CN106497089A - A kind of TPE material of cladding PP skeletons and preparation method thereof - Google Patents
A kind of TPE material of cladding PP skeletons and preparation method thereof Download PDFInfo
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- CN106497089A CN106497089A CN201610886792.6A CN201610886792A CN106497089A CN 106497089 A CN106497089 A CN 106497089A CN 201610886792 A CN201610886792 A CN 201610886792A CN 106497089 A CN106497089 A CN 106497089A
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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
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
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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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Abstract
The present invention relates to a kind of TPE material for coating PP skeletons and preparation method thereof.A kind of TPE material of cladding PP skeletons, it is characterised in that including hydrogenated styrene butadiene styrene block copolymer（SEBS）, naphthenic oil, polypropylene（PP）, scratch-resistant auxiliary agent and antioxidant, parts by weight shared by each raw material are：Hydrogenated styrene butadiene styrene block copolymer（SEBS）100 parts, 120 140 parts of naphthenic oil, polypropylene（PP）50 70 parts, 12 parts of scratch-resistant auxiliary agent, 0.4 0.6 parts of antioxidant.The TPE material has and PP Material cladding excellent performances, and case hardness is low, and sense of touch is soft.
Description
Technical field
A kind of the present invention relates to technical field of polymer materials, more particularly it relates to TPE materials of cladding PP skeletons
Material and preparation method thereof.
Background technology
Thermoplastic elastomer (TPE) TPE (Thermoplastic Elastomer) is a kind of high resiliency with rubber, high-strength
Degree, high resilience, and with can injection molding feature material.TPE has environment-protecting asepsis safety, and hardness range is wide, has excellent
Good coloring, soft-touch, weatherability, fatigue resistance and temperature tolerance, processing characteristics are superior, many advantages, such as need not vulcanizing,
Accordingly, as a kind of new multifunctional environment friendly material, there is TPE boundless application market, such as household electrical appliance, physical culture to use
Product, automotive material, medical apparatus and instruments, building industry and shoe industry etc..At present, TPE material is usually with thermoplastic elastomer (TPE) hydrogenation of benzene
Ethylene-butadiene-styrene block copolymer (SEBS), thermoplastic polypropylene and some suitable fillers are raw material system
Obtained from standby.SEBS elastomer blocks are hydrogenated completely so as to excellent weather resistance, to ozone, ultraviolet,
Electric arc has good toleration, also makes it have resistance to low temperature, still keeps the spies such as good pliability under the conditions of -60 DEG C
Point.Although SEBS has excellent caoutchouc elasticity, excellent weatherability, lower temperature resistance, environmental-protecting performance etc., using SEBS as bullet
Elastomer material is used alone is present, such as SEBS compared with traditional vulcanite has rigid excessive, compression and becomes
The shortcomings of shape is big, density is high；The aspect such as its use temperature upper limit and solvent resistance, oil resistivity is generally all not as good as conventional vulcanized rubbers
Deng.Elastomer is modified using other components are added in the elastomer, is novel high polymer of the exploitation with combination property
One of optimal path of elastomeric material.
Thermoplastic elastomer (TPE) is molded cladding process and rigid backbone Material cladding by moccasin, can improve product surface
Soft feeling, can lift the performances such as anticollision, waterproof, anti-skidding, damping, comfortableness.Based on its excellent characteristic, thermoplastic elastomer (TPE) exists
Application on Overmolded has extensive concern and good development prospect.
PP is cheap, the melting viscosity that can reduce SEBS using PP modified SEBSs, makes SEBS easy to process.PP conducts
The rigid backbone of cladding, can be effectively improved the mechanical property and thermodynamic property of clad products.
Content of the invention
It is an object of the invention to provide a kind of TPE material of cladding PP skeletons and preparation method thereof, the TPE material have with
PP Material cladding excellent performances, case hardness are low, and sense of touch is soft.
In order to realize foregoing invention purpose, technical scheme below, a kind of TPE materials of cladding PP skeleton is this invention takes
Material, it is characterised in that including hydrogenated styrene-butadiene-styrene block copolymers (SEBS), naphthenic oil, polypropylene (PP),
Scratch-resistant auxiliary agent and antioxidant, parts by weight shared by each raw material are：
By adopting above-mentioned technical proposal, SEBS is the hydrogenation products of thermoplastic elastomer SBS.The SBS being hydrogenated due to
There are 1,2 structures of high level, consist of polystyrene (S) polyethylene (E) polybutene (B) polyphenyl after hydrogenation
Ethylene (S), therefore referred to as SEBS.As the carbon-carbon double bond of butadiene section in SEBS is hydrogenated saturation, thus which has well
Weatherability, thermostability, compression resistant morphotropism and excellent mechanical property.As a kind of preferred implementation of the present invention, institute
State SEBS soft low viscosity SEBS powder (white powder) for YH-503 linear structures, wherein S components and B component mass ratio are 30/
70, tensile strength of material 26.5MPa, elongation at break 480%, hardness 75A.
By adopting above-mentioned technical proposal, the naphthenic oil is low viscous Kelamayi KN4010, with saturated cyclic
Carbon-chain structure, the features such as with low pour point, high density, high viscosity, and saturation side chain of would generally ining succession on ring, make naphthenic oil existing
The some properties of aromatic hydrocarbon, and some properties with straight-chain hydrocarbons.As a kind of preferred implementation of the present invention, the cycloalkanes
Oil is used as softening agent, viscosity 10.06mm2/s (100 DEG C), density 899.3kg/m3, 215 DEG C of flash-point, can play improves its processing
Mobility, reaches the purpose of high fluidity.
By adopting above-mentioned technical proposal, the PP is acrylic resin, and acrylic resin is added in SEBS, PP and EB chains
Section can be with fully compatible so that strand is more soft, so as to increase the elasticity of product so as to soft feel and power
Learn performance.Used as a kind of preferred implementation of the present invention, the PP is the preferable homopolymerization type injection grade PP material of mobility, molten
Body melt index 37g/10min, density 0.98g/cm3, hardness 70R, notch impact strength 22J/m2, tensile strength 32MPa.
By adopting above-mentioned technical proposal, described scratch-resistant auxiliary agent (or scratch resistance liniment) is called silicone, and main component is super
The white powder of high molecular weight silicone polymer.Silicone has excellent chemical stability and heat resistance, as thermoplasticity
The processing aid and surface modifier of material, can improve the mobility and glossiness of processing, reduce coefficient of friction.As this
A kind of bright preferred implementation, the scratch resistance liniment are the silicone scratch resistance liniment AS100 for winning wound Degussa.
By adopting above-mentioned technical proposal, the antioxidant is composite antioxidant, be main anti-oxidant 1010 with auxiliary
Antioxidant 168 is helped according to 1:2 mass ratio allotment is formed.Main anti-oxidant 1010 is four [methyl-β-(3,5- bis- tertiary fourths
Base -4- hydroxy phenyls) propionic ester] pentaerythritol ester.Auxiliary antioxidant 168 is three [2.4- di-tert-butyl-phenyls] phosphorous acid
Ester.Formulated composite antioxidant B215 is stable in properties, and outward appearance is white crystalline powder, has prominent adding to polyolefin
Apt qualitative, can effectively suppress the thermal degradation and oxidative degradation of polymer, have to product long-effective protection to act on.As the present invention
A kind of preferred implementation, the antioxidant from BASF Aktiengesellschaft B215 antioxidants.
The preparation method of the TPE material of above-mentioned a kind of cladding PP skeletons, it is characterised in that comprise the steps：
1) parts by weight as shared by each raw material are：
Choose hydrogenated styrene-butadiene-styrene block copolymers (SEBS), naphthenic oil, polypropylene (PP), scratch-resistant
Auxiliary agent and antioxidant, standby；
2) first by hydrogenated styrene-butadiene-styrene block copolymers (SEBS, powdery) and naphthenic oil in mixed at high speed
With 500r/min mixing 5min in machine, 20min is then placed；
3) polypropylene (PP), scratch-resistant auxiliary agent and antioxidant are added step 2) in the mixer that stands, with 1000r/
Min mixing 5min；Obtain premix material；
4) by step 3) premix material of gained is added to extruding pelletization in double screw extruder, and extrusion temperature is 180-210
DEG C, head temperature is 200 DEG C, obtains the TPE material (master batch) for coating PP skeletons.
Application：First injection PP skeletons { material of PP skeletons be polypropylene (PP) }, by pelletize after cladding PP skeletons TPE
It is Overmolded with PP skeletons in material (master batch) addition injection machine that (formation TPE clads, TPE clads are coated on PP skeletons
Outward), cladding thickness is 1-2mm.
The present invention compared with prior art, mainly has advantages below and innovation：
1. the present invention is by the research to TPE material formula, it is proposed that a kind of new TPE material.New material is different from mesh
Front TPE material, its viscosity are low, good fluidity, excellent with PP material covering properties.
2. the present invention is molded the preparation method of TPE clads afterwards using PP skeletons are first molded, and completes coating and injection moulding part product
Product, reduce can coated prod case hardness, obtain more preferable sense of touch.
The present invention is applied to the preparation of the external coating of automotive trim instrument board.
Description of the drawings
Front view and its size of the Fig. 1 for present invention injection exemplar (i.e. " PP skeletons "), unit mm.
Top view and its size of the Fig. 2 for present invention injection exemplar (i.e. " PP skeletons "), unit mm.
Fig. 3 is the test comparative result figure that the present invention and tradition TPE coat exemplar peel strength.
Fig. 4 is the present invention and the test comparative result figure without cladding PP material exemplar shore hardnesses.
Specific embodiment
With reference to embodiment and accompanying drawing, the invention will be further described, but does not limit the present invention.
In following embodiments：The SEBS is that YH-503 linear structures are soft low viscosity SEBS powder (white powder), wherein S
Component and B component mass ratio are 30/70, tensile strength of material 26.5MPa, elongation at break 480%, hardness 75A.
The naphthenic oil is low viscous Kelamayi KN4010, and the naphthenic oil is used as softening agent, viscosity 10.06mm2/
S (100 DEG C), density 899.3kg/m3, 215 DEG C of flash-point.
The PP be the preferable homopolymerization type injection grade PP material of mobility, solution melt index 37g/10min, density
0.98g/cm3, hardness 70R, notch impact strength 22J/m2, tensile strength 32MPa.
Described scratch-resistant auxiliary agent (or scratch resistance liniment) is called silicone, and main component is super high molecular weight siloxane polymer
White powder；Such as：Win the silicone scratch resistance liniment AS100 of wound Degussa.
The antioxidant is composite antioxidant, is main anti-oxidant 1010 with auxiliary antioxidant 168 according to 1:2
Mass ratio allotment is formed.Such as：B215 antioxidants from BASF Aktiengesellschaft.
Embodiment 1：
A kind of preparation method of the TPE material of cladding PP skeletons, comprises the steps：
1) parts by weight as shared by each raw material are：
Choose hydrogenated styrene-butadiene-styrene block copolymers (SEBS), naphthenic oil, polypropylene (PP), scratch-resistant
Auxiliary agent and antioxidant, standby；
2) first by hydrogenated styrene-butadiene-styrene block copolymers (SEBS, powdery) and naphthenic oil in mixed at high speed
With 500r/min mixing 5min in machine, 20min is then placed；
3) polypropylene (PP), scratch-resistant auxiliary agent and antioxidant are added step 2) in the mixer that stands, with 1000r/
Min mixing 5min；Obtain premix material；
4) by step 3) premix material of gained is added to extruding pelletization in double screw extruder, and extrusion temperature is 180-210
DEG C, head temperature is 200 DEG C, obtains the TPE material (master batch) for coating PP skeletons.
Application：First injection PP skeletons { material of PP skeletons is polypropylene (PP) }, that is, be molded exemplar, as shown in Figure 1 and Figure 2：
PP materials are added injection mo(u)lding hard plastic batten in injection machine, hard plastic batten is thinned to 2mm, as the skeleton of cladding.Will
Overmolded with PP skeletons in TPE material (master batch) the addition injection machine of the cladding PP skeletons after pelletize (TPE clads are formed,
TPE clads are coated on outside PP skeletons), the exemplar for forming 2mmPP skeletons and 2mmTPE clads (coats exemplar, which coats
Thickness is 2mm).
The cladding exemplar that the present invention is obtained is positioned on disbonded test instrument with tradition TPE cladding exemplars and tests both
Combined strength bination, checks covering property.As shown in figure 3, explanation TPE material of the present invention has and PP Material cladding excellent performances.
By the present invention obtain cladding exemplar with without cladding PP material exemplars be positioned on durometer test surface both hard
Degree, checks surface touch.
Disbonded test proves that the composite performance of the cladding exemplar that the present invention is obtained is better than traditional cladding exemplar, and hardness is measured
Examination proves that the cladding exemplar that the present invention is obtained can substantially reduce the case hardness (as shown in Figure 4) of exemplar, improve the surface of exemplar
Sense of touch.
Embodiment 2：
A kind of preparation method of the TPE material of cladding PP skeletons, comprises the steps：
1) parts by weight as shared by each raw material are：
Choose hydrogenated styrene-butadiene-styrene block copolymers (SEBS), naphthenic oil, polypropylene (PP), scratch-resistant
Auxiliary agent and antioxidant, standby；
2) first by hydrogenated styrene-butadiene-styrene block copolymers (SEBS, powdery) and naphthenic oil in mixed at high speed
With 500r/min mixing 5min in machine, 20min is then placed；
3) polypropylene (PP), scratch-resistant auxiliary agent and antioxidant are added step 2) in the mixer that stands, with 1000r/
Min mixing 5min；Obtain premix material；
4) by step 3) premix material of gained is added to extruding pelletization in double screw extruder, and extrusion temperature is 180-210
DEG C, head temperature is 200 DEG C, obtains the TPE material (master batch) for coating PP skeletons.
Application is with embodiment 1.
The cladding exemplar that the present invention is obtained is positioned on disbonded test instrument with tradition TPE cladding exemplars and tests both
Combined strength bination, checks covering property.As shown in figure 3, explanation TPE material of the present invention has and PP Material cladding excellent performances.
By the present invention obtain cladding exemplar with without cladding PP material exemplars be positioned on durometer test surface both hard
Degree, checks surface touch.
Disbonded test proves that the composite performance of the cladding exemplar that the present invention is obtained is better than traditional cladding exemplar, and hardness is measured
Examination proves that the cladding exemplar that the present invention is obtained can substantially reduce the case hardness (as shown in Figure 4) of exemplar, improve the surface of exemplar
Sense of touch.
Embodiment 3：
A kind of preparation method of the TPE material of cladding PP skeletons, comprises the steps：
1) parts by weight as shared by each raw material are：
Choose hydrogenated styrene-butadiene-styrene block copolymers (SEBS), naphthenic oil, polypropylene (PP), scratch-resistant
Auxiliary agent and antioxidant, standby；
2) first by hydrogenated styrene-butadiene-styrene block copolymers (SEBS, powdery) and naphthenic oil in mixed at high speed
With 500r/min mixing 5min in machine, 20min is then placed；
3) polypropylene (PP), scratch-resistant auxiliary agent and antioxidant are added step 2) in the mixer that stands, with 1000r/
Min mixing 5min；Obtain premix material；
4) by step 3) premix material of gained is added to extruding pelletization in double screw extruder, and extrusion temperature is 180-210
DEG C, head temperature is 200 DEG C, obtains the TPE material (master batch) for coating PP skeletons.
Application is with embodiment 1.
The cladding exemplar that the present invention is obtained is positioned on disbonded test instrument with tradition TPE cladding exemplars and tests both
Combined strength bination, checks covering property.As shown in figure 3, explanation TPE material of the present invention has and PP Material cladding excellent performances.
By the present invention obtain cladding exemplar with without cladding PP material exemplars be positioned on durometer test surface both hard
Degree, checks surface touch.
Disbonded test proves that the composite performance of the cladding exemplar that the present invention is obtained is better than traditional cladding exemplar, and hardness is measured
Examination proves that the cladding exemplar that the present invention is obtained can substantially reduce the case hardness (as shown in Figure 4) of exemplar, improve the surface of exemplar
Sense of touch.
The present invention is not restricted in description and embodiment listed utilization, for those skilled in the art comes
Say, various corresponding changes and modification can be made according to the present invention, and all these corresponding changes and modification belong to this
Bright scope of the claims.
Claims (10)
1. a kind of TPE material of cladding PP skeletons, it is characterised in that including SEBS block copolymerization
Thing（SEBS）, naphthenic oil, polypropylene（PP）, scratch-resistant auxiliary agent and antioxidant, parts by weight shared by each raw material are：
Hydrogenated styrene-butadiene-styrene block copolymers（SEBS）100 parts,
Naphthenic oil 120-140 parts,
Polypropylene（PP）50-70 parts,
Scratch-resistant auxiliary agent 1-2 parts,
Antioxidant 0.4-0.6 parts.
2. the TPE material of a kind of cladding PP skeletons according to claim 1, it is characterised in that：Hydrogenated styrene-the fourth
Styrene block copolymer（SEBS）For the soft low viscosity SEBS powder of YH-503 linear structures, wherein S components and B component
Mass ratio is 30/70.
3. the TPE material of a kind of cladding PP skeletons according to claim 1, it is characterised in that：The naphthenic oil is low viscous
The Kelamayi KN4010 of degree, viscosity 10.06mm2/s (100 DEG C), density 899.3kg/m3.
4. the TPE material of a kind of cladding PP skeletons according to claim 1, it is characterised in that：The PP be mobility compared with
Good homopolymerization type injection grade PP material, solution melt index 37g/10min, density 0.98g/cm3.
5. the TPE material of a kind of cladding PP skeletons according to claim 1, it is characterised in that：The scratch-resistant auxiliary agent is
Silicone.
6. the TPE material of a kind of cladding PP skeleton according to claim 1 or 4, it is characterised in that：The scratch-resistant auxiliary agent
For winning the silicone scratch resistance liniment AS100 of wound Degussa.
7. the TPE material of a kind of cladding PP skeletons according to claim 1, it is characterised in that：The antioxidant is multiple
Antioxidant is closed, is antioxidant 1010 with antioxidant 168 according to 1:2 mass ratio allotment is formed.
8. a kind of preparation method of the TPE material of cladding PP skeletons as claimed in claim 1, it is characterised in that including following step
Suddenly：
1）Parts by weight as shared by each raw material are：
Hydrogenated styrene-butadiene-styrene block copolymers（SEBS）100 parts,
Naphthenic oil 120-140 parts,
Polypropylene（PP）50-70 parts,
Scratch-resistant auxiliary agent 1-2 parts,
Antioxidant 0.4-0.6 parts,
Choose hydrogenated styrene-butadiene-styrene block copolymers（SEBS）, naphthenic oil, polypropylene（PP）, scratch-resistant auxiliary agent
And antioxidant, standby；
2）First by hydrogenated styrene-butadiene-styrene block copolymers（SEBS）Mix in high-speed mixer with naphthenic oil；
3）By polypropylene（PP）, scratch-resistant auxiliary agent and antioxidant add step 2）In the mixer of standing, mixing is premixed
Material；
4）By step 3）The premix material of gained is added to extruding pelletization in double screw extruder, obtains the TPE materials for coating PP skeletons
Material.
9. a kind of preparation method of the TPE material of cladding PP skeletons as claimed in claim 8, it is characterised in that：Step 2）In
With 500r/min mixing 5min, 20min is then placed；Step 3）In with 1000r/min mixing 5min；Step 4）Middle extrusion temperature
For 180-210 DEG C, head temperature is 200 DEG C.
10. a kind of application of the TPE material of cladding PP skeletons as claimed in claim 1, it is characterised in that：PP bone is first molded
Frame, by pelletize after cladding PP skeletons TPE material add injection machine in Overmolded with PP skeletons, cladding thickness be 1-2
mm.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107652694A (en) * | 2017-10-25 | 2018-02-02 | 武汉理工大学 | TPE material that a kind of magnesium stearate is modified and preparation method thereof |
| CN115537031A (en) * | 2022-08-31 | 2022-12-30 | 台州市薇薇安工贸有限公司 | Manufacturing material of leather texture plastic daily necessities and plastic |
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| CN105061972A (en) * | 2015-08-19 | 2015-11-18 | 杨洋 | Low-TVOC thermoplastic elastomer composition for automotive interior trim and preparation method of low-TVOC thermoplastic elastomer composition |
| CN105255202A (en) * | 2015-11-18 | 2016-01-20 | 南通普力马弹性体技术有限公司 | Wear-resistant and high-resilience-rate TPE trundle material used for adhering to PP and preparation method |
| CN105315602A (en) * | 2015-10-27 | 2016-02-10 | 嘉兴市博尔塑胶有限公司 | TPE for coating plastic material and preparation method of TPE |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103725027A (en) * | 2013-12-27 | 2014-04-16 | 安徽科聚新材料有限公司 | High-resilience TPE (thermoplastic elastomer) material and preparation method thereof |
| CN105061972A (en) * | 2015-08-19 | 2015-11-18 | 杨洋 | Low-TVOC thermoplastic elastomer composition for automotive interior trim and preparation method of low-TVOC thermoplastic elastomer composition |
| CN105315602A (en) * | 2015-10-27 | 2016-02-10 | 嘉兴市博尔塑胶有限公司 | TPE for coating plastic material and preparation method of TPE |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107652694A (en) * | 2017-10-25 | 2018-02-02 | 武汉理工大学 | TPE material that a kind of magnesium stearate is modified and preparation method thereof |
| CN115537031A (en) * | 2022-08-31 | 2022-12-30 | 台州市薇薇安工贸有限公司 | Manufacturing material of leather texture plastic daily necessities and plastic |
| CN115537031B (en) * | 2022-08-31 | 2023-12-12 | 台州市薇薇安工贸有限公司 | Leather texture plastic daily necessities manufacturing material and plastic |
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Application publication date: 20170315 |