CN108976693A - A kind of marbling Masterbatch and its application method suitable for ABS - Google Patents
A kind of marbling Masterbatch and its application method suitable for ABS Download PDFInfo
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- C08J2455/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2423/00 - C08J2453/00
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- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
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- C08K5/00—Use of organic ingredients
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Abstract
The present invention provides a kind of marbling Masterbatch suitable for ABS, including the first Masterbatch, the second Masterbatch, first Masterbatch is comprised the following components in parts by weight: 60-80 parts of PET, 5-15 parts of the first pigment of ABS, 5-10 part, 2-5 parts of lubricants, 1-3 parts of compatilizers, 0.3-1 heat stabilizer, 0.3-1 parts of antioxidant；Second Masterbatch comprises the following components in parts by weight: 60-80 parts of PBT, 5-15 parts of ABS, 5-10 the second pigment of part.Marbling Masterbatch of the invention; including the first Masterbatch, the second Masterbatch; the pigment of first Masterbatch and the second Masterbatch can arrange in pairs or groups according to appearance; utilize the difference of ABS, PET, PBT fusing point; consolute in screw extruder is put into after mixing with ABS raw material master batch to squeeze out; the ABS plastic of the marbling with multiple color can be obtained when discharging, lines is clear, realizes the random arranging effect of multiple color, so that ABS plastic has beautiful appearance.
Description
Technical field
The present invention relates to Masterbatch fields, and in particular to a kind of suitable for the marbling Masterbatch of ABS and its use
Method.
Background technique
In order to assign plastics gorgeous, colored, diversified appearance, be typically employed on plastic basis material painted, be electroplated,
The mode of ink is printed to reach beautiful, beautiful appearance.But by spray painting, plating, printing ink in the way of exist
Process is complicated, it is at high cost, pollute environment, endanger worker's health, being difficult to the disadvantages of recycling, and product surface coating holds
Easily fade, affect the appearance of product, does not advocate use.
In order to improve problem above, Some Enterprises have developed marbling, imitation wood line plastic products, parian
The mechanism of the preparation of line, imitation wood line plastics is: making special Masterbatch, the vector resin in Masterbatch has with plastic raw materials
Different fusing point, when Masterbatch puts into blending extrusion in screw extruder with plastic raw materials, due to vector resin and plastics
The fusing point of raw material is different, and two kinds of substances form different flow rates in extruding machine barrel, so that pigment is with vector resin
Flowing and be randomly distributed, make plastic material generate marble grain, wood grain effect.
General only one colour system of marbling Masterbatch, can only make a kind of marbling plastics of color,
This plastics color is dull, and long-term viewing is easy to produce aestheticly tired.In order to solve this problem, part manufacturer is in Masterbatch
A variety of pigment are added simultaneously, to achieve the effect that polychrome.But this addition manner, in screw machine when consolute, a variety of pigment
It is easy mixing, to become single secondary colour, influences appearance, these problems are urgently to be resolved.
Summary of the invention
In view of the above problems, the present invention provides a kind of marbling Masterbatch and its application method suitable for ABS, energy
Enough manufactures have the ABS plastic of the marbling of multiple color.
To achieve the above object, the present invention solves by the following technical programs:
A kind of marbling Masterbatch suitable for ABS, including the first Masterbatch, the second Masterbatch, first color
Master batch comprises the following components in parts by weight: 60-80 parts of PET, 5-15 parts of the first pigment of ABS, 5-10 part, 2-5 parts of lubricants, 1-3
Part compatilizer, 0.3-1 heat stabilizer, 0.3-1 parts of antioxidant；
Second Masterbatch comprises the following components in parts by weight: 60-80 parts of PBT, 5-15 parts of ABS, 5-10 the second face of part
Material.
Specifically, first pigment is that phthalocyanine is red, phthalocyanine blue, phthalocyanine green, everbright fast red, permanent yellow, permanent violet, azo
One or more of red composition.
Specifically, second pigment is that phthalocyanine is red, phthalocyanine blue, phthalocyanine green, everbright fast red, permanent yellow, permanent violet, azo
One or more of red composition.
Specifically, the lubricant is the group of one or more of silicone oil, stearic acid, fatty acid amide, oleic acid, carboxylic acid
Close object.
Specifically, the compatilizer is maleic anhydride graft phenylethene, acrylonitrile-styrene-maleic anhydride tercopolymer copolymerization
In object, SEBS-g-MAH, ABS-g-MAH, styrene-acrylonitrile copolymer-glycidyl methacrylate terpolymer
One or more of compositions.
Specifically, the heat stabilizer is barium stearate, in calcium stearate, magnesium stearate, stearic acid file, aluminum stearate
One or more of compositions.
Specifically, the antioxidant is one of antioxidant 1010, antioxidant TPP, antioxidant CA, antioxidant MB or several
The composition of kind.
A kind of application method of the marbling Masterbatch suitable for ABS, comprising the following steps:
S1 takes ABS raw material master batch, and the first Masterbatch, the second Masterbatch, ABS raw material master batch are put into high-speed mixer,
It stirs 10 minutes at normal temperature, obtains mixed raw material；
Mixed raw material is added in the funnel that feeds intake of double screw extruder by S2, and consolute squeezes out in double screw extruder,
Set temperature of each section of the double screw extruder from funnel to die head be respectively 180-200 DEG C, 190-210 DEG C, 200-220 DEG C,
200-230 DEG C, screw speed 250-350rpm；
Mold is connected at S3 die head, the extruded stock that die head obtains step S2 is sent into mold；
Extruded stock forms in a mold after S4 is overpressurized, is cooled down, and the parian with multiple color is obtained after demoulding
Line ABS plastic.
Specifically, the addition weight ratio of the first Masterbatch in the step S1, the second Masterbatch, ABS raw material master batch is 1-
5:1-5:1000.
The beneficial effects of the present invention are:
Marbling Masterbatch of the invention, including the first Masterbatch, the second Masterbatch, the first Masterbatch and the second color
The pigment of master batch can arrange in pairs or groups according to appearance, and the first Masterbatch uses PET for vector resin, and the fusing point of PET is about 260
DEG C, the second Masterbatch uses PBT for vector resin, and the fusing point of PBT is about 230 DEG C, this Masterbatch is suitable for ABS plastic, ABS
Fusing point be about 170 DEG C, using the difference of ABS, PET, PBT fusing point, then by the first Masterbatch of the invention, the second Masterbatch
It puts into screw extruder consolute after mixing with ABS raw material master batch to squeeze out, due to the flowing of ABS, PET, PBT when blending
Rate is different, and the first pigment in the first Masterbatch is randomly distributed, the second Masterbatch with the flowing of PET in ABS plastic
In the second pigment be randomly distributed in ABS plastic with the flowing of PBT, when discharging, can be obtained imitative with multiple color
Marbled ABS plastic, lines is clear, realizes the random arranging effect of multiple color so that ABS plastic have it is beautiful outer
See effect.
Specific embodiment
In order to further appreciate that feature of the invention, technological means and specific purposes achieved, function, tie below
Closing specific embodiment, the present invention is described in further detail.
Embodiment 1
A kind of marbling Masterbatch suitable for ABS, including the first Masterbatch, the second Masterbatch, the first Masterbatch
Comprise the following components in parts by weight: 60 parts of PET, 15 parts of ABS, 7 parts of phthalocyanine blues, 2 parts of silicone oil, 2 parts of maleic anhydride graft phenylethenes,
0.3 magnesium stearate, 0.3 part of antioxidant TPP；
Second Masterbatch comprises the following components in parts by weight: 60 parts of PBT, 15 parts of ABS, 7 parts of everbright fast reds.
The preparation of first Masterbatch:
(1) by PET, ABS, phthalocyanine blue, silicone oil, maleic anhydride graft phenylethene, magnesium stearate, antioxidant TPP according to matching
Than being stirred 10 minutes at 120 DEG C in investment high-speed mixer, continues stirring 10 minutes after cooling, obtain mixed raw material；
(2) mixed raw material is put into double screw extruder and is melted, the temperature of double screw extruder is from feed inlet to extrusion
Head gradually rises to 240 DEG C from 180 DEG C, squeezes out strip material；
(3) the strip material of extrusion is made to the first Masterbatch after water cooled, air-dried, pelletizing.
The preparation of second Masterbatch:
(4) PBT, ABS, everbright fast red are put into high-speed mixer according to the proportion, is stirred 10 minutes at 120 DEG C, it is cold
But continue stirring 10 minutes afterwards, obtain mixed raw material；
(5) mixed raw material is put into double screw extruder and is melted, the temperature of double screw extruder is from feed inlet to extrusion
Head gradually rises to 240 DEG C from 180 DEG C, squeezes out strip material；
(6) the strip material of extrusion is made to the second Masterbatch after water cooled again, air-dried, pelletizing.
A kind of application method of the marbling Masterbatch suitable for ABS, comprising the following steps:
S1 takes ABS raw material master batch, and the first Masterbatch, the second Masterbatch, ABS raw material master batch are put into high-speed mixer,
It stirs 10 minutes at normal temperature, obtains mixed raw material；
Mixed raw material is added in the funnel that feeds intake of double screw extruder by S2, and consolute squeezes out in double screw extruder,
Setting temperature of each section of the double screw extruder from funnel to die head is respectively 190 DEG C, 200 DEG C, 210 DEG C, 220 DEG C, screw speed
For 300rpm；
Mold is connected at S3 die head, the extruded stock that die head obtains step S2 is sent into mold；
Extruded stock forms in a mold after S4 is overpressurized, is cooled down, and the parian with multiple color is obtained after demoulding
Line ABS plastic.
Preferably, the first Masterbatch in step S1, the second Masterbatch, ABS raw material master batch addition weight ratio be 3:3:
1000。
Embodiment 2
A kind of marbling Masterbatch suitable for ABS, including the first Masterbatch, the second Masterbatch, the first Masterbatch
It comprises the following components in parts by weight: 70 parts of PET, 10 parts of ABS, 7 parts of phthalocyanine blues, 2 parts of stearic acid, 2 parts of compatilizers, 0.3 stearic acid
Barium, 0.3 part of antioxidant CA；
Second Masterbatch comprises the following components in parts by weight: 70 parts of PBT, 10 parts of ABS, 7 parts of permanent yellows.
Preferably, the combination that compatilizer is maleic anhydride graft phenylethene, ABS-g-MAH is formed according to the weight ratio of 1:2
Two kinds of maleic anhydride graft phenylethene, ABS-g-MAH compatilizers are added in the first Masterbatch, can be improved the first color masterbatch by object
The compatibility of grain and ABS raw material.
The preparation of first Masterbatch:
(1) by PET, ABS, phthalocyanine blue, stearic acid, maleic anhydride graft phenylethene, ABS-g-MAH, barium stearate, antioxygen
Agent CA is put into high-speed mixer according to the proportion, is stirred 10 minutes at 120 DEG C, is continued stirring 10 minutes after cooling, is mixed
Close raw material；
(2) mixed raw material is put into double screw extruder and is melted, the temperature of double screw extruder is from feed inlet to extrusion
Head gradually rises to 240 DEG C from 180 DEG C, squeezes out strip material；
(3) the strip material of extrusion is made to the first Masterbatch after water cooled again, air-dried, pelletizing.
The preparation of second Masterbatch:
(4) PBT, ABS, permanent yellow are put into high-speed mixer according to the proportion, is stirred 10 minutes at 120 DEG C, it is cooling
After continue stirring 10 minutes, obtain mixed raw material；
(5) mixed raw material is put into double screw extruder and is melted, the temperature of double screw extruder is from feed inlet to extrusion
Head gradually rises to 240 DEG C from 180 DEG C, squeezes out strip material；
(6) the strip material of extrusion is made to the second Masterbatch after water cooled, air-dried, pelletizing.
A kind of application method of the marbling Masterbatch suitable for ABS, comprising the following steps:
S1 takes ABS raw material master batch, and the first Masterbatch, the second Masterbatch, ABS raw material master batch are put into high-speed mixer,
It stirs 10 minutes at normal temperature, obtains mixed raw material；
Mixed raw material is added in the funnel that feeds intake of double screw extruder by S2, and consolute squeezes out in double screw extruder,
Setting temperature of each section of the double screw extruder from funnel to die head is respectively 190 DEG C, 200 DEG C, 210 DEG C, 220 DEG C, screw speed
For 300rpm；
Mold is connected at S3 die head, the extruded stock that die head obtains step S2 is sent into mold；
Extruded stock forms in a mold after S4 is overpressurized, is cooled down, and the parian with multiple color is obtained after demoulding
Line ABS plastic.
Preferably, the first Masterbatch in step S1, the second Masterbatch, ABS raw material master batch addition weight ratio be 3:3:
1000。
Embodiment 3
A kind of marbling Masterbatch suitable for ABS, including the first Masterbatch, the second Masterbatch, the first Masterbatch
It comprises the following components in parts by weight: 80 parts of PET, 5 parts of ABS, 7 parts of permanent violets, 2 parts of silicone oil, 2 parts of acrylonitrile-styrene-maleic acids
Acid anhydride terpolymer, 0.3 magnesium stearate, 0.3 part of antioxidant TPP；
Second Masterbatch comprises the following components in parts by weight: 80 parts of PBT, 5 parts of ABS, 7 parts of permanent yellows.
The preparation of first Masterbatch:
(1) by PET, ABS, permanent violet, silicone oil, acrylonitrile-styrene-maleic anhydride terpolymer, magnesium stearate, anti-
Oxygen agent TPP is put into high-speed mixer according to the proportion, is stirred 10 minutes at 120 DEG C, is continued stirring 10 minutes after cooling, is obtained
Mixed raw material；
(2) mixed raw material is put into double screw extruder and is melted, the temperature of double screw extruder is from feed inlet to extrusion
Head gradually rises to 240 DEG C from 180 DEG C, squeezes out strip material；
(3) the strip material of extrusion is made to the first Masterbatch after water cooled again, air-dried, pelletizing.
The preparation of second Masterbatch:
(4) PBT, ABS, permanent yellow are put into high-speed mixer according to the proportion, is stirred 10 minutes at 120 DEG C, it is cooling
After continue stirring 10 minutes, obtain mixed raw material；
(5) mixed raw material is put into double screw extruder and is melted, the temperature of double screw extruder is from feed inlet to extrusion
Head gradually rises to 240 DEG C from 180 DEG C, squeezes out strip material；
(6) the strip material of extrusion is made to the second Masterbatch after water cooled, air-dried, pelletizing.
A kind of application method of the marbling Masterbatch suitable for ABS, comprising the following steps:
S1 takes ABS raw material master batch, and the first Masterbatch, the second Masterbatch, ABS raw material master batch are put into high-speed mixer,
It stirs 10 minutes at normal temperature, obtains mixed raw material；
Mixed raw material is added in the funnel that feeds intake of double screw extruder by S2, and consolute squeezes out in double screw extruder,
Setting temperature of each section of the double screw extruder from funnel to die head is respectively 190 DEG C, 200 DEG C, 210 DEG C, 220 DEG C, screw speed
For 300rpm；
Mold is connected at S3 die head, the extruded stock that die head obtains step S2 is sent into mold；
Extruded stock forms in a mold after S4 is overpressurized, is cooled down, and the parian with multiple color is obtained after demoulding
Line ABS plastic.
Preferably, the first Masterbatch in step S1, the second Masterbatch, ABS raw material master batch addition weight ratio be 3:3:
1000。
Embodiment 4
A kind of marbling Masterbatch suitable for ABS, including the first Masterbatch, the second Masterbatch, the first Masterbatch
Comprise the following components in parts by weight: 80 parts of PET, 5 parts of ABS, 7 parts of permanent violets, 2 parts of silicone oil, 2 parts of maleic anhydride graft phenylethenes,
0.3 magnesium stearate, 0.3 part of antioxidant TPP；
Second Masterbatch comprises the following components in parts by weight: 80 parts of PBT, 5 parts of ABS, 3 parts of phthalocyanines are red, 3 parts of permanent yellows.
The preparation of first Masterbatch:
(1) by PET, ABS, permanent violet, silicone oil, maleic anhydride graft phenylethene, magnesium stearate, antioxidant TPP according to matching
Than being stirred 10 minutes at 120 DEG C in investment high-speed mixer, continues stirring 10 minutes after cooling, obtain mixed raw material；
(2) mixed raw material is put into double screw extruder and is melted, the temperature of double screw extruder is from feed inlet to extrusion
Head gradually rises to 240 DEG C from 180 DEG C, squeezes out strip material；
(3) the strip material of extrusion is made to the first Masterbatch after water cooled, air-dried, pelletizing.
The preparation of second Masterbatch:
(4) by PBT, ABS, phthalocyanine is red, permanent yellow is put into high-speed mixer according to the proportion, 10 points are stirred at 120 DEG C
Clock continues stirring 10 minutes, obtains mixed raw material after cooling；
(5) mixed raw material is put into double screw extruder and is melted, the temperature of double screw extruder is from feed inlet to extrusion
Head gradually rises to 240 DEG C from 180 DEG C, squeezes out strip material；
(6) the strip material of extrusion is made to the second Masterbatch after water cooled again, air-dried, pelletizing.
A kind of application method of the marbling Masterbatch suitable for ABS, comprising the following steps:
S1 takes ABS raw material master batch, and the first Masterbatch, the second Masterbatch, ABS raw material master batch are put into high-speed mixer,
It stirs 10 minutes at normal temperature, obtains mixed raw material；
Mixed raw material is added in the funnel that feeds intake of double screw extruder by S2, and consolute squeezes out in double screw extruder,
Setting temperature of each section of the double screw extruder from funnel to die head is respectively 190 DEG C, 200 DEG C, 210 DEG C, 220 DEG C, screw speed
For 300rpm；
Mold is connected at S3 die head, the extruded stock that die head obtains step S2 is sent into mold；
Extruded stock forms in a mold after S4 is overpressurized, is cooled down, and the parian with multiple color is obtained after demoulding
Line ABS plastic.
Preferably, the first Masterbatch in step S1, the second Masterbatch, ABS raw material master batch addition weight ratio be 3:3:
1000。
Comparative example 1
Common Masterbatch, composition include 166.6 parts of ABS, 7 parts of everbright fast reds, 7 parts of phthalocyanine blues.
The preparation of common Masterbatch:
(1) ABS, everbright fast red, phthalocyanine blue are put into high-speed mixer according to the proportion, are stirred 10 minutes at 120 DEG C,
Continue stirring 10 minutes after cooling, obtains mixed raw material；
(2) mixed raw material is put into double screw extruder and is melted, the temperature of double screw extruder is from feed inlet to extrusion
Head gradually rises to 240 DEG C from 180 DEG C, squeezes out strip material；
(3) common Masterbatch is made after water cooled again, air-dried, pelletizing in the strip material of extrusion.
The preparation of common ABS plastic:
S1 takes ABS raw material master batch, by common Masterbatch, ABS raw material master batch investment high-speed mixer, stirs at normal temperature
10 minutes, obtain mixed raw material；
Mixed raw material is added in the funnel that feeds intake of double screw extruder by S2, and consolute squeezes out in double screw extruder,
Setting temperature of each section of the double screw extruder from funnel to die head is respectively 190 DEG C, 200 DEG C, 210 DEG C, 220 DEG C, screw speed
For 300rpm；
Mold is connected at S3 die head, the extruded stock that die head obtains step S2 is sent into mold；
Extruded stock forms in a mold after S4 is overpressurized, is cooled down, and common ABS plastic is obtained after demoulding.
Preferably, common Masterbatch in step S1, ABS raw material master batch addition weight ratio be 6:1000.
Performance detection:
The common ABS plastic that marbling ABS plastic that above-described embodiment 1-4 is obtained, comparative example 1 are obtained respectively into
Row performance test, obtained result record such as the following table 1.
1 test result of table
Found out by the data of above-mentioned table 1, embodiment 1-4 is squeezed out using master batch and ABS raw material consolute of the invention, can be obtained
There are two types of the ABS plastic of the marbling of color for, tool clear to lines, and comparative example 1 uses common Masterbatch and ABS raw material
Consolute squeezes out, and obtained common ABS plastic has no marbling effect, and color is disorderly and unsystematic, unsightly.
On the other hand, for embodiment 1-4 compared with comparative example 1, the vector resin of embodiment 1-4 is PET, PBT, comparative example 1
Vector resin be ABS, in the test result of embodiment 1-4, notch impact strength, elongation at break, tensile strength and bending
Intensity increases than the test result of comparative example 1, illustrate the PET being added in the first Masterbatch, in the second Masterbatch plus
The PBT entered can be used as reinforcing material, improve the mechanical property of ABS.
4 kinds of embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but not
Limitations on the scope of the patent of the present invention therefore can be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of marbling Masterbatch suitable for ABS, which is characterized in that including the first Masterbatch, the second Masterbatch, institute
It states the first Masterbatch to comprise the following components in parts by weight: 60-80 parts of PET, 5-15 parts of the first pigment of ABS, 5-10 part, 2-5 parts of profits
Lubrication prescription, 1-3 part compatilizer, 0.3-1 heat stabilizer, 0.3-1 parts of antioxidant；
Second Masterbatch comprises the following components in parts by weight: 60-80 parts of PBT, 5-15 parts of ABS, 5-10 the second pigment of part.
2. a kind of marbling Masterbatch suitable for ABS according to claim 1, which is characterized in that described first
Pigment is the combination of one or more of red phthalocyanine, phthalocyanine blue, phthalocyanine green, everbright fast red, permanent yellow, permanent violet, azophloxine
Object.
3. a kind of marbling Masterbatch suitable for ABS according to claim 1, which is characterized in that described second
Pigment is the combination of one or more of red phthalocyanine, phthalocyanine blue, phthalocyanine green, everbright fast red, permanent yellow, permanent violet, azophloxine
Object.
4. a kind of marbling Masterbatch suitable for ABS according to claim 1, which is characterized in that the lubrication
Agent is the composition of one or more of silicone oil, stearic acid, fatty acid amide, oleic acid, carboxylic acid.
5. a kind of marbling Masterbatch suitable for ABS according to claim 1, which is characterized in that described compatible
Agent be maleic anhydride graft phenylethene, acrylonitrile-styrene-maleic anhydride terpolymer, SEBS-g-MAH, ABS-g-MAH,
The composition of one or more of styrene-acrylonitrile copolymer-glycidyl methacrylate terpolymer.
6. a kind of marbling Masterbatch suitable for ABS according to claim 1, which is characterized in that the heat is steady
Determine the composition that agent is one or more of barium stearate, calcium stearate, magnesium stearate, stearic acid file, aluminum stearate.
7. a kind of marbling Masterbatch suitable for ABS according to claim 1, which is characterized in that the antioxygen
Agent is one of antioxidant 1010, antioxidant TPP, antioxidant CA, antioxidant MB.
8. a kind of application method as described in claim any one of 1-7 suitable for the marbling Masterbatch of ABS, feature
It is, comprising the following steps:
S1 takes ABS raw material master batch, the first Masterbatch, the second Masterbatch, ABS raw material master batch is put into high-speed mixer, 120
It is stirred 10 minutes at DEG C, continues stirring 10 minutes after cooling, obtain mixed raw material；
Mixed raw material is added in the funnel that feeds intake of double screw extruder by S2, and consolute squeezes out in double screw extruder, setting
Temperature of each section of the double screw extruder from funnel to die head is respectively 180-200 DEG C, 190-210 DEG C, 200-220 DEG C, 200-230
DEG C, screw speed 250-350rpm；
Mold is connected at S3 die head, the extruded stock that die head obtains step S2 is sent into mold；
Extruded stock forms in a mold after S4 is overpressurized, is cooled down, and the marbling ABS with multiple color is obtained after demoulding
Plastics.
9. a kind of application method of marbling Masterbatch suitable for ABS according to claim 8, feature exist
In the addition weight ratio of, the first Masterbatch in the step S1, the second Masterbatch, ABS raw material master batch be 1-5:1-5:1000.
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| CN108976693B (en) | 2021-01-15 |
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Address after: Cao Le Jiao Cun, Xiegang Town, Dongguan City, Guangdong Province 523590 Patentee after: Guangdong Rongsheng Intelligent Manufacturing Co.,Ltd. Address before: Cao Le Jiao Cun, Xiegang Town, Dongguan City, Guangdong Province 523590 Patentee before: DONGGUAN RONG SHENG PIGMENTS Co.,Ltd. |