CN104004471B - The preparation method of neoprene adhesive composition and neoprene adhesive - Google Patents
The preparation method of neoprene adhesive composition and neoprene adhesive Download PDFInfo
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- CN104004471B CN104004471B CN201410225215.3A CN201410225215A CN104004471B CN 104004471 B CN104004471 B CN 104004471B CN 201410225215 A CN201410225215 A CN 201410225215A CN 104004471 B CN104004471 B CN 104004471B
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- styrene
- chloroprene rubber
- butadiene
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Abstract
The invention discloses 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; Relative 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.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 obtained better, thus it is not strong to rubber adhesion power to solve common neoprene adhesive, causes the problem of rubber item poor product quality.
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; use also comparatively general in rubber adhesive; but the neoprene adhesive used in prior art is generally chloroprene rubber and the single combination of solvent, thus in sticking rubber goods, especially in the process boning different rubber items; bonding often can be caused insecure; the easily phenomenon such as loose, make bond effect poor, 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 obtained ropy problem of rubber product, 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; Relative 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.
Present invention also offers the preparation method of neoprene adhesive, wherein, the method comprises: mixed with solvent by above-mentioned neoprene adhesive composition;
Wherein, relative to the chloroprene rubber of 100 weight parts, the consumption of described solvent is 550-850 weight part; Preferably, relative 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 obtained better, thus it is not strong to rubber adhesion power to solve common neoprene adhesive, causes the problem of rubber item poor product quality.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of 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; Relative 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, relative 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.
In order to make the tackiness agent obtained can have better physicochemical property, and more easily react in mixing process, of the present invention another preferred embodiment in, described composition also comprises initiator, antiager and oxidation inhibitor; Relative 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 chloroprene rubber that this area routine uses, in order to reach better bonding effect, one of the present invention preferred embodiment in, described chloroprene rubber is tensile yield is 850-1000%, rebound degree is 60-80%, hardness is the chloroprene rubber of 55-70ShoreA;
Described styrene-butadiene-styrene block copolymer is the product that this area routine uses, better physicochemical property is reached in order to make the tackiness agent obtained, 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 the product that uses by this area of routine, such as, 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 octadecyl of thio-2 acid, the two octadecyl and 2 of thio-2 acid, 6-di-t-butyl-4-cresols etc., in the present invention, can better merge to make said composition, obtain better physicochemical property, preferably, described initiator is benzoyl peroxide, described antiager is Resorcinol, described oxidation inhibitor is the two lauryl of thio-2 acid.
Present invention also offers a kind of preparation method of neoprene adhesive, wherein, the method comprises: mixed with solvent by the neoprene adhesive composition in claim 1-5 described in any one;
Wherein, relative to the chloroprene rubber of 100 weight parts, the consumption of described solvent is 550-850 weight part; Preferably, relative 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 be described the present invention by embodiment.
What need elaboration is, in following examples, the elongation of described chloroprene rubber to be the trade mark of Chongqing long service life work company limited be CR2442 is 900%, rebound degree is 70%, hardness is the commercially available product of 65ShoreA, the relative molecular mass of described styrene-butadiene-styrene block copolymer to be the trade mark of Yueyang petrochemical industry company limited of Ba Ling Huaxing be YH-815 is the commercially available product of 200,000, described resorcinol formaldehyde resin, described magnesium oxide, described zinc oxide, described toluene, described benzoyl peroxide, described Resorcinol and the two lauryl of described thio-2 acid are conventional commercial 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 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 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 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 lauryl is placed in colloidal sol still mix and blend 30 hours, obtains 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 lauryl is placed in colloidal sol still mix and blend 30 hours, obtains 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 lauryl is placed in colloidal sol still mix and blend 30 hours, obtains 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 lauryl is placed in colloidal sol still mix and blend 30 hours, obtains 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 lauryl is placed in colloidal sol still mix and blend 30 hours, obtains 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 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 colloidal sol still mix and blend 30 hours, obtain tackiness agent D2.
Test case
By A1-A8, D1, D2 according to GB/T2794-2013 examination criteria, use NDJ-I type rotational viscosimeter, use No. 3 rotors, be the mensuration of under the test condition of 12 revs/min, it being carried out to viscosity at rotating speed, 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, as can be seen from A1-A6, the chloroprene rubber mixed by preferable range, styrene-butadiene-styrene block copolymer and resorcinol formaldehyde, and coordinate magnesium oxide, zinc oxide and solvent, the viscosity of obtained tackiness agent is higher, as can be seen from A7 and A8, tackiness agent outside preferable range also has higher viscosity, but there is obvious reduction than the viscosity within preferable range, as can be seen from D1 and D2, the adhesive viscosities prepared of ratio is within the scope of the present invention not 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 characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different 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 (6)
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; Relative 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; Wherein,
Described chloroprene rubber is tensile yield is 850-1000%, rebound degree is 60-80%, hardness is the chloroprene rubber of 55-70ShoreA;
The relative molecular mass of described styrene-butadiene-styrene block copolymer is 15-25 ten thousand.
2. composition according to claim 1, wherein, relative 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; Relative 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; Wherein,
Described initiator is benzoyl peroxide;
Described antiager is Resorcinol;
Described oxidation inhibitor is the two lauryl of thio-2 acid and/or the two octadecyl of thio-2 acid.
4. a preparation method for neoprene adhesive, is characterized in that, the method comprises: mixed with solvent by the neoprene adhesive composition in claim 1-3 described in any one;
Wherein, relative to the chloroprene rubber of 100 weight parts, the consumption of described solvent is 550-850 weight part.
5. preparation method according to claim 4, wherein, relative to the chloroprene rubber of 100 weight parts, the consumption of described solvent is 650-750 weight part.
6. the preparation method according to claim 4 or 5, wherein, described solvent is vinyl acetic monomer.
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| CN1654577A (en) * | 2005-01-14 | 2005-08-17 | 莫万全 | High strong adhesive and method for preparing same |
| 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 |
| CN102250569A (en) * | 2011-05-19 | 2011-11-23 | 陕西科技大学 | Method for preparing modified rubber adhesive |
| CN103642428A (en) * | 2014-01-06 | 2014-03-19 | 江苏东禾电声配件有限公司 | Waterproof adhesive for loudspeaker assembly and preparation method of waterproof adhesive |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1654577A (en) * | 2005-01-14 | 2005-08-17 | 莫万全 | High strong adhesive and method for preparing same |
| 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 |
| CN102250569A (en) * | 2011-05-19 | 2011-11-23 | 陕西科技大学 | Method for preparing modified rubber adhesive |
| CN103642428A (en) * | 2014-01-06 | 2014-03-19 | 江苏东禾电声配件有限公司 | Waterproof adhesive for loudspeaker assembly and preparation method of waterproof adhesive |
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| 刘印文、刘振华."氯丁橡胶的配合剂".《氯丁橡胶配合、加工与应用》.化学工业出版社、材料科学与工程出版中心,2002,(第1版), * |
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