CN103045118A - Adhesive for acoustically transparent rubber vulcanized at sub-high temperature and preparation method - Google Patents
Adhesive for acoustically transparent rubber vulcanized at sub-high temperature and preparation method Download PDFInfo
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- CN103045118A CN103045118A CN2012105654845A CN201210565484A CN103045118A CN 103045118 A CN103045118 A CN 103045118A CN 2012105654845 A CN2012105654845 A CN 2012105654845A CN 201210565484 A CN201210565484 A CN 201210565484A CN 103045118 A CN103045118 A CN 103045118A
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Abstract
The invention discloses an adhesive for acoustically transparent rubber vulcanized at sub-high temperature and a preparation method. Polyisocyanate adhesive is taken as a base coat; and chloroprene rubber is plasticated, mixed and batched off to be swelled with acetone and 120# gasoline to prepare a top coat. The base coat of the adhesive has high activity and implements vulcanization at the temperature of 90 to 100 DEG C; the top coat adopts the chloroprene rubber so as to have high crystallinity and adhesive strength; thiourea, as a sub-high temperature vulcanization accelerator, has high vulcanization speed and implements vulcanization at the temperature of 90 to 100 DEG C; and the main component of the top coat is rubber, which is similar to the component of the acoustically transparent rubber and has a small influence on acoustic transparency.
Description
Technical field
The invention belongs to a kind of adhesive formulation and preparation method, particularly the high temperature vulcanized sound transmitting rubber in a kind of Asia sticks with glue agent prescription and preparation method.
Background technology
Sound transmitting rubber is mainly used in the water-lute field.In the sound wave transmittance process, sound transmitting rubber has the transmitance height, and the little characteristics that decay play vital effect to transmission and the reception of signal.
Sound transmitting rubber need to be by tackiness agent and metal sticking together.When using inferior high temperature vulcanized sound transmitting rubber and metal to carry out when bonding, supporting tackiness agent also must vulcanize under inferior hot conditions.At present, China also is not applied to inferior high temperature vulcanized sound transmitting rubber and the tackiness agent of metlbond, can only be from external import tackiness agent, and expensive, the supply time also can't guarantee.
Summary of the invention
The invention reside in and overcome above-mentioned defective, provide the high temperature vulcanized sound transmitting rubber in a kind of Asia to stick with glue agent and preparation method, tackiness agent of the present invention can vulcanize at 90 ℃-100 ℃, can carry out supportingly for the high temperature vulcanized sound transmitting rubber in Asia, and the tackiness agent of adhesion of rubber to metal is provided.
The objective of the invention is to be achieved through the following technical solutions: the high temperature vulcanized sound transmitting rubber in a kind of Asia sticks with glue agent, it is characterized in that: it comprises that primary coat and face are coated with, and the ratio of weight and number of each component is:
One, primary coat is received as primary coat with lek;
Two, face is coated with, take chloroprene rubber as 100 parts of basis amounts;
100 parts of chloroprene rubbers;
3～5 parts in magnesium oxide;
1～5 part of Vulcanization accelerator TMTD;
5～10 parts of carbon blacks;
1～5 part of antioxidant A;
5～10 parts in zinc oxide;
1～5 part of thiocarbamide;
200～300 parts in acetone;
200～300 parts in 120# gasoline.
Described Vulcanization accelerator TMTD is tetramethyl-thiuram disulfide.
Described antioxidant A is alpha-naphthylamine.
The high temperature vulcanized sound transmitting rubber in a kind of Asia sticks with glue the preparation method of agent, and it is characterized in that: it comprises the steps:
(1) carry out the each component batching according to following ratio of weight and number:
1, primary coat is received as primary coat with lek;
2, face is coated with, take chloroprene rubber as 100 parts of basis amounts;
100 parts of chloroprene rubbers;
3～5 parts in magnesium oxide;
1～5 part of Vulcanization accelerator TMTD;
5～10 parts of carbon blacks;
1～5 part of antioxidant A;
5～10 parts in zinc oxide;
1～5 part of thiocarbamide;
200～300 parts in acetone;
200～300 parts in 120# gasoline;
(2) preparation method is followed successively by:
1, the preparation method of primary coat:
Receive as primary coat with lek;
2, the preparation method that is coated with of face:
A, plasticate: with mill chloroprene rubber is plasticated, it is 30～60 that mooney viscosity is controlled at 100 ℃ of ML (1+4);
B, mixing:
With mill the chloroprene rubber broken-(down)rubber is carried out mixingly, the roller temperature control adds in the batching behind the magnesium oxide and Vulcanization accelerator TMTD in 55 ℃～65 ℃ successively, adds carbon black and antioxidant A again, adds at last zinc oxide and accelerant A;
C, lower: after the detection of sulfide film reaches following index, with the rubber unvulcanizate thin-pass, lower;
The examination criteria of sulfide film:
At 100 ℃, under the 120min cure conditions;
Vulcanization curve is; T10 is 10min～20min, and T90 is 45min～55min;
Detect qualified after, with flakiness under the rubber unvulcanizate, sheet thickness is controlled at 0.5mm～1mm;
D, get acetone in proportion, pour container into, lower good rubber unvulcanizate thin slice is put into solvent, stir 10min behind the swelling 2h, swelling 8-12h, restir 10min;
E, pour 120# gasoline in proportion, stir 10min, swelling 8-12h, restir 10min, without decorating film, the face of being is coated with to the container;
F, face are coated with 30 days shelf liveves below 10 ℃.
Described swelling process sealing.
Advantage of the present invention and beneficial effect are:
1, primary coat main component of the present invention is that lek is received, and lek is received active high, can be implemented under 90 ℃ of-100 ℃ of conditions and vulcanizes.
2, face of the present invention is coated with the employing chloroprene rubber, and as the high temperature vulcanized promotor in Asia, the chloroprene rubber crystallinity is strong with thiocarbamide, and bond strength is high; Thiocarbamide is fast as the promotor vulcanization rate, can be implemented under 90 ℃ of-100 ℃ of conditions to vulcanize.
3, to be coated with main component be rubber to the used face of the present invention, approaches with the sound transmitting rubber composition, little on the sound translative performance impact.
Embodiment:
Embodiment 1: the high temperature vulcanized sound transmitting rubber in a kind of Asia sticks with glue agent, prepares by following prescription:
Tackiness agent is coated with two portions by primary coat and face and forms, and it is as shown in the table that primary coat and face are coated with the ratio of weight and number of each raw material:
1, the preparation method of primary coat:
Receive as primary coat with lek, Lincheng, Hebei fine chemistry industry company produces.
2, the preparation method that is coated with of face:
With mill chloroprene rubber is plasticated, it is 30～60 that mooney viscosity is controlled at 100 ℃ of ML (1+4), carry out the chloroprene rubber broken-(down)rubber mixing with mill, the roller temperature control is in 55 ℃～65 ℃, add successively in the batching behind the magnesium oxide and Vulcanization accelerator TMTD, add again carbon black and antioxidant A, add at last zinc oxide and accelerant A, when the detection of sulfide film reaches at 100 ℃, under the 120min cure conditions, vulcanization curve is: T10 is 10min～20min, after T90 is 45min～55min, with the rubber unvulcanizate thin-pass, lower, sheet thickness is controlled at 0.5mm～1mm; Lower good rubber unvulcanizate thin slice is put into load weighted acetone, stir 10min, swelling 8-12h behind the swelling 2h, restir 10min, pour in proportion 120# gasoline into, stir 10min, swelling 8-12h, restir 10min, without decorating film, the face of being is coated with to the container, the swelling process sealing, prevent solvent evaporates, face is coated with 30 days shelf liveves below 10 ℃.
Adhesion of rubber to metal 90 degree stripping tests are carried out in adhesive applications high temperature vulcanized sound transmitting rubber and metal in the Asia bonding, and stripping strength is 13.9kN/m.
Tackiness agent of the present invention is applicable to inferior high temperature vulcanized sound transmitting rubber and metal and carries out bonding.
Embodiment 2: the high temperature vulcanized sound transmitting rubber in a kind of Asia sticks with glue agent, prepares by following prescription:
Tackiness agent is coated with two portions by primary coat and face and forms, and it is as shown in the table that primary coat and face are coated with the ratio of weight and number of each raw material:
According to the preparation method of embodiment 1, to make the solid sound transmitting rubber, and carry out adhesion of rubber to metal 90 degree stripping tests, stripping strength is 13.3kN/m.
Tackiness agent of the present invention is applicable to inferior high temperature vulcanized sound transmitting rubber and metal and carries out bonding.
Embodiment 3: the high temperature vulcanized sound transmitting rubber in a kind of Asia sticks with glue agent, and by the preparation of following prescription: tackiness agent is coated with two portions by primary coat and face and forms, and it is as shown in the table that primary coat and face are coated with the ratio of weight and number of each raw material:
According to the preparation method of embodiment 1, to make the solid sound transmitting rubber, and carry out adhesion of rubber to metal 90 degree stripping tests, stripping strength is 13.4kN/m.
Tackiness agent of the present invention is applicable to inferior high temperature vulcanized sound transmitting rubber and metal carries out bonding.
Claims (5)
1. the high temperature vulcanized sound transmitting rubber in Asia sticks with glue agent, it is characterized in that: it comprises that primary coat and face are coated with, and the ratio of weight and number of each component is:
(1), primary coat: receive as primary coat with lek;
(2), face is coated with, take chloroprene rubber as 100 parts of basis amounts;
100 parts of chloroprene rubbers;
3～5 parts in magnesium oxide;
1～5 part of Vulcanization accelerator TMTD;
5～10 parts of carbon blacks;
1～5 part of antioxidant A;
5～10 parts in zinc oxide;
1～5 part of thiocarbamide;
200～300 parts in acetone;
200～300 parts in 120# gasoline.
2. the high temperature vulcanized sound transmitting rubber in a kind of Asia sticks with glue agent as claimed in claim 1, it is characterized in that: described Vulcanization accelerator TMTD is tetramethyl-thiuram disulfide.
3. the high temperature vulcanized sound transmitting rubber in a kind of Asia sticks with glue agent as claimed in claim 1, it is characterized in that: described antioxidant A is alpha-naphthylamine.
4. the high temperature vulcanized sound transmitting rubber in the described Asia of claim 1 sticks with glue the preparation method of agent, and it is characterized in that: it comprises the steps:
(1) carry out the each component batching according to following ratio of weight and number:
(1), primary coat, receive as primary coat with lek;
(2), face is coated with, take chloroprene rubber as 100 parts of basis amounts;
100 parts of chloroprene rubbers;
3～5 parts in magnesium oxide;
1～5 part of Vulcanization accelerator TMTD;
5～10 parts of carbon blacks;
1～5 part of antioxidant A;
5～10 parts in zinc oxide;
1～5 part of thiocarbamide;
200～300 parts in acetone;
200～300 parts in 120# gasoline;
(2) preparation method is followed successively by:
(1), the preparation method of primary coat:
Receive as primary coat with lek;
(2), the preparation method that is coated with of face:
A, plasticate: with mill chloroprene rubber is plasticated, it is 30～60 that mooney viscosity is controlled at 100 ℃ of ML (1+4);
B, mixing:
With mill the chloroprene rubber broken-(down)rubber is carried out mixingly, the roller temperature control adds in the batching behind the magnesium oxide and Vulcanization accelerator TMTD in 55 ℃～65 ℃ successively, adds carbon black and antioxidant A again, adds at last zinc oxide and accelerant A;
C, lower: after the detection of sulfide film reaches following index, with the rubber unvulcanizate thin-pass, lower;
The examination criteria of sulfide film:
At 100 ℃, under the 120min cure conditions;
Vulcanization curve is; T10 is 10min～20min, and T90 is 45min～55min;
Detect qualified after, with flakiness under the rubber unvulcanizate, sheet thickness is controlled at 0.5mm～1mm;
D, get acetone in proportion, pour container into, lower good rubber unvulcanizate thin slice is put into solvent, stir 10min behind the swelling 2h, swelling 8-12h, restir 10min;
E, pour 120# gasoline in proportion, stir 10min, swelling 8-12h, restir 10min, without decorating film, the face of being is coated with to the container;
F, face are coated with 30 days shelf liveves below 10 ℃.
5. the high temperature vulcanized sound transmitting rubber in a kind of Asia as claimed in claim 4 sticks with glue the preparation method of agent, it is characterized in that: described swelling process sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105654845A CN103045118A (en) | 2012-12-24 | 2012-12-24 | Adhesive for acoustically transparent rubber vulcanized at sub-high temperature and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105654845A CN103045118A (en) | 2012-12-24 | 2012-12-24 | Adhesive for acoustically transparent rubber vulcanized at sub-high temperature and preparation method |
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| CN103045118A true CN103045118A (en) | 2013-04-17 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003027024A (en) * | 2001-07-17 | 2003-01-29 | Tosoh Corp | Chloroprene rubber latex adhesive composition for bonding sponge to jersey |
| CN101463232A (en) * | 2007-12-20 | 2009-06-24 | 天津市振海橡胶科技发展有限公司 | Special visco-elasticity adhesive for damping and construction method thereof |
| CN102504376A (en) * | 2011-11-07 | 2012-06-20 | 天津市橡胶工业研究所 | Sub-high temperature vulcanized solid sound-transmitting rubber and preparation method thereof |
-
2012
- 2012-12-24 CN CN2012105654845A patent/CN103045118A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003027024A (en) * | 2001-07-17 | 2003-01-29 | Tosoh Corp | Chloroprene rubber latex adhesive composition for bonding sponge to jersey |
| CN101463232A (en) * | 2007-12-20 | 2009-06-24 | 天津市振海橡胶科技发展有限公司 | Special visco-elasticity adhesive for damping and construction method thereof |
| CN102504376A (en) * | 2011-11-07 | 2012-06-20 | 天津市橡胶工业研究所 | Sub-high temperature vulcanized solid sound-transmitting rubber and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 《粘着》 19960215 李劲然 "列克纳胶的应用" 第29-32页，2.1部分 1-5 , 第1期 * |
| 李兰亭: "《胶粘剂与涂料》", 28 February 1992, 中国林业出版社, article ""第二节 氯丁橡胶胶粘剂"", pages: 126-131 * |
| 李劲然: ""列克纳胶的应用"", 《粘着》, no. 1, 15 February 1996 (1996-02-15) * |
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Application publication date: 20130417 |