CN105713295B - A kind of PET and PP two-components sound-absorbing material recoverying and utilizing method - Google Patents
A kind of PET and PP two-components sound-absorbing material recoverying and utilizing method Download PDFInfo
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- CN105713295B CN105713295B CN201610208928.8A CN201610208928A CN105713295B CN 105713295 B CN105713295 B CN 105713295B CN 201610208928 A CN201610208928 A CN 201610208928A CN 105713295 B CN105713295 B CN 105713295B
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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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
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The present invention relates to a kind of PET and PP two-components sound-absorbing material recoverying and utilizing method, PP contents are 65~70% in PET and PP sound-absorbing material leftover bits, recycle following steps：(1) the sound-absorbing material leftover bits containing PET and PP composite fibre are added in the methyl methacrylate maceration extract containing methyl ethyl ketone peroxide and soaked, taken out after immersion and carry out hardening to obtain fibre plate；(2) fibre plate is punched out, obtains fiber grain；(3) fiber grain adds the PP GRANULES of mass percent 25% of fiber grain gross weight and 20%~35% hollow glass micropearl is mixed, and 180~200 DEG C of mixtures to fiber grain, PP GRANULES, hollow glass micropearl of control temperature carry out melting extrusion and obtain light composite material.Compared with the prior art, discarded sound-absorbing material can be converted into practical light composite material by the present invention, and operation is simple, economize on resources consumption and reduction environmental pollution.
Description
Technical field
The present invention relates to a kind of PET and PP two-components sound-absorbing material recoverying and utilizing method.
Background technology
With expanding economy, people are for automobile comfort level and the requirement more and more higher of interior decoration materials, largely
Sound-absorbing acoustic material be widely used in automobile all parts so that the demand of automobile-used high-performance acoustical material is more next
It is bigger.
A kind of two-component acoustical cotton being process by PET and PP has the advantages that sound-absorption coefficient is high, light weight is extensive
Use, large batch of production not only waste of resource but also caused leftover bits amount is big, therefore, recycling just becomes to weigh very much
Will.
For the two-component sound-absorbing cotton material largely produced, with burn heat and Pintsch process equal energy source Application way by
Equipment investment is excessive, cost recovery is high in existing, and its application is restricted.
The content of the invention
The technical problems to be solved by the invention, which are to provide one kind, to turn PET and PP two-component sound-absorbing materials leftover bits
Practical composite is turned to, operation is simple, the sound-absorbing material recoverying and utilizing method of economize on resources consumption and reduction environmental pollution.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of PET and PP two-components sound-absorbing material recovery profit
With method, comprise the following steps：
(1) the sound-absorbing material leftover bits containing PET and PP composite fibre are added into the methyl containing methyl ethyl ketone peroxide
Soaked in methyl acrylate maceration extract, taken out after immersion and carry out hardening to obtain fibre plate；
(2) fibre plate is punched out, obtains fiber grain；
(3) fiber grain adds the PP GRANULES and 20%~35% of the mass percent 25% of fiber grain gross weight
Hollow glass micropearl mixed, control 180~200 DEG C of temperature is to fiber grain, PP GRANULES, hollow glass micropearl
Mixture carries out melting extrusion, obtains composite.
Further, in step (1), molar concentration of the methyl ethyl ketone peroxide in methyl methacrylate maceration extract is
1.0mol/L。
Further, in step (1), the sound-absorbing material leftover bits containing PET and PP composite fibre is added and contain peroxide
It is 8~12min to change the time soaked in the maceration extract of the methyl methacrylate of MEK.
Further, in step (1), after the sound-absorbing material leftover bits after soaking are taken out, 30~90KPa pressures are applied to it
Power, its unnecessary monomer is extruded, then carry out hardening to obtain fibre plate.
Further, in step (1), the sound-absorbing material leftover bits after immersion are subjected to polymerization hardening at 80~85 DEG C,
Obtain fibre plate.
Further, the time of the sound-absorbing material leftover bits polymerization hardening after immersion is 2~6 hours.
Further, in step (2), fibre plate is punched out by the punching cutter of pneumatic sheet-punching machine, obtains fiber grain.
Further, in step (3), by double screw extruder to fiber grain, PP GRANULES, hollow glass micropearl
Mixture carries out melting extrusion and obtains composite.
Further, fiber grain, PP GRANULES, the weight ratio of hollow glass micropearl are 100：25：20~35.
The beneficial effects of the invention are as follows：Filled the PET contained in discarded sound-absorbing material, PP fibers etc. as filler
Strengthen polyolefin plastics, while introduce hollow glass micropearl and prepare light composite material.Sound-absorbing material leftover bits can be reclaimed
In PET and PP fibers, realize recycling recycle, and can is modified to the performance of plastics can be by discarded sound-absorbing material
Practical composite is converted into, operation is simple, economize on resources consumption and reduction environmental pollution.
Brief description of the drawings
Fig. 1 is a kind of flow chart of PET and PP two-components sound-absorbing material recoverying and utilizing method of the present invention.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Embodiment 1：
As shown in figure 1, a kind of PET and PP two-components sound-absorbing material recoverying and utilizing method, comprises the following steps：
(1) the sound-absorbing material leftover bits containing PET and PP composite fibre are added into the methyl containing methyl ethyl ketone peroxide
Soaked in methyl acrylate maceration extract, taken out after immersion and carry out hardening to obtain fibre plate；
(2) fibre plate is punched out, obtains fiber grain；
(3) fiber grain add fiber grain gross weight mass percent 25% PP GRANULES and 35% it is hollow
Glass microballoon is mixed, and 200 DEG C of mixtures to fiber grain, PP GRANULES, hollow glass micropearl of control temperature are carried out
Melting extrusion, obtain composite.
Preferably, in step (1), molar concentration of the methyl ethyl ketone peroxide in methyl methacrylate maceration extract is
1.0mol/L。
Preferably, in step (1), the sound-absorbing material leftover bits containing PET and PP composite fibre is added and contain peroxide
It is 12min to change the time soaked in the maceration extract of the methyl methacrylate of MEK.
Preferably, in step (1), after the sound-absorbing material leftover bits after soaking are taken out, 90KPa pressure is applied to it,
Its unnecessary monomer is extruded, then carries out hardening to obtain fibre plate.
Preferably, in step (1), the sound-absorbing material leftover bits after immersion is subjected to polymerization hardening at 85 DEG C, obtained fine
Tie up piece.
Preferably, the time of the sound-absorbing material leftover bits polymerization hardening after immersion is 6 hours.
Preferably, in step (2), fibre plate is punched out by the punching cutter of pneumatic sheet-punching machine, obtains fiber grain.
Preferably, in step (3), add the PP GRANULES of quality 25% in fiber grain and 30% hollow glass is micro-
Pearl, then control 200 DEG C of temperature to carry out melting extrusion to mixture by double screw extruder and obtain composite.
Preferably, fiber grain, PP GRANULES, the weight ratio of hollow glass micropearl are 100：25：20.
Embodiment 2：
(1) sound-absorbing material containing PET and PP composite fibre is added into the methyl methacrylate containing methyl ethyl ketone peroxide
Immersion 8min is carried out in ester maceration extract, after the sound-absorbing material after soaking is taken out, applies 90kpa pressure to it, its is unnecessary
Monomer is extruded, and polymerization hardening 2 hours is carried out at 82 DEG C, obtains fibre plate；
(2) fibre plate is punched out, obtains fiber grain；
(3) PP GRANULES of mass percent 25% and 20% sky of fiber grain gross weight are added in fiber grain
Heart glass microballoon, then control 180 DEG C of temperature to carry out melting extrusion to mixture by double screw extruder, obtain composite.
Preferably, in step (1), molar concentration of the methyl ethyl ketone peroxide in methyl methacrylate maceration extract is
1.0mol/L。
Preferably, in step (1), the sound-absorbing material leftover bits containing PET and PP composite fibre is added and contain peroxide
It is 8min to change the time soaked in the maceration extract of the methyl methacrylate of MEK.
Preferably, in step (1), after the sound-absorbing material leftover bits after soaking are taken out, 30KPa pressure is applied to it,
Its unnecessary monomer is extruded, then carries out hardening to obtain fibre plate.
Preferably, in step (1), the sound-absorbing material leftover bits after immersion is subjected to polymerization hardening at 80 DEG C, obtained fine
Tie up piece.
Preferably, the time of the sound-absorbing material leftover bits polymerization hardening after immersion is 2 hours.
Preferably, in step (2), fibre plate is punched out by the punching cutter of pneumatic sheet-punching machine, obtains fiber grain.
Preferably, in step (3), add the PP GRANULES of quality 25% in fiber grain and 30% hollow glass is micro-
Pearl, then control 180 DEG C of temperature to carry out melting extrusion to mixture by double screw extruder and obtain composite.
Preferably, fiber grain, PP GRANULES, the weight ratio of hollow glass micropearl are 100：25：28.
Embodiment 3：
(1) sound-absorbing material containing PET and PP composite fibre is added into the methyl methacrylate containing methyl ethyl ketone peroxide
Immersion 10min is carried out in ester maceration extract, after the sound-absorbing material after soaking is taken out, applies 60kpa pressure to it, its is unnecessary
Monomer is extruded, and polymerization hardening 4 hours is carried out at 80 DEG C, obtains fibre plate；
(2) fibre plate is punched out, obtains fiber grain；
(3) PP GRANULES of mass percent 25% and 25% sky of fiber grain gross weight are added in fiber grain
Heart glass microballoon, then control 190 DEG C of temperature to carry out melting extrusion to mixture by double screw extruder, obtain composite.
Preferably, in step (1), molar concentration of the methyl ethyl ketone peroxide in methyl methacrylate maceration extract is
1.0mol/L。
Preferably, in step (1), the sound-absorbing material leftover bits containing PET and PP composite fibre is added and contain peroxide
It is 10min to change the time soaked in the maceration extract of the methyl methacrylate of MEK.
Preferably, in step (1), after the sound-absorbing material leftover bits after soaking are taken out, 60KPa pressure is applied to it,
Its unnecessary monomer is extruded, then carries out hardening to obtain fibre plate.
Preferably, in step (1), the sound-absorbing material leftover bits after immersion is subjected to polymerization hardening at 82 DEG C, obtained fine
Tie up piece.
Preferably, the time of the sound-absorbing material leftover bits polymerization hardening after immersion is 2 hours.
Preferably, in step (2), fibre plate is punched out by the punching cutter of pneumatic sheet-punching machine, obtains fiber grain.
Preferably, in step (3), add the PP GRANULES of quality 25% in fiber grain and 30% hollow glass is micro-
Pearl, then control 190 DEG C of temperature to carry out melting extrusion to mixture by double screw extruder and obtain composite.
Preferably, fiber grain, PP GRANULES, the weight ratio of hollow glass micropearl are 100：25：35.
The present invention is poly- as filler filling enhancing using the leftover bits of the PET contained in sound-absorbing material, PP fibers etc.
Olefin plastics, and add hollow glass micropearl and prepare light composite material, can reclaim PET in waste and old sound-absorbing material and
PP fibers, realize that recycling recycles, and can is modified to the performance of plastics can be converted into discarded sound-absorbing material practicality gently
Composite material, operation is simple, economize on resources consumption and reduction environmental pollution, has great social effect.
The present invention is while sound-absorbing cotton material PET/PP composite fibre is recycled, caused lightweight polypropylene composite materials material
Material can be used for the bumper of automobile, and some non-bearing parts；Improve the intensity of composite material for vehicle, anti-flammability, every
It is hot.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (8)
1. a kind of PET and PP two-components sound-absorbing material recoverying and utilizing method, it is characterised in that comprise the following steps：
(1) the sound-absorbing material leftover bits containing PET and PP composite fibre are added into the metering system containing methyl ethyl ketone peroxide
Soaked in sour methyl esters maceration extract, taken out after immersion and carry out hardening to obtain fibre plate；
(2) fibre plate is punched out, obtains fiber grain；
(3) PP GRANULES and 20%~35% of the mass percent 25% of fiber grain gross weight is added in fiber grain
Hollow glass micropearl mixed, control 180~200 DEG C of temperature is to fiber grain, PP GRANULES, hollow glass micropearl
Mixture carries out melting extrusion, obtains composite.
A kind of 2. PET and PP two-components sound-absorbing material recoverying and utilizing method according to claim 1, it is characterised in that step
(1) in, molar concentration of the methyl ethyl ketone peroxide in methyl methacrylate maceration extract is 1.0mol/L.
A kind of 3. PET and PP two-components sound-absorbing material recoverying and utilizing method according to claim 1, it is characterised in that step
(1) in, the sound-absorbing material leftover bits containing PET and PP composite fibre are added into the methacrylic acid containing methyl ethyl ketone peroxide
The time soaked in the maceration extract of methyl esters is 8~12min.
A kind of 4. PET and PP two-components sound-absorbing material recoverying and utilizing method according to claim 1, it is characterised in that step
(1) in, after the sound-absorbing material leftover bits after soaking are taken out, 30~90KPa pressure is applied to it, by its unnecessary monomer pressure
Go out, then carry out hardening to obtain fibre plate.
A kind of 5. PET and PP two-components sound-absorbing material recoverying and utilizing method according to claim 1, it is characterised in that step
(1) in, the sound-absorbing material leftover bits after immersion is subjected to polymerization hardening at 80~85 DEG C, obtain fibre plate.
A kind of 6. PET and PP two-components sound-absorbing material recoverying and utilizing method according to claim 5, it is characterised in that immersion
The time of sound-absorbing material leftover bits polymerization hardening afterwards is 2~6 hours.
A kind of 7. PET and PP two-components sound-absorbing material recoverying and utilizing method according to claim 1, it is characterised in that step
(2) in, fibre plate is punched out by the punching cutter of pneumatic sheet-punching machine, obtains fiber grain.
8. according to a kind of any one of claim 1 to 7 PET and PP two-components sound-absorbing material recoverying and utilizing method, its feature
It is, in step (3), by double screw extruder at 180~200 DEG C to fiber grain, PP GRANULES, hollow glass micropearl
Mixture carry out melting extrusion obtain light composite material.
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| CN201610208928.8A CN105713295B (en) | 2016-04-06 | 2016-04-06 | A kind of PET and PP two-components sound-absorbing material recoverying and utilizing method |
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| CN201610208928.8A CN105713295B (en) | 2016-04-06 | 2016-04-06 | A kind of PET and PP two-components sound-absorbing material recoverying and utilizing method |
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| CN105713295B true CN105713295B (en) | 2018-03-16 |
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| CN108948524A (en) * | 2018-06-22 | 2018-12-07 | 苏州上车新材料科技有限公司 | MODIFIED PP/PET alloy die casting collet and preparation method thereof |
| CN109762304A (en) * | 2019-01-17 | 2019-05-17 | 湖北天运消音防振新材料有限公司 | A kind of sound-absorbing for automobile interiors, heat insulation foam and preparation method thereof |
| CN111850822B (en) * | 2020-06-29 | 2022-02-18 | 吉祥三宝高科纺织有限公司 | Goose down structure based melt-blown thermal insulation sound insulation material and preparation method thereof |
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| JP4387367B2 (en) * | 2006-03-28 | 2009-12-16 | 丸昌夏山フエルト株式会社 | SOUND ABSORBING MATERIAL FOR VEHICLE OUTDOOR AND METHOD FOR PRODUCING THE SOUND ABSORBING MATERIAL FOR VEHICLE |
| CN103160018B (en) * | 2011-12-08 | 2016-01-27 | 合肥杰事杰新材料股份有限公司 | A kind of high tenacity acoustic dampening composite and preparation method thereof |
| CN103434138A (en) * | 2013-08-12 | 2013-12-11 | 扬州顺祥汽车内饰材料有限公司 | Method for recycling recovered composite hemp felt leftover material |
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