CN104744809A - Recycling technology of automobile interior decorative part scraps - Google Patents
Recycling technology of automobile interior decorative part scraps Download PDFInfo
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- CN104744809A CN104744809A CN201310735932.6A CN201310735932A CN104744809A CN 104744809 A CN104744809 A CN 104744809A CN 201310735932 A CN201310735932 A CN 201310735932A CN 104744809 A CN104744809 A CN 104744809A
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention relates to a recycling technology of automobile interior decorative part scraps, and concretely relates to a recovering and molding technology polyurethane composite wastes. The technology comprises the following steps: crushing the polyurethane composite wastes, adding pure polypropylene, a coupling agent and an assistant, uniformly mixing to prepare a mixture, heating the mixture, carrying out heat insulation until the mixture is in a molten state, adding the molten mixture into a die, molding, cooling, and demolding to obtain a finished product. The technology has the advantages of convenient obtaining of the composite waste scraps, simple production process, difficult generation of secondary pollution, environment protection facilitating, realization of reuse of wastes and changing of wastes into valuables, production cost reduction, and economic benefit improvement benefiting; and the recovered and molded product has the advantages of unique elasticity, wear resistance, low temperature resistance, foamability and biodeterioration resistance, and can be widely applied to the mechanical and electrical industry, the ship industry, the aviation industry, the vehicle industry, the civil construction industry, the light industry, the weaving industry and the automobile interior decorative part industry.
Description
Technical field
The present invention relates to a kind of recovery and reuse technology of automotive upholstery scrap stock, is the recovery and molding process of polyurethane composite waste specifically.
Background technology
Urethane (PU) is a kind of thermosetting resin conventional in industry, it be with multicomponent isocyanate and multi-hydroxy compound or polymkeric substance for raw material, make product through hybrid reaction.Can according to requirements, by feed change specification, kind and formula, synthesis desired product, just because of its premium properties and wide application field, polyurethane industrial obtains and develops rapidly.The consumption of world's urethane doubles substantially for every ten years, thereby produces the problem of a large amount of Methods for Polyurethane Wastes in the urgent need to recycling.
The domestic and international Collection and utilization to polyurethane waste material has certain research at present, but simply single terms of settlement be there is no so far to the recycling problem of urethane, its major cause is that the physics and chemistry character of urethane raw is varied, causes polyurethane product to have specificity.Make carpets backing to reclaim by bonding after polyurethane scrap can being pulverized in theory, but the amount of adopting the polyurethane waste material reclaimed in this way is very limited, and has particular requirement to the form of waste material, density.In addition, polyurethane waste material available heat decomposes generation polyvalent alcohol, and the method for burning heat production in factory reclaims, but this absorption method must adopt optimized combustion conditions, to reduce the generation of oxynitride and amine as far as possible, and uneconomical.If pure polyurethane foam is with being more rational recovery method as polyol starting material after chemical recovering method and cracking, but the waste polyurethane in automotive industry is usually the waste material together with other Material cladding, the die-cut leftover bits and pieces of material of such as car roof is laminated multi-layer matrix material, wherein not only containing foamed polyurethane, but also containing the impurity such as glass fibre and surface material distribution, disconnected from each other for these materials, very large difficulty to be had.During pure urethane burning, thermal value is about 7000kcal/kg, between polyolefine and polyvinyl chloride, therefore, do not having in the optional situation of other recoverying and utilizing methods, polyurethane waste material is ground into particulate, replace coal, oil and gas recovered energy as fuel, being applied to roasting cement or generating electricity also is effective recovery method.But but bring secondary pollution, in the process of recovered energy, the gas that also a large amount of generation is extremely harmful to environment simultaneously.So the method process polyurethane waste material taking energy recovery is worthless.Therefore, these waste materials can only be incinerated mostly, have both caused secondary pollution and have wasted available stock.Therefore, study the recycling of these waste materials, for turning waste into wealth, environment protection is very
Necessary.
Summary of the invention
In order to overcome above-mentioned deficiency; the invention provides a kind of recovery and reuse technology of automotive upholstery scrap stock; this is a kind of compound waste leftover material convenient sources; production technique is simple, not easily causes secondary pollution, is conducive to protection of the environment; the recycling of waste material can be realized; turn waste into wealth, and can production cost be reduced, be conducive to the recovery and molding process of the polyurethane composite waste of increasing economic efficiency.
Primary solutions of the present invention is achieved in that
Polyurethane composite waste is added virgin pp through pulverizing by the present invention, coupling agent, auxiliary agent Homogeneous phase mixing make compound, compound is through heating, Heating temperature is: 185-195 DEG C, insulation to compound enters molten state, again molten state compound is added mould mold pressing, dwell time is: 3-5min, obtains goods finished product after cooling demoulding.
In the present invention, polyurethane composite waste is: 33-50 % by weight, virgin pp are: 35-48 % by weight, coupling agent are: 10-12 % by weight, auxiliary agent: 5-7 % by weight; In the present invention, virgin pp adopts particulate state;
In the present invention, soaking time is: 9-lOmin; Moving the material time is: 50-70s;
In the present invention, in mould, moulding pressure is: 1.4-1.6MPa;
In the present invention, polyurethane composite waste is pulverized and is: the particle of 0.8 ~ 2mm or sheet;
Cooling temperature of the present invention is below 70 DEG C.
The invention has the beneficial effects as follows: compound waste leftover material convenient sources of the present invention, production technique is simple, not easily causes secondary pollution, is conducive to protection of the environment, can realize the recycling of waste material, turn waste into wealth, and can reduce production cost, be conducive to increasing economic efficiency; Through reclaiming shaping goods, there is the excellent performance such as unique elasticity, wear resistance, low-temperature type, expandable, resistance to biodeterioration, the industries such as electromechanics, boats and ships, aviation, vehicle, civil construction, light industry, weaving and automotive upholstery can be widely used in.
Embodiment
The present invention below will be further described in conjunction with the embodiments:
Getting automotive upholstery punching limit polyurethane composite waste in the embodiment of the present invention is: 41.5 % by weight, polyurethane composite waste being pulverized the length of side is that 1.5mm sheet adds in heating mixer with the form of filler, then adds virgin pp 42 % by weight, gets silane resin acceptor kh-550: 11 % by weight, ethylenebis stearyl EBS lubricating auxiliary agent is got: 6 % by weight to carry out Homogeneous phase mixing be compound; Then be placed in heating container by above-mentioned compound and heat, Heating temperature is: 1 90 DEG C, and insulation 9.5min enters molten state to compound, then pressurizes in molten state compound immigration mould, moves material time controling at 60s.First adopt methyl-silicone oil releasing agent to be distributed in equably in mould before moving material, make the demoulding easy, do not damage mould.Molten state compound is pressurize 4min in a mold, and die pressure is: 1.5MPa, and cooling temperature obtains goods finished product after demoulding below 70 DEG C.Adopt formula rate in the present embodiment, pressing that processing parameter is made have unique elasticity equally, performance that wear resistance, low-temperature type, expandable, resistance to biodeterioration etc. are excellent.
Claims (4)
1. the recovery and reuse technology of automotive upholstery scrap stock; it is characterized in that employing polyurethane composite waste is: 33-50 % by weight adds virgin pp through pulverizing and is: 35-48 % by weight, coupling agent are: 10-12 % by weight, auxiliary agent: 5-7 % by weight Homogeneous phase mixing makes compound; compound is through heating; Heating temperature is: 185-195 DEG C; insulation to compound enters molten state; again molten state compound is moved into mold pressing in mould, the dwell time is: 3-5min; Goods finished product is obtained after cooling demoulding.
2. the recovery and reuse technology of a kind of automotive upholstery scrap stock according to claim 1, it is characterized in that the recovery and reuse technology of a kind of automotive upholstery scrap stock according to claim 1 during described insulation, it is characterized in that described die pressure is: 1.4-1.6MPa.
3. the recovery and reuse technology of a kind of automotive upholstery scrap stock according to claim 1, is characterized in that described cooling temperature is below 70 DEG C.
4. the recovery and reuse technology of a kind of automotive upholstery scrap stock according to claim 1, it is characterized in that described polyurethane composite waste is pulverized is: the particle of 0.8 ~ 2mm or sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310735932.6A CN104744809A (en) | 2013-12-29 | 2013-12-29 | Recycling technology of automobile interior decorative part scraps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310735932.6A CN104744809A (en) | 2013-12-29 | 2013-12-29 | Recycling technology of automobile interior decorative part scraps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104744809A true CN104744809A (en) | 2015-07-01 |
Family
ID=53585114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310735932.6A Pending CN104744809A (en) | 2013-12-29 | 2013-12-29 | Recycling technology of automobile interior decorative part scraps |
Country Status (1)
| Country | Link |
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| CN (1) | CN104744809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948083A (en) * | 2016-01-07 | 2017-07-14 | 东莞市帕克氏汽车纤维材料有限公司 | A kind of acoustical cotton and its production technology, production line |
-
2013
- 2013-12-29 CN CN201310735932.6A patent/CN104744809A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106948083A (en) * | 2016-01-07 | 2017-07-14 | 东莞市帕克氏汽车纤维材料有限公司 | A kind of acoustical cotton and its production technology, production line |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150701 |