CN107974024A - Composition for thermoplastic elastomer and its preparation method and application - Google Patents
Composition for thermoplastic elastomer and its preparation method and application Download PDFInfo
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- CN107974024A CN107974024A CN201711386162.3A CN201711386162A CN107974024A CN 107974024 A CN107974024 A CN 107974024A CN 201711386162 A CN201711386162 A CN 201711386162A CN 107974024 A CN107974024 A CN 107974024A
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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
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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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
- C08L91/06—Waxes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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Abstract
The invention discloses a kind of composition for thermoplastic elastomer and its preparation method and application, the composition includes the raw material components of following parts by weight：The mixture of SEPS or SEEPS or SEPS and SEEPS, 20 150 parts；Ethylene octene block copolymerization alkene, 20 150 parts；Paraffin oil, 20 200 parts；Maleic anhydride grafting butadiene, 20 160 parts；Maleic anhydride inoculated polypropylene, 20 150 parts；Rubber powder, 10 200 parts；Silicone powder, 10 100 parts；Inorganic filler, 10 50 parts；DCP master batches 1.9 10%, TMPTMA1.9 10%；30 50 parts of PP particles.Its preparation method is：Thermoplastic elastic material and rubber powder are blended to form new thermoplastic elastomer blending system by two-step method.Using the thermoplastic elastomer (TPE) prepare floor it is resistance to it is wet and slippery, wear-resisting and weather resistance is high.
Description
Technical field
The invention belongs to polymer modification material and its production and processing field, and in particular to a kind of thermoplastic elastomer (TPE) combination
Thing and its preparation method and application.
Background technology
Athletic ground floor requires to have the following performance at the same time：Good shock absorbing capability and good ball resilience
Can, and require anti-slippery, wear-resisting.Shock absorbing capability can be reduced to be caused to damage to leg joint, and the scheme of solution is usual
It is higher yet with the expanded material compression ratio of low-density using low density expanded material, easily made after trampling for a long time
Into floor thick-ness inequality and depression problem, and then influence product and use, and ball resilience performance cannot meet design requirement.
For this reason, one layer of thermoplastic elastomehc is molded on the surface of polycrystalline substance frequently with the polycrystalline substance of hard in the prior art
Property body.Practice have shown that：Although the structure can meet ball resilience performance, during long-term use, shock absorbing capability
It is poor, it is impossible to meet the needs of high standard venue.
Floor how is allowed also to can guarantee that ball resilience performance while shock absorbing capability is improved, and it is anti-slippery, wear-resisting, resistance to
Hou Xing, can seldom be realized with homogenous material in the prior art.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of composition for thermoplastic elastomer, it is intended to solves existing single material
The defects of floor cannot meet shock absorbing capability and ball resilience performance at the same time, and anti-slippery, wear-resisting, weatherability is poor.
The another object of the embodiment of the present invention is the preparation method for providing above-mentioned composition for thermoplastic elastomer.
The another object of the embodiment of the present invention is the application for providing above-mentioned composition for thermoplastic elastomer.
The embodiment of the present invention is achieved in that a kind of composition for thermoplastic elastomer, includes the raw material of following parts by weight
Component：
SEPS and/or SEEPS, 20-150 parts；
Ethylene-octene block copolymerization alkene, 20-150 parts；
Paraffin oil, 20-200 parts；
Maleic anhydride grafting butadiene, 20-160 parts；
Maleic anhydride inoculated polypropylene, 20-150 parts；
Rubber powder, 10-200 parts；
Silicone powder, 10-100 parts；
Inorganic filler, 10-50 parts；
PP particles, 30-50 parts；
Account for the DCP master batches of the composition for thermoplastic elastomer gross weight 1.9%-10%；
And account for the TMPTMA of the composition for thermoplastic elastomer gross weight 1.9%-10%.
Preferably, the inorganic filler is calcium carbonate, talcum powder or clay.
The rubber powder is mixed by high styrene rubber powder and nitrile rubber powder.
Described SEPS, SEEPS are hydrogenated styrene isoprene-styrene triblock copolymer；
The DCP master batches are the cumyl peroxide master batch that purity is 40%；
The TMPTMA is trimethylol-propane trimethacrylate.
Present invention also offers a kind of preparation method of above-mentioned composition for thermoplastic elastomer, comprise the following steps：
Under the conditions of 50-80 DEG C, the SEP of 20-150 parts by weight and/or SEEPS are stirred well to no caking, add 20-
The paraffin oil of 200 parts by weight, which is stirred, is made oil-filled sizing material；
By the oil-filled sizing material and 20-150 parts by weight of ethylene-octene block copolymerization alkene, 20-160 parts by weight of maleic
Acid anhydride grafting butadiene, 20-150 parts by weight maleic anhydride graft polypropylene, 10-200 parts by weight of rubber powder, 10-100 parts by weight
Silicone powder, 10-50 weight parts of calcium carbonate, 30-50 parts of PP particles compounding are uniform, and particle A is made by double screw extruder；
Particle A described in 400-500 parts by weight is mixed with 10-50 parts of DCP master batches, 10-50 parts of TMPTMA by mixer
Uniformly, composition for thermoplastic elastomer is made by single screw extrusion machine.
Preferably, the barrel zone temperature of the double screw extruder is：One 130-140 DEG C of area, two 160-200 DEG C of areas, 3rd area
170-200 DEG C, four 170-200 DEG C of areas, five 170-200 DEG C of areas, six 170-200 DEG C of areas, seven 170-200 DEG C of areas, eight area 170-200
DEG C, 160-200 DEG C of head, the rotating speed of double screw extruder is 100-400 revs/min.
The barrel zone temperature of the single screw extrusion machine is：One 60-80 DEG C of area, two 80-100 DEG C of areas, three 80-100 DEG C of areas, four
60-80 DEG C of area, the rotating speed of single screw extrusion machine is 50-200 revs/min.
The embodiment of the present invention additionally provides application of the above-mentioned composition for thermoplastic elastomer in plastic floor is prepared.
The beneficial effect that the embodiment of the present invention produces compared with prior art is：Using two-step method by thermoplastic elastomer (TPE)
Material is blended to form new thermoplastic elastomer blending system with rubber powder, and by carrying out heat to new thermoplastic elastomer (TPE)
Plastic working, can be made plastic floor anti-slippery, wear-resisting, that weatherability is excellent, the preparation method letter of thermoplastic elastic material
List, be easy to get；Obtained plastic floor can at the same time meet shock absorbing capability and ball resilience performance, and hardness is relatively low, punching
2 times that absorbent properties are conventional plastic floors are hit, improves the comfort and security of plastic floor movement.
Embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Embodiment is closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only solving
The present invention is released, is not intended to limit the present invention.
Thermoplastic elastic material and rubber powder are blended to form new thermoplastic elastomer blending by the embodiment of the present invention
System, by being thermoformed to thermoplastic elastomer (TPE), can be applied to plastic floor, have anti-slippery, wear-resisting, weatherability
Excellent performance.
Now composition for thermoplastic elastomer provided in an embodiment of the present invention and preparation method thereof is illustrated.
Embodiment 1
Composition for thermoplastic elastomer, is made of by weight following components：75 parts of SEEPS, 65 parts of ethylene-octene blocks
Copolyalkenamer, 87 parts of paraffin oils, 102 parts of maleic anhydride grafting butadiene, 132 parts of maleic anhydride inoculated polypropylenes, 60 parts of high benzene
Rubber powder, 64 parts of nitrile rubber powder, 54 parts of silicone powders, 33 parts of calcium carbonate, 50 parts of PP particles, in addition weigh 33 parts of DCP master batches,
25 parts of TMPTMA.
Its preparation method is：Under the conditions of 80 DEG C, parts by weight are stirred well in fluffy no caking for 75 parts of SEEPS
State, 87 parts of paraffin oils of addition, which are stirred, is made oil-filled sizing material；It is again 65 parts of ethylene-octene block copolymerization alkene with parts by weight
Hydrocarbon, 102 parts of maleic anhydride grafting butadiene, 132 parts of maleic anhydride inoculated polypropylenes, 60 parts of high styrene rubber powder, 64 parts of butyronitrile rubbers
Rubber powder end, 54 parts of silicone powders, 33 parts of calcium carbonate and 50 parts of PP particles compoundings are uniform, obtain compounding mixture, the compounding is mixed
Thing is by high shear twin-screw extrusion and particle A is made；It is 450 parts of particle A and 33 parts of DCP master batches according to parts by weight, 25 parts
TMPTMA is uniformly mixed for 60 DEG C by mixer, and by Single screw extrusion and particle B, i.e. composition for thermoplastic elastomer is made.
The compounding mixture is extruded by double screw extruder, and the barrel zone temperature of wherein double screw extruder is：One area
135 DEG C, two 180 DEG C of areas, three 190 DEG C of areas, four 190 DEG C of areas, five 200 DEG C of areas, six 200 DEG C of areas, seven 200 DEG C of areas, eight 180 DEG C of areas,
180 DEG C of head, double screw extruder rotating speed are 350 revs/min.Mixer stirring reaches 60 DEG C, processes 3 minutes, is put into single screw rod
Extruding pelletization, the barrel zone temperature of single screw extrusion machine are：One 65 DEG C of area, two 80 DEG C of areas, three 80 DEG C of areas, four 65 DEG C of areas, host turn
200 revs/min of speed.
Plastic floor is made through melting, injection molding in the composition for thermoplastic elastomer of the present embodiment.
Embodiment 2
Composition for thermoplastic elastomer, is made of by weight following components：Mainly it is made of by weight following components：
85 parts of SEPS, 90 parts of ethylene-octene block copolymerization alkene, 105 parts of paraffin oils, 100 portions of maleic anhydride grafting butadiene, 78 portions of horses
Maleic anhydride grafted polypropylene, 85 parts of high styrene rubber powder, 90 parts of nitrile rubber powder, 65 parts of silicone powders, 34 parts of calcium carbonate, 50 parts of PP
Particle, in addition weighs 28 parts of DCP master batches, 20 parts of TMPTMA.
Its preparation method is：Under the conditions of 80 DEG C, parts by weight are stirred well in fluffy no caking for 85 parts of SEPS
State, 105 parts of paraffin oils of addition, which are stirred, is made oil-filled sizing material；It is again 90 parts of ethylene-octene block copolymerizations with parts by weight
Alkene, 100 parts of maleic anhydride grafting butadiene, 78 parts of maleic anhydride inoculated polypropylenes, 85 parts of high styrene rubber powder, 90 parts of butyronitrile rubbers
Rubber powder end, 65 parts of silicone powders, 34 parts of calcium carbonate and 50 parts of PP particles compoundings are uniform, obtain compounding mixture, the compounding is mixed
Thing is by high shear twin-screw extrusion and particle A is made；It is 460 parts of particle A and 28 parts of DCP master batches according to parts by weight, 20 parts
TMPTMA is uniformly mixed for 60 DEG C by mixer, and by Single screw extrusion and particle B, i.e. composition for thermoplastic elastomer is made.
Above-mentioned compounding mixture is extruded by double screw extruder, and the barrel zone temperature of wherein double screw extruder is：One area
135 DEG C, two 180 DEG C of areas, three 195 DEG C of areas, four 190 DEG C of areas, five 200 DEG C of areas, six 200 DEG C of areas, seven 200 DEG C of areas, eight 180 DEG C of areas,
180 DEG C of head, double screw extruder rotating speed are 350 revs/min.Mixer stirring reaches 60 DEG C, processes 3 minutes, is put into single screw rod
Extruding pelletization, the barrel zone temperature of single screw extrusion machine are：One 65 DEG C of area, two 80 DEG C of areas, three 80 DEG C of areas, four 65 DEG C of areas, host turn
200 revs/min of speed.
Plastic floor is made through melting, injection molding in the composition for thermoplastic elastomer of the present embodiment.
Embodiment 3
Composition for thermoplastic elastomer, is made of by weight following components：Mainly it is made of by weight following components：
120 parts of SEEPS, 85 parts of ethylene-octene block copolymerization alkene, 150 parts of paraffin oils, 100 parts of maleic anhydride grafting butadiene, 100
Part maleic anhydride inoculated polypropylene, 60 parts of high styrene rubber powder, 60 parts of nitrile rubber powder, 56 parts of silicone powders, 58 parts of calcium carbonate, 50
Part PP particles, in addition weigh 38 parts of DCP master batches, 20 parts of TMPTMA.
Its preparation method is：Under the conditions of 80 DEG C, parts by weight are stirred well in fluffy no knot for 120 parts of SEEPS
Bulk state, 150 parts of paraffin oils of addition, which are stirred, is made oil-filled sizing material, then is total to parts by weight for 85 parts of ethylene-octene blocks
Polyolefin, 100 parts of maleic anhydride grafting butadiene, 100 parts of maleic anhydride inoculated polypropylenes, 60 parts of high styrene rubber powder, 60 parts of fourths
Nitrile rubber powder, 56 parts of silicone powders, 58 parts of calcium carbonate and compounding are uniform, and above-mentioned compounding mixture is squeezed by high shear twin-screw
Go out and particle A is made, be that 478 parts of particle A and 38 parts of DCP master batches, 20 parts of TMPTMA pass through 60 DEG C of mixer according to parts by weight
It is uniformly mixed, by Single screw extrusion and particle B, i.e. composition for thermoplastic elastomer is made.
Above-mentioned compounding mixture is extruded by double screw extruder, and the barrel zone temperature of wherein double screw extruder is：One area
135 DEG C, two 180 DEG C of areas, three 195 DEG C of areas, four 190 DEG C of areas, five 200 DEG C of areas, six 200 DEG C of areas, seven 200 DEG C of areas, eight 180 DEG C of areas,
180 DEG C of head, double screw extruder rotating speed are 350 revs/min.Mixer stirring reaches 60 DEG C, processes 3 minutes, is put into single screw rod
Extruding pelletization, the barrel zone temperature of single screw extrusion machine are：One 65 DEG C of area, two 80 DEG C of areas, three 80 DEG C of areas, four 65 DEG C of areas, host turn
200 revs/min of speed.
Embodiment 4
Composition for thermoplastic elastomer, is made of by weight following components：Mainly it is made of by weight following components：
120 parts of SEPS, 75 parts of ethylene-octene block copolymerization alkene, 120 parts of paraffin oils, 76 portions of maleic anhydride grafting butadiene, 68 portions of horses
Maleic anhydride grafted polypropylene, 70 parts of high styrene rubber powder, 65 parts of nitrile rubber powder, 66 parts of silicone powders, 40 parts of calcium carbonate, 50 parts of PP
Particle, in addition weighs 35 parts of DCP master batches, 24 parts of TMPTMA.
Its preparation method is：Under the conditions of 80 DEG C, parts by weight are stirred well in fluffy no caking for 120 parts of SEPS
State, adds 120 parts of paraffin oils and is stirred oil-filled sizing material is made, then with parts by weight is 75 parts of ethylene-octene block copolymerizations
Alkene, 76 parts of maleic anhydride grafting butadiene, 68 parts of maleic anhydride inoculated polypropylenes, 70 parts of high styrene rubber powder, 65 parts of butyronitrile rubbers
Rubber powder end, 66 parts of silicone powders, 40 parts of calcium carbonate and 50 parts of PP particles compoundings are uniform, and above-mentioned compounding mixture is double by high shear
Simultaneously particle A is made in Screw Extrusion, is that 485 parts of particle A and 35 parts of DCP master batches, 24 parts of TMPTMA pass through mixing according to parts by weight
60 DEG C of machine is uniformly mixed, and by Single screw extrusion and particle B, i.e. composition for thermoplastic elastomer is made.
Above-mentioned compounding mixture is extruded by double screw extruder, and the barrel zone temperature of wherein double screw extruder is：One area
135 DEG C, two 180 DEG C of areas, three 195 DEG C of areas, four 190 DEG C of areas, five 200 DEG C of areas, six 200 DEG C of areas, seven 200 DEG C of areas, eight 180 DEG C of areas,
180 DEG C of head, double screw extruder rotating speed are 350 revs/min.Mixer stirring reaches 60 DEG C, processes 3 minutes, is put into single screw rod
Extruding pelletization, the barrel zone temperature of single screw extrusion machine are：One 65 DEG C of area, two 80 DEG C of areas, three 80 DEG C of areas, four 65 DEG C of areas, host turn
200 revs/min of speed.
Plastic floor is made through melting, injection molding in the composition for thermoplastic elastomer of the present embodiment.
Embodiment 5
Composition for thermoplastic elastomer, is made of by weight following components：Mainly it is made of by weight following components：
95 parts of SEEPS, 76 parts of ethylene-octene block copolymerization alkene, 124 parts of paraffin oils, 66 portions of maleic anhydride grafting butadiene, 66 portions of horses
Maleic anhydride grafted polypropylene, 75 parts of high styrene rubber powder, 75 parts of nitrile rubber powder, 46 parts of silicone powders, 25 parts of calcium carbonate, 30 parts of PP
Particle, in addition weighs 36 parts of DCP master batches, 21 parts of TMPTMA and 30 part of PP particles.
Its preparation method is：Under the conditions of 80 DEG C, parts by weight are stirred well in fluffy no caking for 95 parts of SEEPS
State, adds 125 parts of paraffin oils and is stirred oil-filled sizing material is made, then with parts by weight is 76 parts of ethylene-octene block copolymerizations
Alkene, 66 parts of maleic anhydride grafting butadiene, 66 parts of maleic anhydride inoculated polypropylenes, 75 parts of high styrene rubber powder, 75 parts of butyronitrile rubbers
Rubber powder end, 46 parts of silicone powders, 25 parts of calcium carbonate and 30 parts of PP particles compoundings are uniform, and above-mentioned compounding mixture is double by high shear
Simultaneously particle A is made in Screw Extrusion, is that 466 parts of particle A and 36 parts of DCP master batches, 21 parts of TMPTMA pass through mixing according to parts by weight
60 DEG C of machine is uniformly mixed, and by Single screw extrusion and particle B, i.e. composition for thermoplastic elastomer is made.
Above-mentioned compounding mixture is extruded by double screw extruder, and the barrel zone temperature of wherein double screw extruder is：One area
135 DEG C, two 180 DEG C of areas, three 195 DEG C of areas, four 190 DEG C of areas, five 200 DEG C of areas, six 200 DEG C of areas, seven 200 DEG C of areas, eight 180 DEG C of areas,
180 DEG C of head, double screw extruder rotating speed are 350 revs/min.Mixer stirring reaches 60 DEG C, processes 3 minutes, is put into single screw rod
Extruding pelletization, the barrel zone temperature of single screw extrusion machine are：One 65 DEG C of area, two 80 DEG C of areas, three 80 DEG C of areas, four 65 DEG C of areas, host turn
200 revs/min of speed.
Plastic floor is made through melting, injection molding in the composition for thermoplastic elastomer of the present embodiment.
Embodiment 6
Composition for thermoplastic elastomer, is made of by weight following components：Mainly it is made of by weight following components：
120 parts of SEEPS, 86 parts of ethylene-octene block copolymerization alkene, 150 parts of paraffin oils, 120 parts of maleic anhydrides grafting butadiene, 90 parts
Maleic anhydride inoculated polypropylene, 60 parts of high styrene rubber powder, 60 parts of nitrile rubber powder, 45 parts of silicone powders, 26 parts of calcium carbonate, 50 parts
PP particles, in addition weigh 30 parts of DCP master batches, 20 parts TMPTMA parts.
Its preparation method is：Under the conditions of 80 DEG C, parts by weight are stirred well in fluffy no knot for 120 parts of SEEPS
Bulk state, 150 parts of paraffin oils of addition, which are stirred, is made oil-filled sizing material, then is total to parts by weight for 86 parts of ethylene-octene blocks
Polyolefin, 120 parts of maleic anhydrides grafting butadiene, 90 parts of maleic anhydride inoculated polypropylenes, 60 parts of high styrene rubber powder, 60 parts of fourths
Nitrile rubber powder, 45 parts of silicone powders, 26 parts of calcium carbonate and 50 parts of PP particles compoundings are uniform, and above-mentioned compounding mixture is cut by height
Cut twin-screw extrusion and particle A is made, pass through according to parts by weight for 437 parts of particle A and 30 parts of DCP master batches, 20 parts of TMPTMA
60 DEG C of mixer is uniformly mixed, and by Single screw extrusion and particle B, i.e. composition for thermoplastic elastomer is made.
Above-mentioned compounding mixture is extruded by double screw extruder, and the barrel zone temperature of wherein double screw extruder is：One area
135 DEG C, two 180 DEG C of areas, three 195 DEG C of areas, four 190 DEG C of areas, five 200 DEG C of areas, six 200 DEG C of areas, seven 200 DEG C of areas, eight 180 DEG C of areas,
180 DEG C of head, double screw extruder rotating speed are 350 revs/min.Mixer stirring reaches 60 DEG C, processes 3 minutes, is put into single screw rod
Extruding pelletization, the barrel zone temperature of single screw extrusion machine are：One 65 DEG C of area, two 80 DEG C of areas, three 80 DEG C of areas, four 65 DEG C of areas, host turn
200 revs/min of speed.
Plastic floor is made through melting, injection molding in the composition for thermoplastic elastomer of the present embodiment.
The floor hardness prepared using the composition of the embodiment of the present invention is less than conventional floor, and impact absorbency is routinely
2 times of plate, referring to the experimental data of table 1.
The floor performance that table 1 is prepared using the thermoplastic elastomer (TPE) of embodiment 1-6
Hardness is low, perfect can solve due to start, pedal jump, sliding steps, run, the violent action such as limbs collision is brought
Unexpected tumble injury degree, passes through the presentation of sport floor systems power-assisted sportsman's optimum state of specialty.Impact absorbing is high, to start,
Pedal the violent action band such as jump, sliding steps, braking and come the buffer protection formed by floor and counteractive powerful screen resilience, effectively
Impact of the movement impulse force to joints such as knee, ankles is alleviated, effectively protects the positions such as ankle-joint, the meniscus of sporter from vibrations
Injury, reduces risk, there is provided Utopian movement experience.And ball resilience performance can also meet the requirement of athletic floor.
The Izod notched impact strength on floor prepared by embodiment 1-6 is more than 4.2N (kJ/m2), it is anti-slippery, wear-resisting and
Also above requirement of the national standard to floor in terms of weatherability.
In conclusion thermoplastic elastic material preparation method provided in an embodiment of the present invention is simple, by injection
Plastic floor is made in preparation；The anti-slippery, wear-resisting of the plastic floor, weatherability, and ball resilience and impact absorbency are expired
Requirement of the sufficient national standard to floor, on the premise of property indices are met, floor prepared by the embodiment of the present invention in hardness and
There is unexpected advantage in terms of impact absorbency, its hardness is low, and impact absorbency is 2 times of conventional floor, is effectively delayed
Impact of the movement impulse force to joints such as knee, ankles has been solved, has effectively protected the positions such as ankle-joint, the meniscus of sporter from vibration-induced injury
Evil, reduces risk, there is provided Utopian movement experience；And material manufactured in the present embodiment can be completely achieved circulation and stress profit
With not influencing the performance of material.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of composition for thermoplastic elastomer, it is characterised in that include the raw material components of following parts by weight：
SEPS and/or SEEPS, 20-150 parts；
Ethylene-octene block copolymerization alkene, 20-150 parts；
Paraffin oil, 20-200 parts；
Maleic anhydride grafting butadiene, 20-160 parts；
Maleic anhydride inoculated polypropylene, 20-150 parts；
Rubber powder, 10-200 parts；
Silicone powder, 10-100 parts；
Inorganic filler, 10-50 parts；
PP particles, 30-50 parts；
Account for the DCP master batches of the composition for thermoplastic elastomer gross weight 1.9%-10%；
And account for the TMPTMA of the composition for thermoplastic elastomer gross weight 1.9%-10%.
2. composition for thermoplastic elastomer as claimed in claim 1, it is characterised in that the inorganic filler is calcium carbonate, cunning
Mountain flour and/or clay.
3. composition for thermoplastic elastomer as claimed in claim 1, it is characterised in that the rubber powder is by high styrene rubber powder
Mixed with nitrile rubber powder.
4. composition for thermoplastic elastomer as claimed in claim 1, it is characterised in that include the raw material of following parts by weight：
SEP and/or SEEPS, 75-120 parts；
Ethylene-octene block copolymerization alkene, 65-100 parts；
Paraffin oil, 80-150 parts；
Maleic anhydride grafting butadiene, 66-120 parts；
Maleic anhydride inoculated polypropylene, 66-135 parts；
Rubber powder, 120-175 parts；
Silicone powder, 45-66 parts；
Calcium carbonate, 25-58 parts；
PP particles, 30-50 parts；
The DCP master batches account for the 3%-8% of the composition for thermoplastic elastomer gross weight；
The TMPTMA accounts for the 1.9%-10% of the composition for thermoplastic elastomer gross weight.
5. the composition for thermoplastic elastomer as described in claim 1-4 any one, it is characterised in that
Described SEPS, SEEPS are hydrogenated styrene isoprene-styrenic thermoplastic elastomer；
The DCP master batches are the cumyl peroxide master batch that purity is 40%；
The TMPTMA is trimethylol-propane trimethacrylate.
6. a kind of preparation method of composition for thermoplastic elastomer, it is characterised in that comprise the following steps：
Under the conditions of 50-80 DEG C, the SEPS of 20-150 parts by weight and/or SEEPS are stirred well to no caking, add 20-200
The paraffin oil of parts by weight, which is stirred, is made oil-filled sizing material；
The oil-filled sizing material and 20-150 parts by weight of ethylene-octene block copolymerization alkene, 20-160 parts by weight maleic anhydride are connect
Branch butadiene, 20-150 parts by weight maleic anhydride graft polypropylene, 10-200 parts by weight of rubber powder, 10-100 parts by weight silicone
Powder, 10-50 weight parts of calcium carbonate, 30-50 parts of PP particles compoundings are uniform, and particle A is made by double screw extruder；
Particle A described in 400-500 parts by weight is uniformly mixed with 10-50 parts of DCP master batches, 10-50 parts of TMPTMA by mixer,
Composition for thermoplastic elastomer is made by single screw extrusion machine.
7. the preparation method of composition for thermoplastic elastomer as claimed in claim 6, it is characterised in that the twin-screw extrusion
The barrel zone temperature of machine is：One 130-140 DEG C of area, two 160-200 DEG C of areas, three 170-200 DEG C of areas, four 170-200 DEG C of areas, 5th area
170-200 DEG C, six 170-200 DEG C of areas, seven 170-200 DEG C of areas, eight 170-200 DEG C of areas, 160-200 DEG C of head, twin-screw extrusion
The rotating speed of machine is 100-400 revs/min.
8. the preparation method of composition for thermoplastic elastomer as claimed in claim 6, it is characterised in that the Single screw extrusion
The barrel zone temperature of machine is：One 60-80 DEG C of area, two 80-100 DEG C of areas, three 80-100 DEG C of areas, four 60-80 DEG C of areas, single screw extrusion machine
Rotating speed be 50-200 revs/min.
9. application of the composition for thermoplastic elastomer described in claim 1 in plastic floor is prepared.
10. the application of composition for thermoplastic elastomer as claimed in claim 9, it is characterised in that the thermoplastic elastomer (TPE)
Plastic floor is made through melting, injection molding in composition.
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| CN116656138A (en) * | 2023-05-16 | 2023-08-29 | 石家庄德祥塑胶制品有限公司 | Crosslinked thermoplastic elastomer and preparation method and application thereof |
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