CN109971109A - A kind of high sound-absorbing damping thermoplastic elastomer blend - Google Patents
A kind of high sound-absorbing damping thermoplastic elastomer blend Download PDFInfo
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- CN109971109A CN109971109A CN201910290229.6A CN201910290229A CN109971109A CN 109971109 A CN109971109 A CN 109971109A CN 201910290229 A CN201910290229 A CN 201910290229A CN 109971109 A CN109971109 A CN 109971109A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
- C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Abstract
The present invention relates to a kind of high sound-absorbing damping thermoplastic elastomer blends, according to parts by weight, including following component: A:4-6 parts of polystyrene thermoplastic elastomer, B:28-40 parts of polystyrene thermoplastic elastomer, plasticizer: 20-25 parts, thermoplastic polyester elastomer: 5-8 parts, linear low density polyethylene: 5-9 parts, polypropylene: 6-10 parts, compatilizer: 3-5 parts, calcium carbonate: 10-20 parts, antioxidant: 0.1-0.4 parts.The beneficial effects of the present invention are: the present invention has good sound-absorbing damping effect, the heat-resisting and solvent resistance having had, improve material disturbs bent elasticity；Production procedure is easy, there is good processing performance.
Description
Technical field
The present invention relates to thermoplastic elastomer (TPE) field more particularly to a kind of high sound-absorbing damping thermoplastic elastomer blends.
Background technique
Thermoplastic elastomer (TPE) is also known as artificial rubber or synthetic rubber.Its product had both had the high-elastic of traditional cross-linking vulcanized rubber
Property, ageing-resistant, the every excellent properties of oil resistivity, while feature easy to process but also with common plastics, that processing method is wide.It can adopt
It is produced with processing methods such as injection molding, extrusion, blow moldings, 100% direct secondary use after mouth of a river corner crushes.Both simplify process,
Processing cost is reduced again, therefore thermoplastic elastomer (TPE) TPE/TPR material has become the Latest Materials for replacing traditional rubber, ring
It protects, nontoxic, comfortable feel, exquisite appearance, product is made to have more intention.It therefore is also one more humanized, high-grade novel
Synthetic material and globalization standard environment-friendly materials.
Need the thermoplastic elastomer (TPE) using sound-absorbing and good damping effect on some products, and current thermoplastic elastic
Body is also unable to satisfy.
Summary of the invention
It is an object of the invention to overcome problem above of the existing technology, a kind of high sound-absorbing damping thermoplastic elastomehc is provided
Property body blend.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme:
A kind of high sound-absorbing damping thermoplastic elastomer blend, according to parts by weight, including following component: polystyrene thermoplastic bullet
A:4-6 parts of body of property, B:28-40 parts of polystyrene thermoplastic elastomer, plasticizer: 20-25 parts, thermoplastic polyester elastomer: 5-8
Part, linear low density polyethylene: 5-9 parts, polypropylene: 6-10 parts, compatilizer: 3-5 parts, calcium carbonate: 10-20 parts, antioxidant:
0.1-0.4 parts.
Wherein, the polystyrene thermoplastic elastomer A is hydrogenated styrene-ethylene-butadiene-styrene block copolymerization
Object, and the hydrogenated styrene-ethylene-butadiene-styrene block copolymer molecular weight is greater than 150,000.
Wherein, the polystyrene thermoplastic elastomer B is vinyl-polydiene-styrene block copolymer, hydrogenation of benzene second
One or more of alkene-butadiene copolymer, hydrogenated styrene-butadiene block copolymer.
Wherein, the plasticizer is cycloalkane rubber oil or paraffin oil, and plasticizer viscosity at a temperature of 40 DEG C is greater than
90cps。
Wherein, the hardness of the thermoplastic polyester elastomer is 25-35D.
Wherein, the compatilizer is SEBS grafted maleic anhydride or SBS grafted maleic anhydride.
Wherein, the melt index of the linear low density polyethylene is 1-5, and the polyacrylic Rong melts Shuo≤12 Zhi.
Wherein, oxidant includes primary antioxidant and auxiliary anti-oxidant；Main antioxygen is antioxidant 1010, parts by weight 0.1-
0.2, auxiliary anti-oxidant is oxidant 168, number 0-0.2, total 0.1-0.4 parts of the two.
The preparation method of above-mentioned high sound-absorbing damping thermoplastic elastomer blend, includes the following steps:
Step 1: weighing each raw material by mass fraction；
Be blended Step 2: first polystyrene thermoplastic elastomer A and plasticizer are added in mixing vessel, then by surplus stock by
It is uniformly mixed in a addition mixing vessel and forms mixture；
High sound-absorbing damping thermoplastic elastomer blend is made Step 3: blend is poured into double screw extruder.
Wherein, the Chang Jing Bi≤40 of the Luo bar of the double screw extruder, the double screw extruder contains more than four
Region of engagement.
Wherein, the extruder temperature of the double screw extruder is feeding section: 170-190 DEG C；Compression section: 200-220 DEG C；Meter
Amount section: 190-210 DEG C, die head: 180-200 DEG C；The screw speed of the double screw extruder is 260-320rpm.
The beneficial effects of the present invention are: adding second in hydrogenated styrene-ethylene-butadiene-styrene block copolymer
Alkenyl-polydiene-styrene block copolymer, hydrogenated styrene-butadiene copolymer, hydrogenated styrene-butadiene block are total
One or more of polymers makes temperature of the high sound-absorbing damping thermoplastic elastomer blend in fissipation factor peak value obtained
Close to room temperature, at room temperature by external force, since molecular motion friction needs big energy, kinetic energy is converted into heat
It can consume, energy does not transmit, and plays the role of silencing and damping；What thermoplastic polyester elastomer mainly improved material disturbs bent bullet
Property, it can be improved heatproof, solvent resistant and feel；Compatilizer can be improved thermoplastic polyester elastomer and other materials compatibility.
To sum up, the present invention has good sound-absorbing damping effect, and the heat-resisting and solvent resistance having had, improve material disturbs bent bullet
Property；Production procedure is easy, there is good processing performance.
Specific embodiment
Below in conjunction with embodiment, next the present invention will be described in detail.
A kind of high sound-absorbing damping thermoplastic elastomer blend, according to parts by weight, including following component: polystyrene heat
A:4-6 parts of plastics elastomer, B:28-40 parts of polystyrene thermoplastic elastomer, plasticizer: 20-25 parts, thermoplastic polyester elastomer:
5-8 parts, linear low density polyethylene: 5-9 parts, polypropylene: 6-10 parts, compatilizer: 3-5 parts, calcium carbonate: 10-20 parts, antioxygen
Agent: 0.1-0.4 parts.
Polystyrene thermoplastic elastomer A is hydrogenated styrene-ethylene-butadiene-styrene block copolymer, and is hydrogenated
Styrene ethylene butadiene-styrene block copolymer molecular weight is greater than 150,000.
Polystyrene thermoplastic elastomer B is vinyl-polydiene-styrene block copolymer, hydrogenated styrene-butadiene
One or more of copolymer, hydrogenated styrene-butadiene block copolymer.
Plasticizer is cycloalkane rubber oil or paraffin oil, and plasticizer viscosity at a temperature of 40 DEG C is greater than 90cps.
The hardness of thermoplastic polyester elastomer is 25-35D.
Compatilizer is SEBS grafted maleic anhydride or SBS grafted maleic anhydride.
The melt index of linear low density polyethylene is 1-5, and polyacrylic Rong melts Shuo≤12 Zhi.
The preparation method of above-mentioned high sound-absorbing damping thermoplastic elastomer blend, includes the following steps:
Step 1: weighing each raw material by mass fraction；
Be blended Step 2: first polystyrene thermoplastic elastomer A and plasticizer are added in mixing vessel, then by surplus stock by
It is uniformly mixed in a addition mixing vessel and forms mixture；
High sound-absorbing damping thermoplastic elastomer blend is made Step 3: blend is poured into double screw extruder.
The Chang Jing Bi≤40 of the Luo bar of double screw extruder, double screw extruder contain more than four region of engagements；Twin-screw
The extruder temperature of extruder is feeding section: 170-190 DEG C；Compression section: 200-220 DEG C；Metering section: 190-210 DEG C, die head:
180-200℃；The screw speed of double screw extruder is 260-320rpm.
The following are several preferable test examples of high sound-absorbing damping thermoplastic elastomer blend provided by the invention:
Test example one, a kind of high sound-absorbing damping thermoplastic elastomer blend, according to parts by weight, including following component: Taiwan
SEBS6151:5 part of platform rubber, SOE1611:35 part of Japanese Asahi Chemical Industry, paraffin oil: 24 parts, H2511:6 parts of TPEE, Japan is general
Auspicious graceful 0540:5 parts of LLDPE SPS, 5250T:6 part of polypropylene of the modeling of Ningbo platform, calcium carbonate: 15 parts, SEBS grafting Malaysia
Acid anhydrides: 4 parts, antioxidant: 0.2 part (168 each 0.1 parts of antioxidant 1010 and oxidant).
High sound-absorbing damping thermoplastic elastomer (TPE) obtained is through detecting, and hardness (A) is 65, density 0.98, tensile strength
It is 7.8, elongation at break 560%, glass transition temperature is 12 DEG C, and fissipation factor (Max) is 2.1.
Test example two, a kind of high sound-absorbing damping thermoplastic elastomer blend, according to parts by weight, including following component:
SEBS6151:5 part of Taiwan rubber, SOE1611:30 part of Japanese Asahi Chemical Industry, paraffin oil: 20 parts, H2511:5 parts of TPEE, day
0540:6 parts of the LLDPE SPS of Ben Puruiman, 5250T:6 parts of polypropylene of the modeling of Ningbo platform, calcium carbonate: 18 parts, SEBS grafting
Maleic anhydride: 5 parts, antioxidant: 0.2 part (168 each 0.1 parts of antioxidant 1010 and oxidant).
High sound-absorbing damping thermoplastic elastomer (TPE) obtained is through detecting, and hardness (A) is 70, density 0.99, tensile strength
It is 8.1, elongation at break 600%, glass transition temperature is 23 DEG C, and fissipation factor (Max) is 2.8.
Test example three, a kind of high sound-absorbing damping thermoplastic elastomer blend, according to parts by weight, including following component:
SEBS6151:5 part of Taiwan rubber, SOE1611:20 part of Japanese Asahi Chemical Industry, 5127:15 parts of the HYBRAR of Kuraray,
Paraffin oil: 23 parts, H2511:5 parts of TPEE, graceful 0540:5 parts of LLDPE SPS of Japanese Puri, the polypropylene of Ningbo platform modeling
5250T:8 parts, calcium carbonate: 16 parts, SEBS grafted maleic anhydride and SBS grafted maleic anhydride are the mixture of 4:3 in mass ratio:
3 parts, antioxidant: 0.2 part (168 each 0.1 parts of antioxidant 1010 and oxidant).
High sound-absorbing damping thermoplastic elastomer (TPE) obtained is through detecting, and hardness (A) is 65, density 0.98, tensile strength
It is 7.8, elongation at break 560%, glass transition temperature is 12 DEG C, and fissipation factor (Max) is 2.1.
Test example four, a kind of high sound-absorbing damping thermoplastic elastomer blend, according to parts by weight, including following component:
SEBS6151:4 part of Taiwan rubber, SOE1605:28 part of Japanese Asahi Chemical Industry, cycloalkane rubber oil: 20 parts, TPEE H2511:
5 parts, graceful 0540:5 parts of LLDPE SPS of Japanese Puri, 5250T:6 parts of polypropylene of the modeling of Ningbo platform, calcium carbonate: 10 parts,
SEBS grafted maleic anhydride: 3 parts, antioxidant: 0.1 part (0.1 part of antioxidant 1010).
High sound-absorbing damping thermoplastic elastomer (TPE) obtained is through detecting, and hardness (A) is 60, density 0.97, tensile strength
It is 7.6, elongation at break 500%, glass transition temperature is 6 DEG C, and fissipation factor (Max) is 2.0.
Test example five, a kind of high sound-absorbing damping thermoplastic elastomer blend, according to parts by weight, including following component:
SEBS6151:6 part of Taiwan rubber, SOE1611:40 part of Japanese Asahi Chemical Industry, paraffin oil: 25 parts, H2511:8 parts of TPEE, day
0540:9 parts of the LLDPE SPS of Ben Puruiman, 5250T:10 parts of polypropylene of the modeling of Ningbo platform, calcium carbonate: 20 parts, SEBS grafting
Maleic anhydride: 5 parts, antioxidant: 0.4 part of (antioxidant 1010 and 168 each 0.2 parts of oxidant.) made from high sound-absorbing damping thermoplastic
Property elastomer detected, hardness (A) be 67, density 0.98, tensile strength 7.9, elongation at break 580%, vitrifying
Transition temperature is 17 DEG C, and fissipation factor (Max) is 2.2.
As being compared above-mentioned five test examples it is found that the high sound-absorbing damping according to made from the proportion in test example two
Temperature near room temperature of the thermoplastic elastomer (TPE) in fissipation factor maximum, in room temperature by external force, due to molecular motion
Big heat is needed to friction, kinetic energy is converted into thermal energy consumption, and energy does not transmit, and plays the role of silencing and damping.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.
Claims (10)
1. a kind of high sound-absorbing damping thermoplastic elastomer blend, which is characterized in that according to parts by weight, including following component:
A:4-6 parts of polystyrene thermoplastic elastomer, B:28-40 parts of polystyrene thermoplastic elastomer, plasticizer: 20-25 parts, thermoplastic poly
Ester elastomer: 5-8 parts, linear low density polyethylene: 5-9 parts, polypropylene: 6-10 parts, compatilizer: 3-5 parts, calcium carbonate: 10-20
Part, antioxidant: 0.1-0.4 parts.
2. high sound-absorbing damping thermoplastic elastomer blend according to claim 1, which is characterized in that the polystyrene
Thermoplastic elastomer A is hydrogenated styrene-ethylene-butadiene-styrene block copolymer, and the hydrogenated styrene-ethylene-
The molecular weight of butadiene-styrene block copolymer is greater than 150,000.
3. high sound-absorbing damping thermoplastic elastomer blend according to claim 1, which is characterized in that the polystyrene
Thermoplastic elastomer B is vinyl-polydiene-styrene block copolymer, hydrogenated styrene-butadiene copolymer, hydrogenation of benzene second
One or more of alkene-butadiene block copolymer.
4. high sound-absorbing damping thermoplastic elastomer blend according to claim 1, which is characterized in that the plasticizer is
Cycloalkane rubber oil or paraffin oil, plasticizer viscosity at a temperature of 40 DEG C are greater than 90cps.
5. high sound-absorbing damping thermoplastic elastomer blend according to claim 1, which is characterized in that the thermoplastic poly
The hardness of ester elastomer is 25-35D.
6. high sound-absorbing damping thermoplastic elastomer blend according to claim 1, which is characterized in that the compatilizer is
SEBS grafted maleic anhydride or SBS grafted maleic anhydride.
7. high sound-absorbing damping thermoplastic elastomer blend according to claim 1, which is characterized in that described linear low close
The melt index for spending polyethylene is 1-5, and the polyacrylic Rong melts Shuo≤12 Zhi.
8. the preparation method of any high sound-absorbing damping thermoplastic elastomer blend of claim 1 to 7, feature exist
In including the following steps:
Step 1: weighing each raw material by mass fraction；
Be blended Step 2: first polystyrene thermoplastic elastomer A and plasticizer are added in mixing vessel, then by surplus stock by
It is uniformly mixed in a addition mixing vessel and forms mixture；
High sound-absorbing damping thermoplastic elastomer blend is made Step 3: blend is poured into double screw extruder.
9. high sound-absorbing damping thermoplastic elastomer blend according to claim 1, which is characterized in that the twin-screw squeezes
The Chang Jing Bi≤40 of the Luo bar of machine, the double screw extruder contain more than four region of engagements out.
10. high sound-absorbing damping thermoplastic elastomer blend according to claim 1, which is characterized in that the twin-screw
The extruder temperature of extruder is feeding section: 170-190 DEG C；Compression section: 200-220 DEG C；Metering section: 190-210 DEG C, die head:
180-200℃；The screw speed of the double screw extruder is 260-320rpm.
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Cited By (3)
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| CN111635609A (en) * | 2020-06-24 | 2020-09-08 | 安徽中鼎橡塑制品有限公司 | Sound-absorbing and shock-absorbing elastomer for automobile drain pipe and preparation method thereof |
| CN113527832A (en) * | 2021-07-15 | 2021-10-22 | 中国科学院长春应用化学研究所 | Impact-resistant protective material based on thermoplastic elastomer and preparation method thereof |
| CN114410052A (en) * | 2021-12-31 | 2022-04-29 | 广东太力科技集团股份有限公司 | High-barrier thermoplastic elastomer and preparation method and application thereof |
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| CN113527832A (en) * | 2021-07-15 | 2021-10-22 | 中国科学院长春应用化学研究所 | Impact-resistant protective material based on thermoplastic elastomer and preparation method thereof |
| CN113527832B (en) * | 2021-07-15 | 2022-06-07 | 中国科学院长春应用化学研究所 | Impact-resistant protective material based on thermoplastic elastomer and preparation method thereof |
| CN114410052A (en) * | 2021-12-31 | 2022-04-29 | 广东太力科技集团股份有限公司 | High-barrier thermoplastic elastomer and preparation method and application thereof |
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