CN1594436A - Macromolecular hot-melting damping materials and method for preparing same - Google Patents
Macromolecular hot-melting damping materials and method for preparing same Download PDFInfo
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- CN1594436A CN1594436A CN 200410035402 CN200410035402A CN1594436A CN 1594436 A CN1594436 A CN 1594436A CN 200410035402 CN200410035402 CN 200410035402 CN 200410035402 A CN200410035402 A CN 200410035402A CN 1594436 A CN1594436 A CN 1594436A
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Abstract
The invention discloses a macromolecular hot-melting damping material and method for preparing same, wherein the material is prepared from thermoplastic butadiene styrene rubber 8-17 parts, asphalt modification agent 10-5 parts, hard asphalt 7-10 parts, soft asphalt 13-18 parts, mica powder 30-40 parts, silicon powder 20-30 parts, light calcium carbonate 3-8 parts through mixing, gel preparation and sheeting.
Description
(1) technical field:
The present invention relates to the damping material technical field, is hot-fusible high-molecular type damping material of a kind of vibration damping, noise reduction, sound insulation, good heat-insulation effect and preparation method thereof specifically.
(2) background technology:
At present, reinforcement along with environmental consciousness, people more and more pay attention to every environmental protection index of product, particularly for more and more flourishing automobile industry, the internal car noise value ubiquity of the various automobiles of producing the problem of exceeding standard, for noise reduction, now Chang Yong noise reducing damping material mostly is the damping material that pitch is made, the patent No. is the patent of invention of ZL85104749.1, its denomination of invention is a wide temperature domain high damping material, when using it for the damping material use of automobile industry, because baking finish for car needs through high bake, above-mentioned materials is prone to foaming in bake process, sagging and obvious shrinkage phenomenon, shrinking percentage＞5%, like this, bubbling, sagging, autobody sheet is come out in the contraction place, thereby makes the vibration damping of automobile, noise reduction, sound insulation, effect of heat insulation is had a strong impact on.
(3) summary of the invention:
Purpose of the present invention is intended to overcome the deficiency of above-mentioned prior art, and the hot-fusible high-molecular type damping material of a kind of vibration damping, noise reduction, sound insulation, good heat-insulation effect is provided, and mainly solves the problem of existing damping material vibration damping, noise reduction, sound insulation, effect of heat insulation difference.
Another object of the present invention provides a kind of preparation method of hot-fusible high-molecular type damping material.
In order to achieve the above object, the present invention is achieved in that hot-fusible high-molecular type damping material, it is made through mixing, refining glue, compressing tablet by the following weight proportion raw material, thermoplastic styrene butadiene rubber 8-17 part, pitch remodeling agent 10-15 part, gilsonite 7-10 part, viscid bitumen 13-18 part, mica powder 30-40 part, silica flour 20-30 part, light calcium carbonate 3-8 part.
Realize a kind of scheme preferably of the object of the invention, hot-fusible high-molecular type damping material, the weight proportion of each raw material is: thermoplastic styrene butadiene rubber 10-15 part, pitch remodeling agent 11-14 part, gilsonite 8-9 part, viscid bitumen 14-17 part, mica powder 32-38 part, silica flour 22-28 part, light calcium carbonate 4-7 part.
Realize a kind of preferred plan of the object of the invention, hot-fusible high-molecular type damping material, the weight proportion of each raw material is: 12.5 parts of thermoplastic styrene butadiene rubbers, 12.5 parts of agent of pitch remodeling, 8.5 parts of gilsonite, 15.5 parts of viscid bitumens, 35 parts of mica powders, 25 parts of silica flours, 5.5 parts of light calcium carbonates.
Hot-fusible high-molecular type damping material of the present invention, its described thermoplastic styrene butadiene rubber is SBS1301-1 and SBS4303, and wherein SBS1301-1 is the 3-7 part in thermoplastic styrene butadiene rubber 8-17 part, and SBS4303 is the 5-10 part in thermoplastic styrene butadiene rubber 8-17 part; Described mica powder is 40 orders and 60 purposes, and the two respectively accounts for 1/2nd of mica powder total amount.
The preparation method of hot-fusible high-molecular type damping material of the present invention comprises following processing step:
A mixes mica powder, silica flour, light calcium carbonate;
B puts into the 1-7% of thermoplastic styrene butadiene rubber and gilsonite total amount simultaneously and to be pressed into flaky high molecule alloy material in the rubber mixing machine;
C, with gilsonite add in the rubber mixing machine mix with above-mentioned high molecule alloy material be pressed into add the agent of pitch remodeling again after the sheet, viscid bitumen is pressed into sheet once more;
D in mixing process, puts into the mixture of the mica powder that mixed, silica flour, light calcium carbonate in the rubber mixing machine again, mixes with the flaked product that is pressed into, and is pressed into flaky hot-fusible high-molecular type damping material
Compared with the prior art hot-fusible high-molecular type damping material of the present invention has outstanding substantive distinguishing features and marked improvement, owing to adopt new prescription and preparation method, thereby the toughness and the elasticity of damping material have been increased, improved the mechanical property of damping material, the damping value height of damping material in addition, nontoxic, pollution-free, there is not any radioactivity, nonflammable, non-foaming, do not shrink (shrinking percentage≤1%), sagging not, cementability is good, damping material can intactly bond together with automobile bottom steel plate, and seam crossing does not stay the slit, integral body covers the automobile bottom, and effect of vibration and noise reduction is good.Its key technical indexes and the contrast of existing damping material are as follows:
Project I II
Damping factor tan δ 〉=0.3 〉=0.4
Tensile strength Mpa＞2.4＞2.4
Tearing toughness KN/m 15 15
The temperature of being fuming degree＞140＞200
The moon in storage time 36 48
High bake bubbles non-foaming
The high bake sagging is not or not
High bake shrinking percentage＞5%≤1%
Thermal fluidity mm＜15＜5
Illustrate: I is existing damping material; II is a damping material of the present invention.
(4) embodiment:
In order to understand better and to implement, describe hot-fusible high-molecular type damping material of the present invention and preparation method thereof in detail below in conjunction with embodiment.
Embodiment 1, accurately take by weighing 5 kilograms of thermoplastic styrene butadiene rubbers (SBS1301-1), 12.5 kilograms of thermoplastic styrene butadiene rubbers (SBS4303), 12.5 kilograms of pitch remodeling agent, 8.5 kilograms of gilsonite, 15.5 kilograms of viscid bitumens, 17.5 kilograms of 40 order mica powders, 17.5 kilograms of 60 order mica powders, 25 kilograms of silica flours, 5.5 kilograms of light calcium carbonates, earlier with mica powder, silica flour, light calcium carbonate mixes, again thermoplastic styrene butadiene rubber and 0.34 kilogram of gilsonite are put into simultaneously and be pressed into flaky high molecule alloy material in the rubber mixing machine, afterwards gilsonite is added in the rubber mixing machine to mix and add the agent of pitch remodeling again after being pressed into sheet with above-mentioned high molecule alloy material, viscid bitumen is pressed into sheet once more, at last in mixing process, with the mica powder that has mixed, silica flour, the mixture of light calcium carbonate is put in the rubber mixing machine again, mix with the flaked product that is pressed into, be pressed into flaky hot-fusible high-molecular type damping material.
Embodiment 2, accurately take by weighing 4 kilograms of thermoplastic styrene butadiene rubbers (SBS1301-1), 6 kilograms of thermoplastic styrene butadiene rubbers (SBS4303), 11 kilograms of pitch remodeling agent, 8 kilograms of gilsonite, 14 kilograms of viscid bitumens, 16 kilograms of 40 order mica powders, 16 kilograms of 60 order mica powders, 22 kilograms of silica flours, 4 kilograms of light calcium carbonates, earlier with mica powder, silica flour, light calcium carbonate mixes, again thermoplastic styrene butadiene rubber and 0.16 kilogram of gilsonite are put into simultaneously and be pressed into flaky high molecule alloy material in the rubber mixing machine, afterwards gilsonite is added in the rubber mixing machine to mix and add the agent of pitch remodeling again after being pressed into sheet with above-mentioned high molecule alloy material, viscid bitumen is pressed into sheet once more, at last in mixing process, with the mica powder that has mixed, silica flour, the mixture of light calcium carbonate is put in the rubber mixing machine again, mix with the flaked product that is pressed into, be pressed into flaky hot-fusible high-molecular type damping material.
Embodiment 3, accurately take by weighing 6 kilograms of thermoplastic styrene butadiene rubbers (SBS1301-1), 9 kilograms of thermoplastic styrene butadiene rubbers (SBS4303), 14 kilograms of pitch remodeling agent, 9 kilograms of gilsonite, 17 kilograms of viscid bitumens, 19 kilograms of 40 order mica powders, 19 kilograms of 60 order mica powders, 28 kilograms of silica flours, 7 kilograms of light calcium carbonates, earlier with mica powder, silica flour, light calcium carbonate mixes, again thermoplastic styrene butadiene rubber and 0.54 kilogram of gilsonite are put into simultaneously and be pressed into flaky high molecule alloy material in the rubber mixing machine, afterwards gilsonite is added in the rubber mixing machine to mix and add the agent of pitch remodeling again after being pressed into sheet with above-mentioned high molecule alloy material, viscid bitumen is pressed into sheet once more, at last in mixing process, with the mica powder that has mixed, silica flour, the mixture of light calcium carbonate is put in the rubber mixing machine again, mix with the flaked product that is pressed into, be pressed into flaky hot-fusible high-molecular type damping material.
Embodiment 4, accurately take by weighing 3 kilograms of thermoplastic styrene butadiene rubbers (SBS1301-1), 5 kilograms of thermoplastic styrene butadiene rubbers (SBS4303), 10 kilograms of pitch remodeling agent, 7 kilograms of gilsonite, 13 kilograms of viscid bitumens, 15 kilograms of 40 order mica powders, 15 kilograms of 60 order mica powders, 20 kilograms of silica flours, 5 kilograms of light calcium carbonates, earlier with mica powder, silica flour, light calcium carbonate mixes, again thermoplastic styrene butadiene rubber and 0.07 kilogram of gilsonite are put into simultaneously and be pressed into flaky high molecule alloy material in the rubber mixing machine, afterwards gilsonite is added in the rubber mixing machine to mix and add the agent of pitch remodeling again after being pressed into sheet with above-mentioned high molecule alloy material, viscid bitumen is pressed into sheet once more, at last in mixing process, with the mica powder that has mixed, silica flour, the mixture of light calcium carbonate is put in the rubber mixing machine again, mix with the flaked product that is pressed into, be pressed into flaky hot-fusible high-molecular type damping material.
Embodiment 5, accurately take by weighing 7 kilograms of thermoplastic styrene butadiene rubbers (SBS1301-1), 10 kilograms of thermoplastic styrene butadiene rubbers (SBS4303), 15 kilograms of pitch remodeling agent, 10 kilograms of gilsonite, 18 kilograms of viscid bitumens, 20 kilograms of 40 order mica powders, 20 kilograms of 60 order mica powders, 30 kilograms of silica flours, 8 kilograms of light calcium carbonates, earlier with mica powder, silica flour, light calcium carbonate mixes, again thermoplastic styrene butadiene rubber and 0.7 kilogram of gilsonite are put into simultaneously and be pressed into flaky high molecule alloy material in the rubber mixing machine, afterwards gilsonite is added in the rubber mixing machine to mix and add the agent of pitch remodeling again after being pressed into sheet with above-mentioned high molecule alloy material, viscid bitumen is pressed into sheet once more, at last in mixing process, with the mica powder that has mixed, silica flour, the mixture of light calcium carbonate is put in the rubber mixing machine again, mix with the flaked product that is pressed into, be pressed into flaky hot-fusible high-molecular type damping material.
Claims (6)
1, hot-fusible high-molecular type damping material, it is made through mixing, refining glue, compressing tablet by the following weight proportion raw material, thermoplastic styrene butadiene rubber 8-17 part, pitch remodeling agent 10-15 part, gilsonite 7-10 part, viscid bitumen 13-18 part, mica powder 30-40 part, silica flour 20-30 part, light calcium carbonate 3-8 part.
2, by the described hot-fusible high-molecular type of claim 1 damping material, the weight proportion of each raw material is: thermoplastic styrene butadiene rubber 10-15 part, pitch remodeling agent 11-14 part, gilsonite 8-9 part, viscid bitumen 14-17 part, mica powder 32-38 part, silica flour 22-28 part, light calcium carbonate 4-7 part.
3, by the described hot-fusible high-molecular type of claim 2 damping material, the weight proportion of each raw material is: 12.5 parts of thermoplastic styrene butadiene rubbers, 12.5 parts of agent of pitch remodeling, 8.5 parts of gilsonite, 15.5 parts of viscid bitumens, 35 parts of mica powders, 25 parts of silica flours, 5.5 parts of light calcium carbonates.
4, by claim 1 or 2 or 3 described hot-fusible high-molecular type damping materials, it is characterized in that described thermoplastic styrene butadiene rubber is SBS1301-1 and SBS4303, wherein SBS1301-1 is the 3-7 part in thermoplastic styrene butadiene rubber 8-17 part, and SBS4303 is the 5-10 part in thermoplastic styrene butadiene rubber 8-17 part.
5, by claim 1 or 2 or 3 described hot-fusible high-molecular type damping materials, it is characterized in that described mica powder is 40 orders and 60 purposes, the two respectively accounts for 1/2nd of mica powder total amount.
6, the preparation method of the described hot-fusible high-molecular type of claim 1 damping material comprises following processing step:
A mixes mica powder, silica flour, light calcium carbonate;
B puts into the 1-7% of thermoplastic styrene butadiene rubber and gilsonite total amount simultaneously and to be pressed into flaky high molecule alloy material in the rubber mixing machine;
C, with gilsonite add in the rubber mixing machine mix with above-mentioned high molecule alloy material be pressed into add the agent of pitch remodeling again after the sheet, viscid bitumen is pressed into sheet once more;
D in mixing process, puts into the mixture of the mica powder that mixed, silica flour, light calcium carbonate in the rubber mixing machine again, mixes with the flaked product that is pressed into, and is pressed into flaky hot-fusible high-molecular type damping material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410035402 CN1284830C (en) | 2004-07-13 | 2004-07-13 | Macromolecular hot-melting damping materials and method for preparing same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410035402 CN1284830C (en) | 2004-07-13 | 2004-07-13 | Macromolecular hot-melting damping materials and method for preparing same |
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| Publication Number | Publication Date |
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| CN1594436A true CN1594436A (en) | 2005-03-16 |
| CN1284830C CN1284830C (en) | 2006-11-15 |
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| CN 200410035402 Withdrawn - After Issue CN1284830C (en) | 2004-07-13 | 2004-07-13 | Macromolecular hot-melting damping materials and method for preparing same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654561B (en) * | 2008-08-22 | 2011-11-02 | 株洲时代新材料科技股份有限公司 | Modified asphalt hot-melt damping material for vehicles and preparation method and construction method thereof |
| CN103436040A (en) * | 2013-08-27 | 2013-12-11 | 上海依科绿色工程有限公司 | Resource utilization and treatment process of waste lime stone powder containing paint slag |
| CN104194367A (en) * | 2014-09-12 | 2014-12-10 | 广州市恩威曲新材料有限公司 | Damping, shock-absorption and acoustic-damping material as well as preparation method and application thereof |
| CN106147246A (en) * | 2015-03-26 | 2016-11-23 | 上海通用汽车有限公司 | Damping mat and include its automobile structure |
| CN108559285A (en) * | 2018-04-20 | 2018-09-21 | 江苏同盟汽车零部件实业有限公司 | A kind of anti-viscous bitumen damping mat and preparation method thereof |
| CN109679169A (en) * | 2018-11-23 | 2019-04-26 | 陶伟珍 | A kind of damping sound insulation styrene-butadiene rubber and preparation method thereof |
-
2004
- 2004-07-13 CN CN 200410035402 patent/CN1284830C/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654561B (en) * | 2008-08-22 | 2011-11-02 | 株洲时代新材料科技股份有限公司 | Modified asphalt hot-melt damping material for vehicles and preparation method and construction method thereof |
| CN103436040A (en) * | 2013-08-27 | 2013-12-11 | 上海依科绿色工程有限公司 | Resource utilization and treatment process of waste lime stone powder containing paint slag |
| CN103436040B (en) * | 2013-08-27 | 2015-07-22 | 上海依科绿色工程有限公司 | Resource utilization and treatment process of waste lime stone powder containing paint slag |
| CN104194367A (en) * | 2014-09-12 | 2014-12-10 | 广州市恩威曲新材料有限公司 | Damping, shock-absorption and acoustic-damping material as well as preparation method and application thereof |
| CN106147246A (en) * | 2015-03-26 | 2016-11-23 | 上海通用汽车有限公司 | Damping mat and include its automobile structure |
| CN108559285A (en) * | 2018-04-20 | 2018-09-21 | 江苏同盟汽车零部件实业有限公司 | A kind of anti-viscous bitumen damping mat and preparation method thereof |
| CN109679169A (en) * | 2018-11-23 | 2019-04-26 | 陶伟珍 | A kind of damping sound insulation styrene-butadiene rubber and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN1284830C (en) | 2006-11-15 |
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