WO2010128760A2 - 성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자와 그 제조방법, 이를 이용한 발포폴리스티렌 성형물 - Google Patents
성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자와 그 제조방법, 이를 이용한 발포폴리스티렌 성형물 Download PDFInfo
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- WO2010128760A2 WO2010128760A2 PCT/KR2010/002397 KR2010002397W WO2010128760A2 WO 2010128760 A2 WO2010128760 A2 WO 2010128760A2 KR 2010002397 W KR2010002397 W KR 2010002397W WO 2010128760 A2 WO2010128760 A2 WO 2010128760A2
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- expanded polystyrene
- skin layer
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- polystyrene particles
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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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/16—Making expandable particles
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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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/22—After-treatment of expandable particles; Forming foamed products
- C08J9/224—Surface treatment
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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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/22—After-treatment of expandable particles; Forming foamed products
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/22—After-treatment of expandable particles; Forming foamed products
- C08J9/228—Forming foamed products
- C08J9/236—Forming foamed products using binding agents
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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
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J189/00—Adhesives based on proteins; Adhesives based on derivatives thereof
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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
- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249971—Preformed hollow element-containing
- Y10T428/249972—Resin or rubber element
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2998—Coated including synthetic resin or polymer
Definitions
- the present invention relates to expanded polystyrene, and more particularly, when steam heating foam molding using expanded polystyrene particles having a skin layer formed by coating the surface of the expanded polystyrene particles with a coating liquid containing a functional additive such as an inorganic flame retardant.
- the present invention relates to an expanded polystyrene particle having a skin layer having excellent moldability, a method of manufacturing the same, and an expanded polystyrene molded article using the same.
- Expanded polystyrene moldings are made of expanded polystyrene particles prepared by adding a foam such as pentane or butane to a resin containing a polystyrene homopolymer or a styrene copolymer containing a styrene monomer, using a heat source such as steam. It is a molded product of a foam structure formed by molding by heating and heating to generate bubbles in a particle, and is white and light, and has excellent water resistance, heat insulation, sound absorption, cushioning properties, and is widely used in fields such as packaging materials and building materials. .
- foamed polystyrene particles are prepared by pre-exposure and aging of foamed polystyrene particles one to two times, and then injected into a molding mold to perform steam heating foaming. In the case of forming, there is little problem in the molding phase. However, in the production of functional foamed polystyrene molded article having special functionality, it is necessary to solve this problem because it causes some problems in molding.
- the foamed molded article for use in building insulation which is one of the main applications of expanded polystyrene, is difficult to obtain flame retardancy due to insufficient flame retardant effect by adding a general flame retardant or non-flammable agent to the resin due to the specificity of the foam.
- a coating liquid containing a binder component such as a solution-type thermoplastic resin adhesive and a large amount of inorganic flame retardant is applied to the surface of polystyrene particles in the form of foamed particles which are pre-foamed to form a skin layer, and the skin layers are mutually
- a technique has been proposed by the present inventors to allow flame propagation to be blocked by a flame-retardant partition formed by fusion of the skin layer to exert flame retardancy.
- a coating liquid should be prepared by adding an inorganic flame retardant in an amount almost equal to that of a resin serving as a binder. After coating the surface of the pre-expanded resin particles to form a skin layer, In the steam heating foam molding process, due to the large amount of inorganic additives, the skin layer is leached out by the steam, so that the internal penetration of the steam is not made smoothly, or the inorganic additive absorbs the condensed water generated in the vacuum cooling step during molding. Due to problems such as deterioration of adhesion between the particles, molding defects such as cracks, poor internal fusion, and distortion due to shrinkage appeared in the moldings, which adversely affects productivity.
- the present invention was made to solve the problems occurring in the molding process, such as steam heating foam molding process in the production of molded products using expanded polystyrene particles having a skin layer for the purpose of imparting functionality, such as to enhance the adhesive strength of the binder And effectively remove the condensed water generated by the cooling of the injected steam, and improve the physical properties of the molded product such as bending strength and water resistance while lowering the defective rate of the molded product.
- An object of the present invention is to provide polystyrene particles, a method of manufacturing the same, and a foamed polystyrene molded article using the same.
- the skin layer is characterized in that it comprises methylene diphenyl diisocyanate (4,4'-methylene diphenylisocyante, hereinafter may be abbreviated as 'MDI').
- the methylene diphenyl diisocyanate (MDI) used in the present invention is a material obtained by treating (phosgenated) with phosgene (COCl 2 ) in diphenylmethanediamine formed by condensation of aniline and formaldehyde, and curing by reacting with moisture. By doing so, excellent adhesion can be obtained.
- MDI is manufactured in various forms such as polymer MDI (Modified MDI), Monomeric MDI (Monomeric MDI), pure MDI (prepolymer) in consideration of storage and ease of use. In the present invention, all of these various types of MDI can be used, and the form is not particularly limited. Therefore, the appropriate type can be selected and used in consideration of working conditions, working environment, stability, efficiency, and cost.
- MDI methylene diphenyl diisocyanate
- the most suitable form as the binder is a solution-type thermoplastic resin adhesive having a low influence on the surface of the expanded polystyrene particles and the least problem in the steam heating foam molding, the thermoplastic resin when forming the steam heating foam
- the thermoplastic resin when forming the steam heating foam
- vinyl acetate-based resin is dissolved in a solvent in which any one or two or more selected from water, alcohols, esters, ketones, carboxylic acids, aromatics, and halogenated hydrocarbons are mixed to form a vinyl acetate-based resin.
- the thermoplastic resin solution in one form such that the concentration is 3 to 80% by weight is preferable in terms of affinity, harmlessness, workability, moldability, etc. with the expanded polystyrene particles.
- Various functional additives may be added to the skin layer to express various functionalities or to improve the function of the coating liquid when the skin layer is formed.
- the functional additives may include foaming agents, nucleating agents, lubricants, antioxidants, thermal stabilizers, and ultraviolet stabilizers.
- Biostabilizers fillers, reinforcing agents, plasticizers, colorants, impactors, flame retardants, antistatic agents, crosslinking agents, optical brighteners, thermal conductivity imparting agents, electrical conductivity imparting agents, permeability control agents, magnetic imparting agents, surfactants, stabilizers, excipients, It may be selected from among various substances that impart various functionalities such as pharmaceuticals, solvents, curing agents, moisture absorbents, reinforcing agents, fragrances, and antibacterial agents, which may be used in combination, or may be used in combination. It can be used, of course, there is no particular limitation on the kind of functionalities expressed. It is the same below. And these may be an organic additive, or may be an inorganic additive.
- the configuration of the present invention is particularly useful for improving moldability in the case of forming a skin layer to which a relatively large amount of inorganic additive is added for imparting flame retardancy to non-flammability.
- the expanded polystyrene particles in the present invention include not only the homopolymer of the styrene monomer but also all of the expanded particles obtained by foaming the copolymer with other monomers copolymerizable with the styrene monomer or with the expandable particles of polymers blendable with these. Means the same.
- a coating solution comprising a binder selected from the group consisting of a thermoplastic resin adhesive, a thermosetting resin adhesive, an inorganic adhesive, a protein adhesive, and a mixture thereof;
- the skin layer is characterized in that it comprises methylene diphenyl diisocyanate (MDI).
- MDI methylene diphenyl diisocyanate
- the MDI may be mixed with the coating liquid containing the binder component and applied to the surface of the expanded polystyrene particles, or may be applied separately before or after the coating liquid is applied.
- the foamed polystyrene molded article according to the present invention is characterized in that the foamed polystyrene particles having a skin layer having excellent moldability as described above is produced by foam molding by steam heating.
- the expanded polystyrene molded article according to the present invention includes expanded polystyrene particles having a skin layer including a binder selected from the group consisting of a thermoplastic resin adhesive, a thermosetting resin adhesive, an inorganic adhesive, a protein adhesive, and mixtures thereof on the surface of the particles.
- a binder selected from the group consisting of a thermoplastic resin adhesive, a thermosetting resin adhesive, an inorganic adhesive, a protein adhesive, and mixtures thereof on the surface of the particles.
- the skin layer includes a cured modified product by the reaction between the binder and the water of methylene diphenyl diisocyanate, characterized in that the adhesion between the particles is enhanced.
- MDI exerts adhesive force by curing and modifying by reacting with moisture in the steam heating foam molding process.
- the presence of such hardenable modifications of MDI results in the mechanical properties of the expanded polystyrene molding, the shape of the molding, and the prevention of cracking. Moldability is greatly improved.
- Foamed polystyrene particles having a skin layer on the particle surface and foamed polystyrene molded article using the same according to the present invention even if the skin layer contains a large amount of inorganic additives for expressing functionality due to crack generation, poor fusion, shrinkage Molding defects, such as distortion can be improved dramatically, there is an effect that can improve the productivity and quality of the functional foam polystyrene moldings.
- the methylene diphenyl diisocyanate (MDI) is cured by the reaction with water, showing a strong adhesion, and some unreacted MDI is preliminary
- MDI methylene diphenyl diisocyanate
- a binder such as an emulsion-type thermoplastic resin system
- a steam heating foam molding process due to poor moldability, even when a large amount of inorganic functional additives are not included.
- a coating liquid containing an adhesive, a thermosetting resin, an inorganic, a protein adhesive, or the like is used, there is an effect of producing a polystyrene foam molding having excellent moldability and physical properties.
- Example 2 is a photograph of appearance of the polystyrene foam molding prepared in Example 1;
- Figure 3 is an appearance photograph of the polystyrene foam molding prepared in Comparative Example 2;
- Figure 4 is a photograph of the appearance of the polystyrene foam molding prepared in Example 2.
- Example 6 is a photograph of appearance of the polystyrene foam molding prepared in Example 3.
- Example 8 is an appearance photograph of a polystyrene foam molding prepared in Example 4.
- Example 10 is a cross-sectional photograph of the interior of the polystyrene foam molding prepared in Example 5;
- Example 12 is a photograph of appearance of the polystyrene foam molding prepared in Example 6;
- Figure 14 is a photograph of the appearance of the polystyrene foam molding prepared in Example 7.
- step (A) Using the expanded polystyrene particles prepared in step (A), using each coating liquid of the composition of Table 1 for each Example and Comparative Example, the weight ratio with the expanded polystyrene particles as described in Table 1 And dried to form a skin layer.
- MDI was applied by mixing together with the coating liquid using a polymeric MDI (product of BASF Co., Ltd.), except that Example 2 was applied by first applying a coating liquid containing a binder and an inorganic additive, and then applying MDI by applying it. And dried to form a skin layer.
- the foamed polystyrene particles having a skin layer prepared in each of the above Examples and Comparative Examples were introduced into a molding mold, and a high temperature steam of 110 to 120 ° C was injected to heat the foaming polystyrene particles to a temperature of 108 to 116 ° C.
- a foam molding was prepared by allowing the foaming agent contained therein to foam. The density of the foamed molding was about 16 kg / m 3.
- Each foamed molding was cut with an oscillating cutter to check the state of fusion and physical properties therein.
- the bending strength was tested by the bending strength measuring device specified in KS M 3808, and the test criterion is based on 15 / cm3 or more specified in Insulation Board No. 4, and if it is higher than that, it is judged as bad. It was.
- the strength was measured by the bending strength meter, and determined based on the same criteria as the bending strength.
- Formability was judged by numerical change and visual observation of the state of the product after molding.
- the adhesiveness was judged comprehensively by visually determining the smoothness of the surface and the measurement of the bending strength.
- the criterion of adhesion is that when the external force is applied, it shows the area that is broken inside the foamed particles, not the cross-sectional areas of the foamed particles with respect to the entire fracture surface. In this test, the gap and the smoothness between the foamed particles were visually checked. Products less than were evaluated as defective.
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- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
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Abstract
Description
구분 | 사용량(중량%) | 비고 | |||
EPS입자 | 코팅액 | MDI | |||
바인더 | 무기첨가제 | ||||
비교예 1 | 40 | 폴리비닐아세테이트 메탄올 용액 30 | 수산화알루미늄 30 | - | |
실시예 1 | 40 | 수산화알루미늄 25산화철 1% | 4 | ||
비교예 2 | 40 | 폴리비닐아세테이트 에멀젼 30 | 수산화알루미늄 29산화철 1 | - | |
실시예 2 | 40 | 수산화알루미늄 25산화철 1 | 4 | ||
비교예 3 | 40 | 아크릴계 접착제 30 | 수산화알루미늄 30 | - | |
실시예 3 | 40 | 수산화알루미늄 25 | 5 | ||
비교예 4 | 40 | EVA접착제 30 | 수산화알루미늄 29카본블랙 1 | - | |
실시예 4 | 40 | 수산화알루미늄 25카본블랙 1 | 4 | ||
비교예 5 | 40 | 규산염계 무기접착제 30 | 수산화알루미늄 30산화철 1 | - | |
실시예 5 | 40 | 수산화알루미늄 25산화철 1 | 4 | ||
비교예 6 | 40 | 폴리비닐알코올 30 | 수산화알루미늄 30 | - | |
실시예 6 | 40 | 수산화알루미늄 25산화철 1 | 4 | ||
비교예 7 | 40 | 열경화성 수지계 접착제 30 | 수산화알루미늄 19산화철 1소석회 10 | - | |
실시예 7 | 40 | 수산화알루미늄15산화철 1소석회 10 | 4 |
구분 | 성형물의 형태 | 굽힘강도 | 내수성 | 성형성 | 융착성 |
비교예 1 | 표면 수축 현상 발생 | 우수 | 우수 | 불량 | 양호 |
실시예 1 | 형태 안정성 좋음 | 우수 | 우수 | 우수 | 우수 |
비교예 2 | 표면 스팀 흡수에 의한 발포력 상실 | 불량 | 불량 | 불량 | 불량 |
실시예 2 | 형태 안정성 좋음 | 우수 | 우수 | 우수 | 우수 |
비교예 3 | 스팀 투입과정에서 수지의 표면 용탈이 발생하여 내부 융착상태 좋지 않음 | 불량 | 불량 | 불량 | 부위별 차이발생 |
실시예 3 | 형태 안정성 좋음 | 우수 | 우수 | 우수 | 우수 |
비교예 4 | 진공냉각과정에서 응축수가 표면에 잔류하여 성형물 이형시에 일부 탈피현상 발생 | 부위별 차이발생 | 불량 | 불량 | 부위별 차이발생 |
실시예 4 | 형태안정성 좋음 | 우수 | 우수 | 우수 | 우수 |
비교예 5 | 표면 외관과 융착성은 좋으나, 내부 융착성이 현저히 떨어짐 | 부위별 차이발생 | 불량 | 불량 | 부위별 차이발생 |
실시예 5 | 형태안정성 좋음 | 우수 | 우수 | 우수 | 우수 |
비교예 6 | 스팀의 유동이 원활하지 못해 내부 잠재열로 인해 2차 발포가 진행되어 성형물에 크랙발생 | 부위별 차이발생 | 불량 | 불량 | 부위별 차이발생 |
실시예 6 | 형태 안정성 좋음 | 우수 | 우수 | 우수 | 우수 |
비교예 7 | 수축 현상 발생 | 우수 | 양호 | 우수 | 우수 |
실시예 7 | 형태 안정성 좋음 | 우수 | 양호 | 우수 | 우수 |
Claims (17)
- 입자 표면에 열가소성 수지계 접착제, 열경화성 수지계 접착제, 무기계 접착제, 단백질계 접착제 및 이들의 혼합물로 구성된 군으로부터 선택되는 바인더를 포함하는 스킨층이 형성된 발포 폴리스티렌 입자에 있어서,상기 스킨층이 메틸렌디페닐디이소시아네이트 (4,4'-methylene diphenylisocyante)를 포함하는 것을 특징으로 하는 성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자.
- 제 1항에 있어서, 상기 메틸렌디페닐디이소시아네이트가 발포폴리스티렌 입자의 중량을 기준으로 0.1 내지 30중량%의 양으로 포함된 것을 특징으로 하는 성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자.
- 제 1항에 있어서, 상기 바인더가 발포폴리스티렌보다 낮은 연화점 및 융점을 갖는 열가소성 수지를 포함하는 열가소성 수지계 접착제인 것을 특징으로 하는 성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자.
- 제 3항에 있어서, 상기 바인더가 아세트산비닐계의 수지를 물, 알코올류, 에스테르류, 케톤류, 카르복시산류, 방향족류 및 할로겐화탄화수소류 중에서 선택되는 어느 하나 또는 2가지 이상의 것을 혼합한 형태의 용매에 용해하여 아세트산비닐계 수지의 농도가 3~80중량%가 되도록 한 형태의 열가소성 수지용액인 것을 특징으로 하는 성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자.
- 제 1항에 있어서, 상기 스킨층이 기능성 첨가제를 추가로 포함하는 것을 특징으로 하는 성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자.
- 제 5항에 있어서, 상기 기능성 첨가제는, 발포제, 핵제, 윤활제, 산화방지제, 열안정제, 자외선안정제, 생물안정제, 충진제, 보강제, 가소제, 착색제, 내충격제, 난연제, 대전방지제, 가교제, 형광증백제, 열전도성 부여제, 전기전도성 부여제, 투과성 조절제, 자성 부여제, 계면활성제, 안정제, 부형제, 의약제, 용매, 경화제, 흡습제, 강화제, 향료, 항균제 및 이들의 혼합물로 구성된 군으로부터 선택되는 것을 특징으로 하는 성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자.
- 열가소성 수지계 접착제, 열경화성 수지계 접착제, 무기계 접착제, 단백질계 접착제 및 이들의 혼합물로 구성된 군으로부터 선택되는 바인더를 포함하는 코팅액을 제조하는 단계;상기 코팅액을 발포 폴리스티렌 입자의 표면에 균일하게 도포하는 단계; 및상기 도포된 코팅액을 건조하는 단계를 포함하여 입자의 표면에 스킨층이 형성된 발포 폴리스티렌 입자를 제조하는 방법에 있어서,상기 스킨층이 메틸렌디페닐디이소시아네이트(MDI)를 포함하도록 하는 것을 특징으로 하는 성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자의 제조방법.
- 제 7항에 있어서, 상기 메틸렌디페닐디이소시아네이트는 바인더 성분을 포함하는 코팅액에 함께 혼합하여 발포 폴리스티렌 입자의 표면에 도포하거나, 코팅액의 도포 전 또는 후에 별도로 도포하는 것을 특징으로 하는 성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자의 제조방법.
- 제 7항에 있어서, 상기 메틸렌디페닐디이소시아네이트는 발포폴리스티렌 입자의 중량을 기준으로 0.1 내지 30중량%의 양으로 사용되는 것을 특징으로 하는 성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자의 제조방법.
- 제 7항에 있어서, 상기 코팅액이 기능성 첨가제를 추가로 포함하는 것을 특징으로 하는 성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자의 제조방법.
- 제 10항에 있어서, 상기 기능성 첨가제는, 발포제, 핵제, 윤활제, 산화방지제, 열안정제, 자외선안정제, 생물안정제, 충진제, 보강제, 가소제, 착색제, 내충격제, 난연제, 대전방지제, 가교제, 형광증백제, 열전도성 부여제, 전기전도성 부여제, 투과성 조절제, 자성 부여제, 계면활성제, 안정제, 부형제, 의약제, 용매, 경화제, 흡습제, 강화제, 향료, 항균제 및 이들의 혼합물로 구성된 군으로부터 선택되는 것을 특징으로 하는 성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자의 제조방법.
- 제 7항에 있어서, 상기 바인더는 발포폴리스티렌보다 낮은 연화점 및 융점을 갖는 열가소성 수지를 포함하는 열가소성 수지계 접착제인 것을 특징으로 하는 성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자의 제조방법.
- 제 12항에 있어서, 상기 열가소성 수지계 접착제는, 상기 열가소성 수지가 물, 알코올류, 에스테르류, 케톤류, 카르복시산류, 방향족류, 할로겐화 탄화수소류 및 이들의 혼합물로 구성된 군으로부터 선택되는 용매에 용해된 형태인 것을 특징으로 하는 성형성이 우수한 스킨층을 갖는 발포폴리스티렌 입자의 제조방법.
- 제 1항에 따른 스킨층을 갖는 발포폴리스티렌 입자를 스팀가열에 의해 발포성형하여 이루어지는 것을 특징으로 하는 발포폴리스티렌 성형물.
- 입자 표면에 열가소성 수지계 접착제, 열경화성 수지계 접착제, 무기계 접착제, 단백질계 접착제 및 이들의 혼합물로 구성된 군으로부터 선택되는 바인더를 포함하는 스킨층이 형성된 발포 폴리스티렌 입자가, 상기 스킨층끼리 서로 융착되어 입자 사이에 격벽 형태로 존재하는형태의 발포 폴리스티렌 성형물에 있어서,상기 스킨층에 바인더와 메틸렌디페닐디이소시아네이트의 수분과의 반응에 의한 경화 변성물이 포함되어 입자간의 접착력이 강화된 것을 특징으로 하는 발포 폴리스티렌 성형물.
- 제 15항에 있어서, 상기 스킨층에는 발포제, 핵제, 윤활제, 산화방지제, 열안정제, 자외선안정제, 생물안정제, 충진제, 보강제, 가소제, 착색제, 내충격제, 난연제, 대전방지제, 가교제, 형광증백제, 열전도성 부여제, 전기전도성 부여제, 투과성 조절제, 자성 부여제, 계면활성제, 안정제, 부형제, 의약제, 용매, 경화제, 흡습제, 강화제, 향료, 항균제 및 이들의 혼합물로 구성된 군으로부터 선택되는 기능성 첨가제가 더 포함되어 있는 것을 특징으로 하는 발포 폴리스티렌 성형물.
- 제 16항에 있어서, 상기 기능성 첨가제는 무기물인 것을 특징으로 하는 발포 폴리스티렌 성형물.
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JP2012508389A JP2012525464A (ja) | 2009-05-06 | 2010-04-16 | 成形性に優れたスキン層を有する発泡ポリスチレン粒子及びその製造方法、並びにこれを用いた発泡ポリスチレン成形物 |
PL10772220T PL2428532T3 (pl) | 2009-05-06 | 2010-04-16 | Cząstka porowatego polistyrenu mająca warstwę powlekającą o doskonałej formowalności, sposób jej wytwarzania oraz wyrób formowany z porowatego polistyrenu z wykorzystaniem tego sposobu |
ES10772220.9T ES2536999T3 (es) | 2009-05-06 | 2010-04-16 | Partícula de poliestireno expandido que tiene una capa superficial con elevada capacidad de conformación, procedimiento para su fabricación y artículo de poliestireno expandido moldeado utilizando el mismo |
CN2010800197522A CN102414265B (zh) | 2009-05-06 | 2010-04-16 | 具备优异模塑性的具有皮层的膨胀聚苯乙烯颗粒及其制备方法和使用它的膨胀聚苯乙烯模塑制品 |
US13/266,878 US20120052127A1 (en) | 2009-05-06 | 2010-04-16 | Expanded polystyrene particles having skin layer with superior moldability, method for preparing the same and expanded polystyrene molded article using the same |
DK10772220.9T DK2428532T3 (en) | 2009-05-06 | 2010-04-16 | Expanded polystyrene particle with an outer layer with excellent formability, process for preparing same and the molded article of expanded polystyrene, using the same |
EP20100772220 EP2428532B1 (en) | 2009-05-06 | 2010-04-16 | Expanded polystyrene particle having a skin layer with superior formability, method for producing same, and expanded polystyrene molded article using same |
HRP20150482TT HRP20150482T1 (hr) | 2009-05-06 | 2015-05-04 | Äśestice ekspandiranog polistirena äśiji površinski sloj ima superiorne moguä†nosti oblikovanja, postupak njihove proizvodnje, te artikl oblikovan iz ekspandiranog polistirena uz upotrebu istog |
SM201500162T SMT201500162B (it) | 2009-05-06 | 2015-07-06 | Particella di polistirene espanso avente uno strato superficiale con lavorabilita'superiore, metodo per produrla, ed articolo modellato di polistireneespanso usante la stessa |
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CN (1) | CN102414265B (ko) |
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KR101060311B1 (ko) | 2011-03-29 | 2011-08-31 | 폴머(주) | 고단열성의 난연성 복합보드 및 이를 이용한 건축용 패널 |
KR101325263B1 (ko) | 2011-07-27 | 2013-11-04 | (주)폴머 | 스킨층을 갖는 발포 폴리스티렌 입자 및 이를 이용한 발포 폴리스티렌 성형물 |
KR20130052484A (ko) * | 2011-11-11 | 2013-05-22 | 제일모직주식회사 | 단열성 및 작업성이 우수한 발포성 폴리스티렌, 그 제조방법 및 그로부터 형성된 발포체 |
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KR101729384B1 (ko) * | 2015-03-19 | 2017-04-24 | 류영완 | 난연성 조성물 및 이를 포함하는 난연성 성형물 |
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KR102556207B1 (ko) * | 2020-08-14 | 2023-07-14 | 전남대학교산학협력단 | 난연성 eps 비드 제조용 유무기복합 난연성조성물, 상기 조성물로 코팅된 난연성 eps 비드 및 상기 난연성 eps 비드 제조방법 |
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PL2428532T3 (pl) | 2015-07-31 |
SMT201500162B (it) | 2015-09-07 |
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DK2428532T3 (en) | 2015-06-01 |
EP2428532B1 (en) | 2015-02-25 |
KR100927550B1 (ko) | 2009-11-20 |
JP2012525464A (ja) | 2012-10-22 |
ES2536999T3 (es) | 2015-06-01 |
WO2010128760A3 (ko) | 2011-01-13 |
US20120052127A1 (en) | 2012-03-01 |
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