CN111748171A - Self-adhesive resin damping plate and preparation method thereof - Google Patents
Self-adhesive resin damping plate and preparation method thereof Download PDFInfo
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- CN111748171A CN111748171A CN202010687069.1A CN202010687069A CN111748171A CN 111748171 A CN111748171 A CN 111748171A CN 202010687069 A CN202010687069 A CN 202010687069A CN 111748171 A CN111748171 A CN 111748171A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2357/00—Characterised by the use of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C08J2357/02—Copolymers of mineral oil hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08J2423/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
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- Organic Chemistry (AREA)
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Abstract
The invention provides a self-adhesive resin damping plate which comprises the following components in parts by weight: 15-30 parts of tackifying resin, 3-8 parts of modified resin and 20-90 parts of powder, wherein the modified resin is an ethylene-octene copolymer and liquid polyisobutylene complex, and the modified resin comprises the following components in parts by mass: the invention not only can overcome the defect of larger hot processing smell of the traditional EVA material damping plate, but also has simple formula, high damping, self-adhesion effect and low cost.
Description
Technical Field
The invention relates to a damping plate, in particular to a self-adhesive resin damping plate and a preparation method thereof.
Background
The existing damping plate for the automobile usually takes asphalt as a main bonding material, has different degrees of odor according to different sources of the asphalt, and slowly releases micromolecular organic matters to bring certain pollution in the degradation process, and the water-based damping coating (LASD) adopted in the prior art has the defects of higher price and need to be put into spraying equipment, so that the technology is not completely mature so far, and the commonly used resin damping plate is more generally used for replacing the asphalt damping plate due to the fact that the commonly used resin damping plate has damping performance which is not weaker than the LASD, lower price and a simple construction mode;
at present, most of common resin damping plates are formed by processing and powder processing of artificial or natural rubber serving as a raw material, and common resin or high polymer materials are ethylene-vinyl acetate copolymer (EVA), carbon penta, terpene, rosin, butyl rubber and the like. The used filler is calcium carbonate, mica powder, sepiolite and the like; because the raw materials such as EVA, carbon five, terpene, rosin, carbon five resin, butyl rubber and the like have larger taste, particularly, the product after hot processing has larger taste, the smell is larger, and the main reason that the asphalt damping plate cannot be completely replaced at a later time, the used resin has larger activity and relatively poor aging resistance, the damping plate prepared by using the materials has higher price generally, and the damping plate prepared by using the materials has no advantage in the aspect of cost performance of products compared with the asphalt damping plate.
Disclosure of Invention
The invention aims to provide a self-adhesive resin damping plate and a preparation method thereof, which can overcome the defect of large smell in hot processing of the existing EVA material damping plate, and have the advantages of simple formula, high damping, self-adhesive effect and low cost.
The invention provides the following technical scheme:
the self-adhesive resin damping plate comprises the following components in parts by mass: 15-30 parts of tackifying resin, 3-8 parts of modified resin and 20-90 parts of powder, wherein the modified resin is an ethylene-octene copolymer and liquid polyisobutylene compound, has plasticity and stretchability, and comprises the following components in parts by mass: 2.5 to 8 parts of liquid polyisobutylene and 0.5 to 5 parts of ethylene-octene copolymer, wherein the liquid polyisobutylene is a flowable liquid at the temperature of below 40 ℃ and is colorless and tasteless. The ethylene-octene copolymer is a colorless, transparent and tasteless elastomer, and increases the structural strength.
Preferably, the tackifying resin is hydrogenated petroleum resin, and the hydrogenated petroleum resin is straight-chain hydrogenated polymerized carbon five/carbon nine resin which is colorless and tasteless and has a melting point of 80-140 ℃.
Preferably, the powder is one or more of light calcium carbonate, magnetic powder and fly ash.
A preparation method of a self-adhesive resin damping plate is used for preparing the self-adhesive resin damping plate and comprises the following steps:
s1: preparing modified resin, namely blending 3-8 parts by weight of liquid polyisobutylene and 1-5 parts by weight of ethylene-octene copolymer, and stirring at 120 ℃ to prepare colorless, tasteless and transparent viscous liquid for later use;
s2: and 3-8 parts by weight of the liquid prepared in the step S1 is taken, 20-90 parts by weight of the powder and 15-30 parts by weight of tackifying resin are added, and the damping plate is prepared through mixing at 120-140 ℃, discharging, calendering, cutting and molding.
The invention has the beneficial effects that:
1. the modified resin prepared by the invention and the adopted tackifying resin are tasteless resins, have high environmental protection performance, are easy to process into a liquid state or a viscoelastic state, can be easily combined with powder, have lower processing temperature and low energy consumption, can overcome the defect of larger hot processing smell of the existing EVA material damping plate, and have simple formula, high damping, self-adhesion effect and low cost;
2. the invention adopts the tackifying resin which is hydrogenated petroleum resin, and the hydrogenated petroleum resin has the advantages of self-adhesiveness, soft elasticity, good powder eating property, damping and low cost; the formula is simple, the damping is high, and the cost is low;
3. the powder is one or more of light calcium carbonate, magnetic powder and fly ash, the magnetic powder can enable the damping plate to have magnetism after being magnetized by a magnetic roller, the fly ash can be recycled after being screened by waste of a thermal power plant, and the damping plate has the advantages of low density and sound insulation function of a porous structure.
Detailed Description
Example 1
In this embodiment, the damping plate comprises the following raw material combinations: 0.5 part of ethylene-octene copolymer, 2.5 parts of liquid polyisobutylene, 15 parts of hydrogenated petroleum resin, 5 parts of fly ash and 15 parts of magnetic powder, and the specific preparation method comprises the following steps: the preparation method comprises the following steps of putting 0.5 part by weight of modified resin and 2.5 parts by weight of liquid polyisobutylene into a kneader reaction kettle according to the mass part ratio, stirring at 120 ℃ for 10 minutes, completely plasticizing the ethylene-octene copolymer, adding fly ash, magnetic powder and hydrogenated petroleum resin, mixing and stirring for 20 minutes, extruding the mixture by a screw extruder while the mixture is hot, rolling the mixture into sheets by a roller press to obtain the damping plates, adjusting the thickness and the size according to the distance between the roller press, cutting and molding the cooled sheets by a template cutter, and obtaining the gray brown black sheets.
Example 2
In this embodiment, the damping plate comprises the following raw material combinations: 5 parts of ethylene-octene copolymer, 3 parts of liquid polyisobutylene, 30 parts of hydrogenated petroleum resin, 35 parts of fly ash and 55 parts of magnetic powder, and the specific preparation method comprises the following steps: the preparation method comprises the following steps of putting 5 parts by weight of modified resin and 3 parts by weight of liquid polyisobutylene into a kneader reaction kettle according to the mass part ratio, stirring for 10 minutes at 120 ℃, thoroughly plasticizing the ethylene-octene copolymer, adding fly ash, magnetic powder and hydrogenated petroleum resin, mixing and stirring for 20 minutes, extruding the mixture by a screw extruder while the mixture is hot, rolling the mixture into sheets by a roller press to obtain the damping plate, adjusting the thickness and the size according to the distance between the roller press, cutting and molding the cooled sheet by a template cutter, and obtaining the damping plate which is a gray brown black sheet.
Example 3
In this embodiment, the damping plate comprises the following raw material combinations: 1 part of ethylene-octene copolymer, 4 parts of liquid polyisobutylene, 15 parts of hydrogenated petroleum resin, 25 parts of fly ash and 55 parts of magnetic powder, and the specific preparation method comprises the following steps: the preparation method comprises the steps of putting 1 part by weight of modified resin and 4 parts by weight of liquid polyisobutylene into a kneader reaction kettle according to the mass part ratio, stirring for 10 minutes at 120 ℃, thoroughly plasticizing the ethylene-octene copolymer, adding fly ash, magnetic powder and hydrogenated petroleum resin, mixing and stirring for 20 minutes, extruding the mixture by a screw extruder while the mixture is hot, rolling the mixture into sheets by a roller press to prepare the damping plate, adjusting the thickness and the size according to the distance between the roller press, cutting and molding the cooled sheet by a template cutter, and obtaining the damping plate which is a gray brown black sheet.
Example 4
In this embodiment, the damping plate comprises the following raw material combinations: 0.5 part of ethylene-octene copolymer, 2.5 parts of liquid polyisobutylene, 15 parts of hydrogenated petroleum resin, 5 parts of fly ash and 15 parts of magnetic powder, and the specific preparation method comprises the following steps: 0.5 part by weight of modified resin and 2.5 parts by weight of liquid polyisobutylene are added into a kneader reaction kettle according to the mass part ratio, the mixture is stirred for 10 minutes at the temperature of 120 ℃, the ethylene-octene copolymer is thoroughly plasticized, then the fly ash, the magnetic powder and the hydrogenated petroleum resin are added, the mixture is mixed and stirred for 20 minutes, the mixture is extruded by a screw extruder while the mixture is hot, a roller press is used for rolling the mixture into a damping plate, the thickness and the size of the damping plate are adjusted according to the distance between the roller press, the cooled damping plate is cut and molded by a template cutter, and the prepared damping plate is an off-white damping plate.
Example 5
In this embodiment, the damping plate comprises the following raw material combinations: 5 parts of ethylene-octene copolymer, 3 parts of liquid polyisobutylene, 30 parts of hydrogenated petroleum resin, 35 parts of fly ash and 55 parts of magnetic powder, and the specific preparation method comprises the following steps: the preparation method comprises the following steps of putting 5 parts by weight of modified resin and 3 parts by weight of liquid polyisobutylene into a kneader reaction kettle according to the mass part ratio, stirring for 10 minutes at 120 ℃, thoroughly plasticizing the ethylene-octene copolymer, adding fly ash, magnetic powder and hydrogenated petroleum resin, mixing and stirring for 20 minutes, extruding the mixture by a screw extruder while the mixture is hot, rolling the mixture into sheets by a roller press to obtain the damping plate, adjusting the thickness and the size according to the distance between the roller press, cutting and molding the cooled sheets by a template cutter, and obtaining the gray damping plate.
Example 6
In this embodiment, the damping plate comprises the following raw material combinations: 1 part of ethylene-octene copolymer, 4 parts of liquid polyisobutylene, 15 parts of hydrogenated petroleum resin, 25 parts of fly ash and 55 parts of magnetic powder, and the specific preparation method comprises the following steps: the preparation method comprises the steps of putting 1 part by weight of modified resin and 3 parts by weight of liquid polyisobutylene into a kneader reaction kettle according to the mass part ratio, stirring for 10 minutes at 120 ℃, thoroughly plasticizing the ethylene-octene copolymer, adding fly ash, magnetic powder and hydrogenated petroleum resin, mixing and stirring for 20 minutes, extruding the mixture by a screw extruder while the mixture is hot, rolling the mixture into sheets by a roller press to obtain the damping plate, adjusting the thickness and the size according to the distance between the roller press, cutting and molding the cooled sheets by a template cutter, and obtaining the gray damping plate.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The self-adhesive resin damping plate is characterized by comprising the following components in parts by mass: 15-30 parts of tackifying resin, 3-8 parts of modified resin and 20-90 parts of powder, wherein the modified resin is an ethylene-octene copolymer and liquid polyisobutylene complex, and the modified resin comprises the following components in parts by mass: 2.5-8 parts of liquid polyisobutylene and 0.5-5 parts of ethylene-octene copolymer.
2. The self-adhesive resin damping plate as claimed in claim 1, wherein said tackifying resin is a hydrogenated petroleum resin.
3. The self-adhesive resin damping plate according to claim 1, wherein the powder is one or more of light calcium carbonate, magnetic powder and fly ash.
4. A method for producing a self-adhesive resin damping plate, for use in producing a self-adhesive resin damping plate according to claim 1, comprising the steps of:
s1: preparing modified resin, namely blending 3-8 parts by weight of liquid polyisobutylene and 1-5 parts by weight of ethylene-octene copolymer, and stirring at 120 ℃ to prepare colorless, tasteless and transparent viscous liquid for later use;
s2: and 3-8 parts by weight of the liquid prepared in the step S1 is taken, 20-90 parts by weight of the powder and 15-30 parts by weight of tackifying resin are added, and the damping plate is prepared through mixing at 120-140 ℃, discharging, calendering, cutting and molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010687069.1A CN111748171A (en) | 2020-07-16 | 2020-07-16 | Self-adhesive resin damping plate and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010687069.1A CN111748171A (en) | 2020-07-16 | 2020-07-16 | Self-adhesive resin damping plate and preparation method thereof |
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| Publication Number | Publication Date |
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| CN111748171A true CN111748171A (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010687069.1A Pending CN111748171A (en) | 2020-07-16 | 2020-07-16 | Self-adhesive resin damping plate and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010254923A (en) * | 2009-04-28 | 2010-11-11 | Naigai Rubber Kk | Damping rubber, manufacturing method thereof, and composition for damping rubber |
| CN105199246A (en) * | 2015-10-29 | 2015-12-30 | 芜湖海程橡塑有限公司 | Magnetic butyl damping composite material for automobiles and preparation method |
| CN111057341A (en) * | 2019-12-19 | 2020-04-24 | 常州英拓利汽车科技有限公司 | Magnetic suction type asphalt-free damping fin for vehicle and preparation method thereof |
-
2020
- 2020-07-16 CN CN202010687069.1A patent/CN111748171A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010254923A (en) * | 2009-04-28 | 2010-11-11 | Naigai Rubber Kk | Damping rubber, manufacturing method thereof, and composition for damping rubber |
| CN105199246A (en) * | 2015-10-29 | 2015-12-30 | 芜湖海程橡塑有限公司 | Magnetic butyl damping composite material for automobiles and preparation method |
| CN111057341A (en) * | 2019-12-19 | 2020-04-24 | 常州英拓利汽车科技有限公司 | Magnetic suction type asphalt-free damping fin for vehicle and preparation method thereof |
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Application publication date: 20201009 |