WO2010058673A1 - Mélange-maître pour colorer une résine synthétique - Google Patents

Mélange-maître pour colorer une résine synthétique Download PDF

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Publication number
WO2010058673A1
WO2010058673A1 PCT/JP2009/068049 JP2009068049W WO2010058673A1 WO 2010058673 A1 WO2010058673 A1 WO 2010058673A1 JP 2009068049 W JP2009068049 W JP 2009068049W WO 2010058673 A1 WO2010058673 A1 WO 2010058673A1
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Prior art keywords
synthetic resin
resin
coloring
master batch
masterbatch
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PCT/JP2009/068049
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English (en)
Japanese (ja)
Inventor
祐一 浅野
満 斉藤
Original Assignee
東洋アルミニウム株式会社
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Application filed by 東洋アルミニウム株式会社 filed Critical 東洋アルミニウム株式会社
Priority to US13/130,381 priority Critical patent/US8513344B2/en
Priority to EP09827454A priority patent/EP2351784B1/fr
Priority to CN200980146037.2A priority patent/CN102216374B/zh
Publication of WO2010058673A1 publication Critical patent/WO2010058673A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • 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
    • C08K3/02—Elements
    • C08K3/08—Metals
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2310/00—Masterbatches

Definitions

  • the present invention relates to a synthetic resin coloring masterbatch that imparts a metallic color to a synthetic resin.
  • a masterbatch for coloring a synthetic resin having the characteristic that the strength of the synthetic resin kneaded with any of the non-crystalline or crystalline synthetic resins does not decrease the strength and
  • the present invention relates to a synthetic resin molded article produced using the synthetic resin coloring master batch.
  • a pigment as a colorant is directly kneaded into the synthetic resin to color the synthetic resin to a desired color.
  • a synthetic resin is colored in a metallic tone, a pasty aluminum pigment generally used in a normal paint is used.
  • the pasty aluminum pigment is usually in a wet state because it contains an organic solvent typified by mineral spirits. For this reason, when the paste-like aluminum pigment is kneaded as it is and the synthetic resin is colored, the organic solvent component remains on the synthetic resin, so that the organic solvent component is formed on the surface of the molded synthetic resin product. Sometimes bleed.
  • the aluminum pigment contained in the paste-like aluminum pigment is a metal itself, so it is poorly compatible with the interface of the synthetic resin (wetting), and therefore the dispersibility of the aluminum pigment in the synthetic resin is not so good. Not good. For these reasons, there has been a case where it is difficult to sufficiently color the synthetic resin molded product.
  • a free-flowing granular material obtained by coating metal particles such as aluminum with a coating containing terpene-phenol resin and low-density polyethylene resin is pelletized (so-called master batch).
  • master batch a coating containing terpene-phenol resin and low-density polyethylene resin
  • coloring it in a metallic tone by kneading it into a synthetic resin Japanese Patent Publication No. 59-501550 (Patent Document 1)).
  • the masterbatch by this proposal is easy to handle, contains almost no organic solvent components as contained in pasty aluminum pigments, and has good dispersibility in synthetic resins. It is used for coloring.
  • terpene-phenol resin or low-density polyethylene resin when a masterbatch as described above using terpene-phenol resin or low-density polyethylene resin is kneaded into an amorphous resin (for example, ABS resin), the terpene-phenol resin contained in the masterbatch In some cases, the strength of the synthetic resin molded product is reduced due to the density polyethylene resin.
  • an amorphous resin for example, ABS resin
  • the present invention has been made in view of such a situation, and its purpose is to include it in a masterbatch even when it is kneaded into a non-crystalline synthetic resin for coloring in a metallic tone. It is an object of the present invention to provide a synthetic resin coloring masterbatch that does not cause a decrease in strength of a synthetic resin molded product due to components such as resin.
  • the present inventor has made extensive studies to solve the above problems, and adopts a specific polyethylene resin as a resin component contained in the synthetic resin coloring masterbatch and makes the Latra value equal to or less than a specific value.
  • the present inventors have finally obtained the knowledge that the above object can be achieved, and have made further studies based on this knowledge, and finally completed the present invention.
  • the synthetic resin coloring masterbatch of the present invention includes an aluminum pigment, polyethylene wax, and a linear low-density polyethylene resin, and has a cylindrical pellet shape having a diameter of 2.5 mm and a height of 2 mm to 5 mm.
  • the Latra value is 2.5% or less.
  • the synthetic resin coloring masterbatch of the present invention preferably contains the polyethylene wax and the linear low-density polyethylene resin in a mass ratio of 9: 1 to 7: 3, and contains 60% by mass of an aluminum pigment. It is preferable to contain in the range of 80 mass% or less.
  • the present invention also relates to a synthetic resin molded product manufactured using such a synthetic resin coloring masterbatch.
  • the synthetic resin coloring masterbatch of the present invention has an excellent effect of not reducing the strength of the synthetic resin molded article even when kneaded into the amorphous synthetic resin by having the above-described configuration. .
  • the master batch for coloring a synthetic resin of the present invention comprises an aluminum pigment, polyethylene wax, and a linear low density polyethylene resin, and has a cylindrical pellet shape having a diameter of 2.5 mm and a height of 2 mm to 5 mm.
  • the Latra value is 2.5% or less.
  • the synthetic resin coloring masterbatch of the present invention can optionally contain conventionally known additives contained in this type of masterbatch as long as it contains each of these components and has such a Latra value.
  • each structure of the masterbatch for synthetic resin coloring of this invention is demonstrated in detail.
  • the aluminum pigment used in the present invention is not particularly limited.
  • a flake having an average particle diameter of about 5 to 250 ⁇ m can be used.
  • the average particle size is preferably about 5 to 30 ⁇ m or about 60 to 150 ⁇ m, and any one can be selected depending on the purpose and application of coloring. If the average particle diameter is within the above range, it is possible to impart a fine metallic feeling to the resin or a design such as a sparkling feeling with a grainy sparkle to the resin.
  • the average particle size is obtained by calculating a volume average by a particle size distribution measured by a known particle size distribution measurement method such as a laser diffraction method, a micromesh sieve method, a Coulter counter method, or the like.
  • a known particle size distribution measurement method such as a laser diffraction method, a micromesh sieve method, a Coulter counter method, or the like.
  • the aluminum pigment may be obtained by any manufacturing method.
  • an aluminum pigment obtained by wet-grinding the aluminum powder as a raw material with an organic solvent such as mineral spirit in a ball mill and wet milling the aluminum powder using a steel ball can be used.
  • the surface of the aluminum pigment of the present invention may be adhered with stearic acid or oleic acid added as a grinding aid during wet grinding as described above, and the surface of the aluminum pigment is appropriately surface-treated. Things may be used.
  • the polyethylene wax used in the present invention preferably has properties such as low crystallinity, low density, and good dispersibility (miscibility) with other resins.
  • Specific examples of such a polyethylene wax include those having a melt viscosity at 140 ° C. in the range of 150 to 6000 mPa ⁇ s, and particularly preferably in the range of 3000 to 5000 mPa ⁇ s.
  • the polyethylene wax having such a melt viscosity is obtained when the master pigment for the synthetic resin coloring of the present invention is produced by mixing the aluminum pigment with the aluminum pigment when kneading with the aluminum pigment while heating the below-mentioned linear low density polyethylene resin. Excellent effect of uniformly dispersing in the batch.
  • melt viscosity uses the following conversion formula (Formula 1) using the kinematic viscosity (mm ⁇ 2 > / s) which can be measured according to the Ubbelohde method of JISK2283: 2000. mPa ⁇ s).
  • the measurement temperature is 100 ° C. according to the Ubbelohde method. Measure its kinematic viscosity. And the value (namely, absolute viscosity) which converted the kinematic viscosity by the following (Formula 1) is made into melt viscosity.
  • the polyethylene wax of the present invention preferably has the melt viscosity as described above and a density of 900 to 930 kg / m 3 .
  • density is more preferably 910 to 920 kg / m 3 .
  • the polyethylene wax has a low crystallinity and can be easily kneaded with an amorphous resin.
  • density can be measured, for example, according to JIS K 6760: 1990.
  • polyethylene wax having the above-mentioned characteristics commercially available ones can be used, for example, the Sanwax series manufactured by Sanyo Chemical Co., Ltd., the Mitsui High Wax series manufactured by Mitsui Chemicals, Inc. Can do.
  • the polyethylene wax of the present invention has an effect that a master batch having a uniform composition can be produced, and also has an effect of easy dispersion in an amorphous resin. And constitutes one of the features of the present invention.
  • linear low density polyethylene resin used in the present invention has the effects of low crystallinity, low density, excellent strength and ductility, and good compatibility with other resins. Is preferred.
  • a linear low-density polyethylene resin is specifically a polyethylene resin obtained by polymerization using a metallocene catalyst, and has a narrow molecular weight distribution (Mw / Mn).
  • linear means a conceptual molecule that means a polyethylene molecule having few branched chains or side chains, and does not mean only a linear molecule in terms of chemical structure.
  • the linear low-density polyethylene resin of the present invention preferably has a melt flow rate in the range of 1.0 to 6.0 g / 10 min, and more preferably 3.0 to 5 It is preferable to be in the range of 0.0 g / 10 min.
  • the linear low-density polyethylene resin having such a melt flow rate has a mechanical strength similar to that of the resin (matrix resin) colored by the masterbatch and has a strong impact strength. It has an excellent effect of not impairing the mechanical strength of the resin. Moreover, since such a linear low density polyethylene resin has excellent ductility and toughness, it also has an effect of improving the strength of the master batch itself.
  • the melt flow rate can be measured according to JIS K 7210: 1990.
  • the linear low density polyethylene resin of the present invention preferably has the following melt flow rate and the following density and melting point. That is, the density is preferably in the range of 900 to 940 kg / m 3 , more preferably in the range of 920 to 930 kg / m 3 .
  • the density can be measured by the same method as that for polyethylene wax.
  • the melting point of the linear low density polyethylene resin is preferably 95 to 130 ° C., more preferably 110 to 125 ° C.
  • fusing point it can melt
  • fusing point can be measured by JISK7121, for example.
  • Such a linear low-density polyethylene resin can be a commercially available one, and examples thereof include Evolue (trade name) manufactured by Prime Polymer Co., Ltd.
  • the linear low density polyethylene resin of the present invention maintains its original strength without reducing the mechanical strength of the synthetic resin molded product colored with the master batch. This is one of the features of the present invention in combination with the use of the polyethylene wax.
  • the Latra value is a value measured according to “JPMA P 11-1922” which is a standard of the Japan Powder Metallurgy Industry Association.
  • a synthetic resin coloring masterbatch having a cylindrical pellet shape having a diameter of 2.5 mm and a height of 2 mm to 5 mm is manufactured.
  • a predetermined amount of aluminum pigment aluminum pigment can be used in paste form
  • polyethylene wax and linear low-density polyethylene resin are heated and kneaded using a universal stirrer, etc.
  • encapsulated mass a synthetic resin coloring masterbatch having such a shape (having a height of 2 mm or more and 5 mm or less may be included in various heights).
  • encapsulated mass a synthetic resin coloring masterbatch having such a shape (having a height of 2 mm or more and 5 mm or less may be included in various heights).
  • the ratra value is a measure of shape retention when an impact is applied, and is a measure of the strength of the synthetic resin coloring masterbatch.
  • the master batch for coloring a synthetic resin of the present invention requires that the Latra value measured by the above-mentioned method is 2.5% or less, and preferably 1.5% or less.
  • the master batch for coloring a synthetic resin of the present invention is used for imparting a metallic tone to a synthetic resin.
  • a cylinder having a diameter of 2.5 mm and a height of 2 mm to 5 mm.
  • the ratra value needs to be 2.5% or less.
  • the shape is not limited to this cylindrical pellet shape, and any shape can be used. However, it is preferable to use a cylindrical pellet shape as described above.
  • Such a masterbatch for coloring a synthetic resin of the present invention preferably contains the polyethylene wax and the linear low-density polyethylene resin in a mass ratio of 9: 1 to 7: 3, and more preferably 8.5. : More preferably in a mass ratio of 1.5 to 7.5: 2.5.
  • the productivity at the time of producing the synthetic resin coloring master batch is good.
  • the resin component (carrier resin) constituting the master batch The strength of both polyethylene wax and linear low density polyethylene resin is too strong), and the workability when taking out the master batch from the kneader and the productivity during granulation are significantly deteriorated. Show the trend.
  • the strength of the resin component constituting the masterbatch is increased. It becomes weak and the shape of the masterbatch may collapse during transportation.
  • the master batch for coloring a synthetic resin of the present invention preferably contains the aluminum pigment in the range of 60% by mass to 80% by mass, and more preferably in the range of 65% by mass to 75% by mass. preferable.
  • the content of the aluminum pigment is in the range of 60% by mass or more and 80% by mass or less, the content of the resin component in the masterbatch is relatively reduced.
  • the effect of reducing the proportion of resin components other than the base resin is shown.
  • Such “contamination” causes a decrease in the strength of the base resin, and as a result, contributes to prevention of a decrease in the strength of the base resin.
  • the powdery material is contained when the synthetic resin molded product is formed by feeding the master batch and the base resin with a screw feeder or the like and melting and kneading the master batch
  • the difference in the concentration of aluminum pigment contained in the synthetic resin molded product molded at the beginning of a series of molding steps and the synthetic resin molded product molded thereafter is fed by being fed together and kneaded with the base material resin. May occur (the concentration of the aluminum pigment contained in the first synthetic resin molded product is higher). From the above points, it is preferable that the content of the aluminum pigment is in the range of 60% by mass or more and 80% by mass or less to prevent the generation of the powdery material.
  • the masterbatch for synthetic resin coloring of this invention can contain conventionally well-known arbitrary additives in the range which does not inhibit the effect of this invention.
  • additives include extender pigments such as talc and silica, azo pigments, anthraquinone pigments, quinacridone pigments, phthalocyanine pigments, perylene pigments, perinone pigments, dioxazine pigments, and quinophthalone pigments.
  • Organic pigments such as titanium oxide, ben pattern, ultramarine blue, bitumen, yellow iron oxide, yellow lead, chromium vermilion, complex oxide pigments, pigments such as carbon black, dispersants, and the like.
  • examples of the dispersant include metal soaps such as aluminum stearate, magnesium stearate, calcium stearate, strontium stearate, lithium stearate, zinc stearate, calcium stearate, vinyltrimethoxysilane, vinyltriethoxysilane, vinyltris.
  • (2-methoxyethoxy) silane N- (2-aminoethyl) 3-aminopropyltrimethoxysilane, N- (2-aminoethyl) 3-aminopropylmethyldimethoxysilane, 3-aminopropyltrimethoxysilane, 3- Aminopropyltriethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3-glycidoxypropylmethyldimethoxysilane, 3-chloropropylmethyldimethoxysilane, 2- (3 -Epoxycyclohexyl) silane coupling agents such as ethyltrimethoxysilane, 3-chloropropyltrimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-mercaptotripropyltrimethoxysilane, maleic anhydride, etc. .
  • the master batch for coloring a synthetic resin of the present invention can be produced by any known production method.
  • the above-mentioned aluminum pigment (aluminum pigment can also be used in paste form), polyethylene wax and linear low-density polyethylene resin are kneaded while being heated with a universal stirrer or the like (kneading step).
  • the heating temperature in the kneading step varies depending on the resin components to be blended (that is, polyethylene wax and linear low-density polyethylene resin), but is usually preferably in the range of 140 to 180 ° C.
  • the kneading time in the kneading step is not particularly limited as long as the resin component to be blended is uniformly dispersed with the aluminum pigment, but it is usually preferably 0.5 to 2 hours.
  • the solvent component contained in the aluminum pigment paste is preferably removed.
  • the kneaded product is pulverized by a crushing method such as a crusher (pulverizing step), and the synthetic resin of the present invention in the form of pellets substantially having a solid content of 100% by a disk pelletizer
  • a crushing method such as a crusher (pulverizing step)
  • the synthetic resin of the present invention in the form of pellets substantially having a solid content of 100% by a disk pelletizer
  • the synthetic resin coloring masterbatch of the present invention obtained as described above can be suitably produced into a synthetic resin molded product by kneading into a synthetic resin (that is, the coloring base resin). it can. That is, the synthetic resin molded article of the present invention is manufactured using the synthetic resin coloring masterbatch of the present invention.
  • the content of the master batch in the base resin is preferably 0.1 to 7.0% by mass, and more preferably 0.7 to 5.0% by mass. If the content of the master batch is in the range of 0.1 to 7.0% by mass, the ratio of so-called “contamination” is reduced, and the strength of the base resin can be prevented from being lowered.
  • the kind of synthetic resin (matrix resin) that can be colored by the synthetic resin coloring masterbatch of the present invention is not particularly limited, and various conventionally known syntheses. Resins can be mentioned.
  • a non-crystalline synthetic resin such as an ABS resin can be mentioned, and the non-crystalline synthetic resin can be colored without reducing the strength, which is a great feature of the present invention. This is because the conventional synthetic resin coloring masterbatch could not color the non-crystalline synthetic resin without reducing the strength.
  • the synthetic resin coloring masterbatch of the present invention can be kneaded into any kind of synthetic resin, which is non-crystalline or crystalline, without reducing the strength.
  • the excellent effect that it can be colored is shown.
  • Such a synthetic resin molded product of the present invention is a molded product molded by various conventionally known molding methods such as injection molding, extrusion molding, blow molding and the like, and the shape thereof is not particularly limited.
  • intermediate work products before final shaping for example, the synthetic resin coloring masterbatch of the present invention and a coloring base material resin were kneaded into pellets) Colored pellets and the like are also included in the synthetic resin molded product of the present invention.
  • the aluminum pigment used in Examples and Comparative Examples is a paste containing an aluminum pigment having an average particle diameter of 20 ⁇ m (trade name “Alpaste TCR2020”; manufactured by Toyo Aluminum Co., Ltd.). It mix
  • the average particle diameter of the aluminum pigment is the 50% cumulative value measured by the laser diffraction method using a laser diffraction particle size distribution analyzer (trade name “Microtrac HRA9320-X100”, manufactured by Nikkiso Co., Ltd.). The particle size.
  • each raw material having a blending ratio shown in Table 1 below was uniformly kneaded and deaerated with a universal stirrer at a heating temperature of 160 ° C. at the time of kneading to prepare a mixture. Subsequently, the obtained mixture was preliminarily pulverized with a crusher or the like, and a cylindrical pellet-shaped synthetic resin coloring master batch having a diameter ⁇ of 2.5 mm and a height of 2 mm to 5 mm was prepared using a disk pelletizer.
  • each synthetic resin coloring masterbatch produced in this manner was used to color the ABS resin to produce a synthetic resin molded product made of the ABS resin. That is, colored pellets were prepared by blending and extruding each master batch and ABS resin in the proportions described below, and a synthetic resin molded product (test piece) was prepared by injection molding the colored pellets.
  • ABS resin Heat-resistant ABS resin MTH-2 manufactured by Nippon A & L Co., Ltd., melt flow rate: 11.4, density: 1040 kg / m 3
  • the colored pellets were prepared in such a way that the content of the synthetic resin coloring masterbatch was 2.86% by mass (aluminum pigment content: 2.00%).
  • BT-30-X-30L screw extruder BT-30-X-30L (screw diameter: 30 mm, L / D ratio: 30, die diameter ⁇ : 3 mm ⁇ 2 locations), kneading and extrusion at an extrusion temperature of 220 ° C., and cooling the strand with water And pelletized with a cutter.
  • the test piece was produced by injection-molding the colored pellet produced in this way at the molding temperature of 250 degreeC.
  • the tension test and the Izod impact test were implemented using this test piece.
  • the shape of the test piece was No. 1 according to JIS K 7113, and the tensile yield stress (MPa) was measured at a tensile speed of 50 mm / min.
  • the Izod impact test was in accordance with JIS K 7110, the shape of the test piece was No. 2, and the weigh was 4J, and the Izod impact strength (kJ / m 2 ) was measured.
  • Example 2 When the synthetic resin coloring masterbatch of Example 1 and the synthetic resin coloring masterbatch of Example 2 are compared, the Latra value of Example 2 is lower than the Latra value of Example 1 and is linear. It was confirmed that the strength of the synthetic resin coloring masterbatch was improved as the amount of the low-density polyethylene resin added increased. On the other hand, it is clear that the synthetic resin coloring masterbatch of Comparative Example 1 that does not contain a linear low-density polyethylene resin has a high ratra value and the strength of the synthetic resin coloring masterbatch is insufficient.
  • the tensile yield stress of the test piece manufactured using the synthetic resin coloring masterbatch of Example 2 is 45.6 MPa, which is lower than the tensile yield stress (45.6 MPa) of the ABS resin before coloring.
  • the fracture surface of the test piece of Example 2 was visually confirmed, it was confirmed that phase separation was not observed and the synthetic resin coloring masterbatch was uniformly dispersed.
  • the test piece of Example 2 had an Izod impact strength of 17.5 kJ / m 2 , and no decrease in strength was observed compared to the Izod impact strength of ABS resin (17.3 kJ / m 2 ).
  • the test piece manufactured using the synthetic resin coloring masterbatch of Comparative Example 1 showed an Izod impact strength of 17.6 kJ / m 2 , which was almost the same value as the Izod impact strength of ABS resin.
  • the tensile yield stress was 45.4 MPa, which was significantly lower than the tensile yield stress (45.6 MPa) of the ABS resin before coloring.
  • Such a decrease in strength in the test piece of Comparative Example 1 showed a high correlation with the result of the above-mentioned ratra value (result that the ratra value of Comparative Example 1 was lower than that of Examples 1 and 2).

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention porte sur un mélange-maître pour colorer une résine synthétique. Le mélange-maître comporte un pigment d'aluminium, une cire de polyéthylène et une résine de polyéthylène basse densité linéaire. Le mélange-maître est caractérisé par le fait que, lorsque le mélange-maître est préparé en des pastilles cylindriques ayant chacune un diamètre de 2,5 mm et une hauteur de 2 à 5 mm compris, chacune des pastilles cylindriques a une valeur Rattler inférieure ou égale à 2,5 %.
PCT/JP2009/068049 2008-11-21 2009-10-20 Mélange-maître pour colorer une résine synthétique WO2010058673A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US13/130,381 US8513344B2 (en) 2008-11-21 2009-10-20 Masterbatch for coloring synthetic resin
EP09827454A EP2351784B1 (fr) 2008-11-21 2009-10-20 Mélange-maître pour colorer une résine synthétique
CN200980146037.2A CN102216374B (zh) 2008-11-21 2009-10-20 合成树脂着色用母料

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008298515A JP4748541B2 (ja) 2008-11-21 2008-11-21 合成樹脂着色用マスターバッチ
JP2008-298515 2008-11-21

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WO2010058673A1 true WO2010058673A1 (fr) 2010-05-27

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US10603880B2 (en) 2014-08-27 2020-03-31 Toyo Seikan Co., Ltd. Multi-layer direct blow bottle and production process therefor
US10173402B2 (en) 2015-08-31 2019-01-08 Toyo Seikan Co., Ltd. Decorative resin composition and multilayered directly blow-formed bottle having a metallic layer formed by using the same composition
JP6848264B2 (ja) 2016-08-25 2021-03-24 東洋製罐株式会社 加飾多層押出ブローボトルの製造方法。
JP7021028B2 (ja) * 2018-08-07 2022-02-16 旭化成株式会社 ペレット及び熱可塑性樹脂組成物
CN111073193A (zh) * 2019-12-26 2020-04-28 河南兴安新型建筑材料有限公司 一种聚合物/SiO2/Al颜料的制备方法
CN117209871B (zh) * 2023-08-30 2024-04-16 昆山科顺防水材料有限公司 用于防水材料的母粒组合物、母粒及其制备方法和应用

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CN102216374A (zh) 2011-10-12
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CN102216374B (zh) 2013-09-25
JP2010121092A (ja) 2010-06-03
EP2351784A4 (fr) 2012-04-25
US8513344B2 (en) 2013-08-20
KR20110095323A (ko) 2011-08-24
KR101610425B1 (ko) 2016-04-07
US20110230611A1 (en) 2011-09-22
EP2351784A1 (fr) 2011-08-03

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