CN110183992A - A kind of method of case-hardened resistance to blade coating TPO synthetic leather - Google Patents
A kind of method of case-hardened resistance to blade coating TPO synthetic leather Download PDFInfo
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- CN110183992A CN110183992A CN201910512798.0A CN201910512798A CN110183992A CN 110183992 A CN110183992 A CN 110183992A CN 201910512798 A CN201910512798 A CN 201910512798A CN 110183992 A CN110183992 A CN 110183992A
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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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
- C09J2301/162—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer the carrier being a laminate constituted by plastic layers only
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/10—Presence of homo or copolymers of propene
- C09J2423/106—Presence of homo or copolymers of propene in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2425/00—Presence of styrenic polymer
- C09J2425/006—Presence of styrenic polymer in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2453/00—Presence of block copolymer
- C09J2453/006—Presence of block copolymer in the substrate
Abstract
The present invention discloses a kind of method that multi-layer co-extruded method continuously prepares case-hardened scratch resistant TPO synthetic leather, the foam layer material including TPO substrate, TPO substrate upper surface hardening and scratch resistant material, TPO substrate lower surface.By preparing the hardening of TPO substrate, TPO substrate upper surface and the foam layer material of scratch resistant material, TPO substrate lower surface, the above-mentioned melting jelly for respectively squeezing into layer is squeezed out by same die head again, TPO synthetic leather is continuously prepared through conventional three-roll press-polishing, cooling, traction, winding to get to multi-layer co-extruded method.The TPO synthetic leather prepared using this method, laminated film are soft, comfortable feel, because between layers without using adhesive, so there is no residual solvent problem, film free from extraneous odour.Meanwhile extrusion molding of plural layers, simple process, the saving energy, high production efficiency, and it is at low cost, it has good promotion and application value.
Description
Technical field
The invention belongs to the preparation fields of TPO synthetic leather, and in particular to the case-hardened resistance to blade coating TPO synthetic leather of one kind
Method.
Background technique
With the raising of social production technology, when industrially processing multilayer TPO synthetic leather, using original traditional side
Method is such as: mull technique, it is impossible to meet the needs of people's daily life for pressure sintering etc., it is therefore desirable to the method pair of coextrusion
Raw material is processed, it is multi-layer co-extruded it is compound be using several extruders are of the same race or xenogenesis resin while squeezing into a compound die head
In, each layer resin converges to form one in or beyond die head, becomes laminated film through cooling and shaping after extrusion is compound.Coextrusion
Compound is mainly characterized by: extrusion molding of plural layers, simple process, saves the energy, high production efficiency, and cost
It is low；Laminated film is soft, comfortable feel；Cause is between layers without using adhesive, so residual solvent problem is not present, it is thin
Film free from extraneous odour, the packaging suitable for food and medical apparatus etc..TPO material is as a kind of green, economic, environmental protection material, tool
There is the features such as heat preservation, heat-insulated, had been widely used in construction and decoration field, especially the surface layer of partition wall, crown wall indoors
It necessarily can't do without the improvement to original production industry, therefore just use co-extrusion as the demand of TPO is increasing in finishing field
Method out can largely accelerate the manufacturing schedule of TPO synthetic leather.
Summary of the invention
The present invention solves the technical problem of: in view of the deficiencies of the prior art, provide a kind of case-hardened scratch resistance
The method for applying TPO synthetic leather, multilayer raw material can be processed, be made more without original mull technique, pressure sintering
Layer TPO synthetic leather, while the use of interlayer adhesive can be reduced, it is combined between each layer also more preferably, synthetic leather has better
Mechanical property, Surface hardened layer, resistance to blade coating.Simultaneously using the method for coextrusion, manufacturing cost is reduced.
In order to solve the technical problem, one technical scheme adopted by the invention is that: a kind of case-hardened TPO of resistance to blade coating is provided
The method of synthetic leather, gained multilayered molten be coextruded the low cost of TPO synthetic leather, anti-flammability, tension rise good performance, resistance to blade coating,
Processing method is simple, promotes the use of.The technical scheme of the present invention is realized as follows: a kind of case-hardened resistance to blade coating TPO is closed
Finished leather, TPO substrate, TPO substrate upper surface harden and the foam layer material of scratch resistant material, TPO substrate lower surface.The multilayer is molten
The overall thickness for melting coextrusion TPO synthetic leather is 1-3mm；It is total that the overall thickness of TPO substrate accounts for multilayered molten coextrusion TPO synthetic leather
The scratch resistance coating material of the 50-80% of thickness, TPO substrate upper surface, which is surmised, accounts for multilayered molten coextrusion TPO synthetic leather overall thickness
The foam layer material of 5-10%, TPO substrate lower surface accounts for the 30-50% of multilayered molten coextrusion TPO synthetic leather overall thickness.It is described
TPO substrate is made of following materials in percentage by mass: 40-60 parts of block copolymerization polypropylene, 10-20 parts of polyolefin elastomer, being gathered
20-30 parts of ethylene, 0.03-1 parts of light stabilizer, pigment 8-10 parts of light stabilizer 0.1-0.5,5-20 parts of anti-wear agent, pigment 5-10
Part.TPO Surface hardened layer scratch resistance coating material is made of following materials in percentage by mass: 20~30 parts of epoxy resin, glass powder 10
~15 parts, 10~15 parts of ceramic microsphere, 1~10 part of diluent, 10~20 parts of each analog assistant, is filled out by 30~50 parts of polyolefin resin
20~30 parts, 5~15 parts of curing components agent, 1~3 part of coupling agent, 1~3 part of promotor of material.The multilayered molten coextrusion
TPO synthetic leather, the foam layer material of PO substrate lower surface are PS or PP.The light stabilizer can be salicylic acid lipid, two
Benzophenone class, triazines, replaces acrylonitrile class, Oxamides, organo-nickel compounds class, hindered amines at benzotriazole.This hair
Bright another is designed to provide a kind of preparation method of multilayered molten coextrusion TPO synthetic leather, by following each step:
(1) the resistance to scraping coating of hardening for preparing TPO substrate upper surface, by the hardening scratch resistance coating material of TPO substrate upper surface
Melting extrusion obtains master batch after pelletizing, by master batch by the way that after extruder melting extrusion, metering is distributed to first layer, the machine of extruder
Body temperature: 120 DEG C~150 DEG C；Screw speed is controlled in 20~50r/min；
(2) TPO substrate layer is prepared, by the raw material of following mass percents: 40-60 parts of block copolymerization polypropylene, polyolefin
10-20 parts of elastomer, 0.1-0.5 parts 20-30 parts of polyethylene, 0.03-1 parts of light stabilizer, 8-10 parts of pigment of light stabilizer are wear-resisting
5-20 parts of agent, 5-10 parts of melting extrusions of pigment obtain master batch after pelletizing, by master batch by the way that after extruder melting extrusion, metering is distributed
To the second layer, the body temperature of extruder: 120 DEG C~150 DEG C；Screw speed is controlled in 20~50r/min；
(3) it prepares the froth bed of TPO substrate lower surface: by PP PS melting extrusion, master batch is obtained after pelletizing, master batch is led to
After crossing extruder melting extrusion, squeeze into layer of the metering distribution to third layer, the body temperature of extruder: 120 DEG C~150 DEG C；Spiral shell
Bar revolving speed is controlled in 20~50r/min；
(4) the above-mentioned melting jelly for respectively squeezing into layer is squeezed out by same die head, through conventional three-roll press-polishing, cooling, is led
Draw, wind to get multilayered molten coextrusion TPO synthetic leather is arrived
(5) back applies: the froth bed in TPO substrate lower surface coats a strata alkene adhesive, dries, cooling, obtains
TPO synthetic leather.
It compared to existing technology, will the invention has the following advantages: the present invention is using melting coextrusion combination process
The raw material difference melting extrusion metering of different layers, is converged by respective runner in the same die head, then compound through being cooled and shaped
Together.It is combined by formulation optimization, each layer gives full play to the function of each layer, improves the various power of TPO composite lether significantly
Performance is learned, the production technology for optimizing original TPO composite lether reduces production cost while accelerating production efficiency.It adopts
With this method produce multilayered molten TPO composite lether, can be widely applied to food and medical apparatus, especially indoors partition wall,
The surface layer finishing domain requirement of crown wall is increasing.The polymer masterbatch of different function is passed through three in molten condition by the present invention
Extruder squeeze out metering after be pooled to same die head extrusion foaming, i.e., by the polymer masterbatch of different function through fusion plastification through counting
It squeezes into each laminar flow road of same die head and squeezes out after amount pump-metered, obtain multiple-layer stacked molten extrudate, obtained by sharp cooling roll
A kind of multilayered molten coextrusion TPO synthetic leather can be arrived to diaphragm, then through press polish, cooling, cooling, corona, winding.Using the party
The TPO synthetic leather of method preparation, production cost is low, and process flow is shorter, and investment more saves, and has the advantages that efficient, high finished product rate, can
Meet industrial production demand.
Detailed description of the invention
Fig. 1 is the structure schematic side view of present example；
In figure: 1- hardening and scratch resistant material；2-TPO substrate；3- foam layer material
Specific embodiment
Example one:
(1) the resistance to scraping coating of hardening for preparing TPO substrate upper surface, by the hardening scratch resistance coating material of TPO substrate upper surface
Melting extrusion obtains master batch after pelletizing, by master batch by the way that after extruder melting extrusion, metering is distributed to first layer, the machine of extruder
Body temperature: 120 DEG C~150 DEG C；Screw speed is controlled in 20~50r/min；
(2) TPO substrate layer is prepared, by the raw material of following mass percents: 40 parts of block copolymerization polypropylene, polyolefin elastic
10 parts of body, 30 parts of polyethylene, 1 part of light stabilizer, 10 parts of pigment, 0.5 part of light stabilizer, 20 parts of anti-wear agent, 10 parts of pigment meltings are squeezed
Out, master batch is obtained after pelletizing, by master batch by the way that after extruder melting extrusion, metering is distributed to the second layer, the body temperature of extruder:
120 DEG C~150 DEG C；Screw speed is controlled in 20~50r/min；
(3) it prepares the froth bed of TPO substrate lower surface: by PP PS melting extrusion, master batch is obtained after pelletizing, master batch is led to
After crossing extruder melting extrusion, squeeze into layer of the metering distribution to third layer, the body temperature of extruder: 120 DEG C~150 DEG C；Spiral shell
Bar revolving speed is controlled in 20~50r/min；
(4) the above-mentioned melting jelly for respectively squeezing into layer is squeezed out by same die head, through conventional three-roll press-polishing, cooling, is led
Draw, wind to get multilayered molten coextrusion TPO synthetic leather is arrived
(5) back applies: the froth bed in TPO substrate lower surface coats a strata alkene adhesive, dries, cooling, obtains
TPO synthetic leather.
Example two:
(1) the resistance to scraping coating of hardening for preparing TPO substrate upper surface, by the hardening scratch resistance coating material of TPO substrate upper surface
Melting extrusion obtains master batch after pelletizing, by master batch by the way that after extruder melting extrusion, metering is distributed to first layer, the machine of extruder
Body temperature: 120 DEG C~150 DEG C；Screw speed is controlled in 20~50r/min；
(2) TPO substrate layer is prepared, by the raw material of following mass percents: 50 parts of block copolymerization polypropylene, polyolefin elastic
15 parts of body, 25 parts of polyethylene, 0.5 part of light stabilizer, 9 parts of pigment, 0.3 part of light stabilizer, 10 parts of anti-wear agent, 7 parts of pigment meltings are squeezed
Out, master batch is obtained after pelletizing, by master batch by the way that after extruder melting extrusion, metering is distributed to the second layer, the body temperature of extruder:
120 DEG C~150 DEG C；Screw speed is controlled in 20~50r/min；
(3) it prepares the froth bed of TPO substrate lower surface: by PP PS melting extrusion, master batch is obtained after pelletizing, master batch is led to
After crossing extruder melting extrusion, squeeze into layer of the metering distribution to third layer, the body temperature of extruder: 120 DEG C~150 DEG C；Spiral shell
Bar revolving speed is controlled in 20~50r/min；
(4) the above-mentioned melting jelly for respectively squeezing into layer is squeezed out by same die head, through conventional three-roll press-polishing, cooling, is led
Draw, wind to get multilayered molten coextrusion TPO synthetic leather is arrived
(5) back applies: the froth bed in TPO substrate lower surface coats a strata alkene adhesive, dries, cooling, obtains
TPO synthetic leather.
Example three:
(1) the resistance to scraping coating of hardening for preparing TPO substrate upper surface, by the hardening scratch resistance coating material of TPO substrate upper surface
Melting extrusion obtains master batch after pelletizing, by master batch by the way that after extruder melting extrusion, metering is distributed to first layer, the machine of extruder
Body temperature: 120 DEG C~150 DEG C；Screw speed is controlled in 20~50r/min；
(2) TPO substrate layer is prepared, by the raw material of following mass percents: 60 parts of block copolymerization polypropylene, polyolefin elastic
20 parts of body, 20 parts of polyethylene, 0.1 part of light stabilizer, 8 parts of pigment, 0.2 part of light stabilizer, 5 parts of anti-wear agent, 5 parts of pigment meltings are squeezed
Out, master batch is obtained after pelletizing, by master batch by the way that after extruder melting extrusion, metering is distributed to the second layer, the body temperature of extruder:
120 DEG C~150 DEG C；Screw speed is controlled in 20~50r/min；
(3) it prepares the froth bed of TPO substrate lower surface: by PP PS melting extrusion, master batch is obtained after pelletizing, master batch is led to
After crossing extruder melting extrusion, squeeze into layer of the metering distribution to third layer, the body temperature of extruder: 120 DEG C~150 DEG C；Spiral shell
Bar revolving speed is controlled in 20~50r/min；
(4) the above-mentioned melting jelly for respectively squeezing into layer is squeezed out by same die head, through conventional three-roll press-polishing, cooling, is led
Draw, wind to get multilayered molten coextrusion TPO synthetic leather is arrived
(5) back applies: the froth bed in TPO substrate lower surface coats a strata alkene adhesive, dries, cooling, obtains
TPO synthetic leather
Claims (10)
1. the present invention discloses a kind of method that multi-layer co-extruded method continuously prepares case-hardened scratch resistant TPO synthetic leather, feature
It is, comprising: TPO substrate, TPO substrate upper surface harden and the foam layer material of scratch resistant material, TPO substrate lower surface.It will be described
Multilayer material is coextruded, carries on the back painting, and multilayered molten coextrusion TPO synthetic leather is obtained.
2. multi-layer co-extruded method according to claim 1 continuously prepares case-hardened scratch resistant TPO synthetic leather, feature exists
In the multilayer material number of plies can be 2-7 layers.
3. multi-layer co-extruded method continuously prepares case-hardened scratch resistant TPO synthetic leather according to claim 1, it is characterised in that total thickness
Degree is 1mm-3mm；The overall thickness of TPO substrate accounts for the 50-80% of multilayered molten coextrusion TPO synthetic leather overall thickness, on TPO substrate
The scratch resistance coating material on surface surmises the 5-10% for accounting for multilayered molten coextrusion TPO synthetic leather overall thickness, the bubble of TPO substrate lower surface
Foam layer material accounts for the 30-50% of multilayered molten coextrusion TPO synthetic leather overall thickness.
4. multi-layer co-extruded method continuously prepares case-hardened scratch resistant TPO synthetic leather according to claim 1, it is characterised in that: institute
TPO substrate is stated to be made of following materials in percentage by mass: 40-60 parts of block copolymerization polypropylene, 10-20 parts of polyolefin elastomer,
20-30 parts of polyethylene, 0.03-1 parts of light stabilizer, 8-10 parts of pigment, light stabilizer 0.1-0.5,5-20 parts of anti-wear agent, pigment 5-
10 parts.
5. multi-layer co-extruded method continuously prepares case-hardened scratch resistant TPO synthetic leather according to claim 1, it is characterised in that: institute
The resistance to blade coating material of hardening is stated to be made of following materials in percentage by mass: 20~30 parts of epoxy resin, 10~15 parts of glass powder, ceramics
10~15 parts of microballoon, 1~10 part of diluent, 10~20 parts of each analog assistant, 30~50 parts of polyolefin resin, 20~30 parts of filler,
5~15 parts of curing components agent, 1~3 part of coupling agent, 1~3 part of promotor.
6. multi-layer co-extruded method according to claim 1 continuously prepares case-hardened scratch resistant TPO synthetic leather, feature exists
In: the foam layer material of TPO substrate lower surface is PS or PP.
7. multi-layer co-extruded method according to claim 1 continuously prepares case-hardened scratch resistant TPO synthetic leather, feature exists
In: the mode of coextrusion is to squeeze out the melting jelly that the multilayer material respectively squeezes into layer by same die head, through conventional three
Roll-in light, cooling, traction, winding, back, which apply, is coextruded TPO synthetic leather to get to multilayered molten.
8. TPO synthetic leather according to claim 4, which is characterized in that the light stabilizer can be salicylic acid lipid, two
Benzophenone class, triazines, replaces acrylonitrile class, Oxamides, organo-nickel compounds class, hindered amines at benzotriazole.
9. a kind of preparation method of case-hardened resistance to blade coating TPO synthetic leather, it is characterised in that pass through following each step:
(1) prepare TPO substrate upper surface hardening and scratch resistant material, by the hardening of TPO substrate upper surface and scratch resistant material molten
It squeezes out, master batch is obtained after pelletizing, by master batch by the way that after extruder melting extrusion, metering is distributed to first layer, the fuselage temperature of extruder
Degree: 120 DEG C~150 DEG C；Screw speed is controlled in 20~50r/min；
(2) TPO substrate layer is prepared, by the raw material of following mass percents: 40-60 parts of block copolymerization polypropylene, polyolefin elastic
10-20 parts of body, 20-30 parts of polyethylene, 0.03-1 parts of light stabilizer, 8-10 parts of pigment, 0.1-0.5 parts of light stabilizer, anti-wear agent
5-20 parts, 5-10 parts of melting extrusions of pigment obtain master batch after pelletizing, by master batch by the way that after extruder melting extrusion, metering distribution is extremely
The second layer, the body temperature of extruder: 120 DEG C~150 DEG C；Screw speed is controlled in 20~50r/min；
(3) it prepares the froth bed of TPO substrate lower surface: by PP PS melting extrusion, master batch is obtained after pelletizing, by master batch by squeezing
Out after machine melting extrusion, squeeze into layer of the metering distribution to third layer, the body temperature of extruder: 120 DEG C~150 DEG C；Screw rod turns
Speed control is in 20~50r/min；
(4) the above-mentioned melting jelly for respectively squeezing into layer is squeezed out by same die head, through conventional three-roll press-polishing, cooling, traction, receipts
Volume is coextruded TPO synthetic leather to get to multilayered molten
(5) back applies: the froth bed in TPO substrate lower surface coats a strata alkene adhesive, dries, cooling, obtains TPO conjunction
Finished leather.
10. preparation method according to claim 8, it is characterised in that: step (5) the cooling temperature control exists: 30 DEG C
~45 DEG C, die head temperature of each section is controlled at 120 DEG C~150 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910512798.0A CN110183992A (en) | 2019-06-13 | 2019-06-13 | A kind of method of case-hardened resistance to blade coating TPO synthetic leather |
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| CN201910512798.0A CN110183992A (en) | 2019-06-13 | 2019-06-13 | A kind of method of case-hardened resistance to blade coating TPO synthetic leather |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527360A (en) * | 2019-09-16 | 2019-12-03 | 深圳市刚塑科技有限公司 | A kind of surface of polymer material hardening anti-scratch coating and preparation method thereof |
| CN112706487A (en) * | 2020-12-23 | 2021-04-27 | 广德祥源新材科技有限公司 | One-step forming spraying-free wood grain foam and production process thereof |
-
2019
- 2019-06-13 CN CN201910512798.0A patent/CN110183992A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110527360A (en) * | 2019-09-16 | 2019-12-03 | 深圳市刚塑科技有限公司 | A kind of surface of polymer material hardening anti-scratch coating and preparation method thereof |
| CN112706487A (en) * | 2020-12-23 | 2021-04-27 | 广德祥源新材科技有限公司 | One-step forming spraying-free wood grain foam and production process thereof |
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