composition is mixed with solvent;
Wherein, with respect to the chloroprene rubber of 100 weight parts, the consumption of described solvent is 550-850 weight part; Preferably, with respect to the chloroprene rubber of 100 weight parts, the consumption of described solvent is 650-750 weight part.
The present invention by adding styrene-butadiene-styrene block copolymer and resorcinol formaldehyde resin in traditional neoprene adhesive, and then make the bond properties of the tackiness agent making better, thereby it is not strong to rubber adhesion power to have solved common neoprene adhesive, cause the problem of rubber item poor product quality.
Other features and advantages of the present invention are described in detail the embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
The invention provides a kind of neoprene adhesive composition, wherein, described composition comprises chloroprene rubber, styrene-butadiene-styrene block copolymer, resorcinol formaldehyde resin, magnesium oxide and zinc oxide; With respect to the chloroprene rubber of 100 weight parts, described styrene-butadiene-styrene block copolymer is 5-35 weight part, and described resorcinol formaldehyde resin is 30-70 weight part, and described magnesium oxide is 2-8 weight part, and described zinc oxide is 2-8 weight part.
In order to reach better bonding effect, one of the present invention preferred embodiment in, with respect to the chloroprene rubber of 100 weight parts, described styrene-butadiene-styrene block copolymer is 10-20 weight part, described resorcinol formaldehyde resin is 45-55 weight part, described magnesium oxide is 4-6 weight part, and described zinc oxide is 3-5 weight part.
For the tackiness agent that makes to obtain can have better physicochemical property, and in mixing process more easily reaction, of the present invention another preferred embodiment in, described composition also comprises initiator, antiager and oxidation inhibitor; With respect to the chloroprene rubber of 100 weight parts, described initiator is 0.5-2 weight part, and described antiager is 0.5-2.5 weight part, and described oxidation inhibitor is 0.5-2 weight part.
In the present invention, described chloroprene rubber is the conventional chloroprene rubber using in this area, in order to reach better bonding effect, one of the present invention preferred embodiment in, described chloroprene rubber is that tensile yield is that 850-1000%, rebound degree are the chloroprene rubber that 60-80%, hardness are 55-70ShoreA;
Described styrene-butadiene-styrene block copolymer is the conventional product using in this area, for the tackiness agent that makes to make reaches better physicochemical property, viscosity is stronger, one of the present invention preferred embodiment in, the relative molecular mass of described styrene-butadiene-styrene block copolymer is 15-25 ten thousand.
In the present invention, described initiator, antiager and oxidation inhibitor can by this area routine use product, for example, described antiager can be N-phenyl-2-naphthylamine, 2, 2, 4-trimethylammonium-1, 2-dihydroquinoline polymkeric substance and 2-mercaptobenzimidazole etc., described oxidation inhibitor can be the two stearyl alcohol esters of thio-2 acid, the two stearyl alcohol esters and 2 of thio-2 acid, 6-di-t-butyl-4-cresols etc., in the present invention, for said composition can better be merged, obtain better physicochemical property, preferably, described initiator is benzoyl peroxide, described antiager is Resorcinol, described oxidation inhibitor is the two lauryls of thio-2 acid.
The present invention also provides a kind of preparation method of neoprene adhesive, and wherein, the method comprises: the neoprene adhesive composition described in any one in claim 1-5 is mixed with solvent;
Wherein, with respect to the chloroprene rubber of 100 weight parts, the consumption of described solvent is 550-850 weight part; Preferably, with respect to the chloroprene rubber of 100 weight parts, the consumption of described solvent is 650-750 weight part.
Described solvent can be adhesive solvent known in the field, and in the present invention, described solvent is preferably vinyl acetic monomer.
Below will describe the present invention by embodiment.
What need elaboration is, in following examples, described chloroprene rubber is that the elongation that the trade mark of Chongqing long service life work company limited is CR2442 is 900%, rebound degree is 70%, hardness is the commercially available product of 65ShoreA, described styrene-butadiene-styrene block copolymer is the commercially available product that relative molecular mass that the trade mark of Yueyang petrochemical industry company limited of Ba Ling Huaxing is YH-815 is 200,000, described resorcinol formaldehyde resin, described magnesium oxide, described zinc oxide, described toluene, described benzoyl peroxide, the two lauryls of described Resorcinol and described thio-2 acid are conventional commercially available product.
Embodiment 1
100g chloroprene rubber, 10g styrene-butadiene-styrene block copolymer, 45g resorcinol formaldehyde, 4g magnesium oxide, 3g zinc oxide and 650g solvent are placed in to colloidal sol still mix and blend 30 hours, obtain adhesive A 1.
Embodiment 2
100g chloroprene rubber, 15g styrene-butadiene-styrene block copolymer, 50g resorcinol formaldehyde, 5g magnesium oxide, 4g zinc oxide and 700g solvent are placed in to colloidal sol still mix and blend 30 hours, obtain adhesive A 2.
Embodiment 3
100g chloroprene rubber, 20g styrene-butadiene-styrene block copolymer, 55g resorcinol formaldehyde, 6g magnesium oxide, 5g zinc oxide and 750g solvent are placed in to colloidal sol still mix and blend 30 hours, obtain adhesive A 3.
Embodiment 4
Two to 100g chloroprene rubber, 10g styrene-butadiene-styrene block copolymer, 45g resorcinol formaldehyde, 4g magnesium oxide, 3g zinc oxide, 650g solvent, 0.5g benzoyl peroxide, 0.5g Resorcinol and 0.5g thio-2 acid lauryls are placed in to colloidal sol still mix and blend 30 hours, obtain adhesive A 4.
Embodiment 5
Two to 100g chloroprene rubber, 15g styrene-butadiene-styrene block copolymer, 50g resorcinol formaldehyde, 5g magnesium oxide, 4g zinc oxide, 700g solvent, 1.3g benzoyl peroxide, 1.5g Resorcinol and 1.3g thio-2 acid lauryls are placed in to colloidal sol still mix and blend 30 hours, obtain adhesive A 5.
Embodiment 6
Two to 100g chloroprene rubber, 20g styrene-butadiene-styrene block copolymer, 55g resorcinol formaldehyde, 6g magnesium oxide, 5g zinc oxide, 750g solvent, 2g benzoyl peroxide, 2.5g Resorcinol and 2g thio-2 acid lauryls are placed in to colloidal sol still mix and blend 30 hours, obtain adhesive A 6.
Embodiment 7
Two to 100g chloroprene rubber, 35g styrene-butadiene-styrene block copolymer, 70g resorcinol formaldehyde, 8g magnesium oxide, 8g zinc oxide, 850g solvent, 1.3g benzoyl peroxide, 1.5g Resorcinol and 1.3g thio-2 acid lauryls are placed in to colloidal sol still mix and blend 30 hours, obtain adhesive A 7.
Embodiment 8
Two to 100g chloroprene rubber, 5g styrene-butadiene-styrene block copolymer, 30g resorcinol formaldehyde, 2g magnesium oxide, 2g zinc oxide, 550g solvent, 1.3g benzoyl peroxide, 1.5g Resorcinol and 1.3g thio-2 acid lauryls are placed in to colloidal sol still mix and blend 30 hours, obtain adhesive A 8.
Comparative example 1
100g chloroprene rubber, 3g styrene-butadiene-styrene block copolymer, 10g resorcinol formaldehyde, 2g magnesium oxide, 1g zinc oxide and 450g solvent are placed in to colloidal sol still mix and blend 30 hours, obtain tackiness agent D1.
Comparative example 2
100g chloroprene rubber, 30g styrene-butadiene-styrene block copolymer, 100g resorcinol formaldehyde, 8g magnesium oxide, 7g zinc oxide and 950g solvent are placed in to colloidal sol still mix and blend 30 hours, obtain tackiness agent D2.
Test case
A1-A8, D1, D2, according to GB/T2794-2013 examination criteria, being used to NDJ-I type rotational viscosimeter, use No. 3 rotor, is the mensuration of under the test condition of 12 revs/min, it being carried out to viscosity at rotating speed, and result is as shown in table 1.
Table 1
| ? | Viscosity (mPa.s) |
| A1 | 3200 |
| A2 | 3100 |
| A3 | 3000 |
| A4 | 3800 |
| A5 | 3600 |
| A6 | 3500 |
| A7 | 2500 |
| A8 | 2100 |
| D1 | 1000 |
| D2 | 1200 |
As can be seen from Table 1, can find out from A1-A6, the chloroprene rubber, styrene-butadiene-styrene block copolymer and the resorcinol formaldehyde that mix by preferable range, and coordinate magnesium oxide, zinc oxide and solvent, the viscosity of the tackiness agent making is higher, can find out from A7 and A8, tackiness agent outside preferable range also has higher viscosity, but the viscosity within preferable range has had obvious reduction, can find out from D1 and D2, the adhesive viscosities that not prepared by ratio is within the scope of the present invention very poor.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, also can carry out arbitrary combination between various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (7)
1. a neoprene adhesive composition, is characterized in that, described composition comprises chloroprene rubber, styrene-butadiene-styrene block copolymer, resorcinol formaldehyde resin, magnesium oxide and zinc oxide; With respect to the chloroprene rubber of 100 weight parts, described styrene-butadiene-styrene block copolymer is 5-35 weight part, and described resorcinol formaldehyde resin is 30-70 weight part, and described magnesium oxide is 2-8 weight part, and described zinc oxide is 2-8 weight part.
2. composition according to claim 1, wherein, with respect to the chloroprene rubber of 100 weight parts, described styrene-butadiene-styrene block copolymer is 10-20 weight part, described resorcinol formaldehyde resin is 45-55 weight part, described magnesium oxide is 4-6 weight part, and described zinc oxide is 3-5 weight part.
3. composition according to claim 1, wherein, described composition also comprises initiator, antiager and oxidation inhibitor; With respect to the chloroprene rubber of 100 weight parts, described initiator is 0.5-2 weight part, and described antiager is 0.5-2.5 weight part, and described oxidation inhibitor is 0.5-2 weight part.
4. composition according to claim 1, wherein, described chloroprene rubber is that tensile yield is that 850-1000%, rebound degree are the chloroprene rubber that 60-80%, hardness are 55-70ShoreA;
The relative molecular mass of described styrene-butadiene-styrene block copolymer is 15-25 ten thousand.
5. composition according to claim 3, wherein, described initiator is benzoyl peroxide;
Described antiager is Resorcinol;
Described oxidation inhibitor is the two lauryls of thio-2 acid and/or the two stearyl alcohol esters of thio-2 acid.
6. a preparation method for neoprene adhesive, is characterized in that, the method comprises: the neoprene adhesive composition described in any one in claim 1-5 is mixed with solvent;
Wherein, with respect to the chloroprene rubber of 100 weight parts, the consumption of described solvent is 550-850 weight part; Preferably, with respect to the chloroprene rubber of 100 weight parts, the consumption of described solvent is 650-750 weight part.
7. preparation method according to claim 6, wherein, described solvent is vinyl acetic monomer.
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| CN109280518A (en) * | 2018-10-30 | 2019-01-29 | 南京承佑树脂有限公司 | The controllable diversification Forecast of Grafted Adhesive and preparation method thereof of grafting degree |
| CN113136118A (en) * | 2021-03-26 | 2021-07-20 | 湖南浩森胶业有限公司 | Preparation method of electronic glue |
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| CN101775263A (en) * | 2010-03-15 | 2010-07-14 | 日邦树脂(无锡)有限公司 | Moisture cured multi-constituties grafting solvent-based adhesive |
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| CN1654577A (en) * | 2005-01-14 | 2005-08-17 | 莫万全 | High strong adhesive and method for preparing same |
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| CN109280518A (en) * | 2018-10-30 | 2019-01-29 | 南京承佑树脂有限公司 | The controllable diversification Forecast of Grafted Adhesive and preparation method thereof of grafting degree |
| CN113136118A (en) * | 2021-03-26 | 2021-07-20 | 湖南浩森胶业有限公司 | Preparation method of electronic glue |
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Effective date of registration: 20191121 Address after: No. 10-702, Fenghuang street, Jiangpu street, Pukou District, Nanjing City, Jiangsu Province Patentee after: Nanjing Pukou Pucheng Asset Management Co., Ltd. Address before: 241000 Wuhu hi tech Industrial Development Zone, Anhui Road, No. 5 Patentee before: Wuhu Fengxue Rubber Co., Ltd. |
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