KR101427197B1 - Polyethylen terephthalate having glue layer and Its methode - Google Patents
Polyethylen terephthalate having glue layer and Its methode Download PDFInfo
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- KR101427197B1 KR101427197B1 KR1020120129849A KR20120129849A KR101427197B1 KR 101427197 B1 KR101427197 B1 KR 101427197B1 KR 1020120129849 A KR1020120129849 A KR 1020120129849A KR 20120129849 A KR20120129849 A KR 20120129849A KR 101427197 B1 KR101427197 B1 KR 101427197B1
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- 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
- C09J167/00—Adhesives based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Adhesives based on derivatives of such polymers
- C09J167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
- C09J167/03—Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the carboxyl - and the hydroxy groups directly linked to aromatic rings
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- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
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Abstract
본 발명은 폴리에틸렌 테레프탈레이트(Polyethylen terephthalate: PET, 이하 PET수지라 함.)에 자외선 차단과 도료(Paints)착색 및 타 물질의 접착이 가능한 접착층을 형성하여 PET수지의 내후성을 향상시키고 각종 이형압출제품으로 생산할 수 있도록 한 접착층이 형성된 PET수지와 그 제조방법에 관한 것이다.
본 발명은, PET수지 60~80중량%에 강화재 20~40중량%를 혼합하여 이중압출기에서 압출 성형하고, 상기 이중압출기에서 압출성형하는 과정에서 PET수지 표면에 ABS수지와 G.PET수지(Polyethylene Terephthalate Glycol)를 중량비 1:1로 혼합한 혼합물을 이중압출하여 PET수지 표면에 접착층을 형성토록 한 것에 요지 있다.The present invention relates to a method for improving the weather resistance of a PET resin by forming an adhesive layer on a polyethylene terephthalate (PET) resin (hereinafter referred to as PET resin) capable of blocking ultraviolet rays, painting paints and adhering other materials, And a method for producing the PET resin.
The present invention relates to a method for producing a polyester resin composition, which comprises mixing 60 to 80% by weight of a PET resin with 20 to 40% by weight of a reinforcement material, extruding the mixture in a double extruder, Terephthalate Glycol) at a weight ratio of 1: 1 is extruded to form an adhesive layer on the surface of the PET resin.
Description
본 발명은 접착층이 형성된 PET수지와 그 제조방법에 관한 것으로, 보다 상세하게는 폴리에틸렌 테레프탈레이트(Polyethylen terephthalate: PET, 이하 PET수지라 함.)에 자외선 차단과 도료(Paints)착색 및 타 물질의 접착이 가능한 접착층을 형성하여 PET수지의 내후성을 향상시키고 각종 이형압출제품으로 생산할 수 있도록 한 접착층이 형성된 PET수지와 그 제조방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a PET resin in which an adhesive layer is formed and a method of manufacturing the PET resin. More particularly, the present invention relates to a PET resin, The present invention relates to a PET resin in which an adhesive layer is formed to improve the weather resistance of a PET resin and to produce an adhesive layer capable of being produced in various molded extrusion products.
또, 본 발명은 PET수지 저융점PET수지를 주재료로 하여 자외선 차단효과로 내후성을 높이고 탄소섬유, 유리섬유 등의 강화재를 혼합하여 가벼우면서도 충격에 강하고 인장력에 우수한 장점 등을 발휘하게 하여 인삼밭 지주대 등으로 사용할 수 있도록 한 농업용 파이프와 그 제조방법에 대한 본 출원인의 선 출원발명(대한민국 발명특허출원 제10-2011-0117439호)의 개량 발명에 관한 것이다.In addition, the present invention uses PET resin low-melting point PET resin as a main material, enhances weather resistance by ultraviolet ray shielding effect and mixes reinforcing materials such as carbon fiber and glass fiber to exhibit light weight, strong impact and excellent tensile strength, The present invention relates to an improved invention of the applicant's prior invention (Korean Patent Application No. 10-2011-0117439) for an agricultural pipe and a method of manufacturing the same.
주지된 바와 같이 PET수지는 성형가공성과 재생성(RECYCLE)이 우수하고 밀도가 조밀하여 강도가 뛰어나며 가격이 저렴한 등의 장점을 가지고 있어 파이프, 시트, 새시(Sash) 등의 이형압출제품으로 생산할 경우 많은 이익을 기대할 수 있는 반면에 자외선에 취약하여 경화됨으로써 내후성이 저조하고 타물질과 접착되지 않은 성질을 가지고 있다.As is well known, PET resin has advantages such as excellent moldability and recyclability, dense density, excellent strength and low cost, and it can be used as extrusion extrusion products such as pipes, sheets, sashes While it can be expected to profit, it is vulnerable to ultraviolet ray and hardened, so it has poor weatherability and is not bonded with other materials.
이와 같이 PET수지는 자외선에 취약하여 내후성이 저조한 등의 단점으로 각종 이형압출제품으로 생산하기 곤란하지만 자외선 차단 코팅층을 형성하여 내후성을 높이고 탄소섬유, 유리섬유 등을 접착시켜 철보다 가벼우면서도 충격에 강하고 인장력도 우수한 장점 등을 발휘케 할 경우 각종 산업분야와 건축분야에서 유용하게 사용할 수 있는 소재이다.As described above, PET resin is vulnerable to ultraviolet rays and has a disadvantage of low weather resistance. However, it is difficult to produce various types of extrusion products. However, since it forms an ultraviolet barrier coating layer to improve weatherability and adheres carbon fiber and glass fiber, It is a material that can be usefully used in various industrial fields and architectural fields if it shows advantages such as excellent tensile strength.
이에 PET수지의 단점을 보완하고 장점을 발휘할 수 있도록 하기 위한 연구와 개발이 이하의 참고문헌에서 게재된 바와 같이 다양하게 이루어지고 있다.In order to overcome the drawbacks of the PET resin and to demonstrate its merits, research and development have been carried out variously as described in the following references.
참고문헌1에는, PET수지의 융점(Tm)이 250 내지 260℃의 것에 반하여 연화점이 100℃이고 융점(Tm)이 150 내지 160℃인 저융점 PET수지와 폴리우레탄수지를 혼합하여 PET수지를 서로 결속하는 바인더 역할을 하도록 접착조성물을 조성하고 이를 PET수지에 접착층을 코팅, 형성함으로써 자외선을 차단하고 탄소섬유, 유리섬유 등의 접착이 가능한 접착층을 가지는 PET수지와 그 제조방법에 대해 게재되어 있다.In Reference 1, a low melting point PET resin having a softening point of 100 DEG C and a melting point (Tm) of 150 to 160 DEG C is mixed with a polyurethane resin while the melting point (Tm) of the PET resin is 250 to 260 DEG C, A PET resin having an adhesive layer capable of bonding ultraviolet rays and capable of adhering carbon fibers or glass fibers by forming an adhesive composition so as to serve as a binding binder and coating and forming an adhesive layer on the PET resin, and a manufacturing method thereof.
참고문헌2에는, PET수지에 적층된 접착층으로 구성되고 상기 접착층은 상기 PET수지 보다 낮은 융점을 가지고 융점이 50 내지 145℃인 저융점 PET수지 및 에스테르계 폴리우레탄수지의 혼합성분으로 구성되며 PET수지와 저융점 PET수지 및 에스테르계 폴리우레탄수지의 혼합성분으로 구성된 접착층은 공압출에 의해 적층되어 제조되는 것을 특징으로 하는 향상된 접착층을 가지는 PET적층체가 게재되어 있다.Reference 2 is made up of an adhesive layer laminated on a PET resin, and the adhesive layer is composed of a mixed component of a low melting point PET resin and an ester type polyurethane resin having a melting point lower than that of the PET resin and having a melting point of 50 to 145 DEG C, And an adhesive layer composed of a mixture of low-melting-point PET resin and ester-based polyurethane resin are laminated by coextrusion, and a PET laminate having an improved adhesive layer is disclosed.
참고문헌3에는 PET수지의 강도와 점도를 높여 성형가공을 더욱 좋게 하며 여기에 탄소섬유, 유리섬유 등의 접착이 가능하고 도료의 착색이 가능한 접착층을 형성하여 각종 이형압출제품으로 생산할 수 있게 한 접착층이 형성된 PET수지와 그 제조방법이 게재되어 있다.Reference 3 discloses an adhesive layer which can increase the strength and viscosity of the PET resin to improve the molding process and to form an adhesive layer capable of adhering carbon fiber or glass fiber and capable of coloring the paint, And a method for producing the same.
한편, 본 출원인은 PET수지와 저융점PET수지를 주재료로 하여 자외선 차단효과로 내후성을 높이고 탄소섬유, 유리섬유 등의 강화재를 혼합하여 가벼우면서도 충격에 강하고 인장력에 우수한 장점 등을 발휘하게 하여 인삼밭 지주대 등으로 사용할 수 있도록 한 농업용 파이프와 그 제조방법에 대해 선 출원발명(대한민국 발명특허출원 제10-2011-0117439호)한 바 있다.On the other hand, the applicant of the present invention uses PET resin and low melting point PET resin as main materials to enhance the weather resistance by ultraviolet ray shielding effect and mix reinforcing materials such as carbon fiber and glass fiber to exhibit light weight, strong impact and excellent tensile strength, (Korean Inventions Patent Application No. 10-2011-0117439) concerning the agricultural pipe and the manufacturing method thereof that can be used as a support stand.
본 발명은 PET수지에 탄소섬유, 유리섬유 등의 강화재를 혼합하여 이형압출성형하고 상기 성형물에 ABS수지를 혼합한 G.PET수지(PET-G수지:Polyethylene Terephthalate Glycol; APET에 CHDM(1,4-CYCLOHEXANEDIMETHANOL AGLYCOL)을 Alloy한 것. 이하 G.PET수지라 함.) 또는 저융점PET수지(용점(TM)이 150~200℃인 PET수지)를 코팅하여 접착층을 형성하는 간단한 공정으로 자외선 차단은 물론 도료착색과 타 물질의 접착이 가능한 접착층을 형성한 PET수지를 제조할 수 있게 함으로써 이를 내후성이 뛰어나며 충격에 강하고 인장력이 우수한 PET수지 제품을 제조할 수 있게 하여 인삼밭 지주대, 비닐하우스 골조를 비롯한 각종 농업용 파이프 등의 다양한 제품을 제조, 공급할 수 있게 하고자 한다.In the present invention, PET resin is mixed with a reinforcing material such as carbon fiber or glass fiber and extrusion-molded, and a G. PET resin (PET-G resin: Polyethylene Terephthalate Glycol; (PET) resin having a melting point (TM) of 150 to 200 DEG C) to form an adhesive layer, and the ultraviolet ray blocking As a result, it is possible to produce a PET resin having an adhesive layer capable of coloring paints and adhering other materials, thereby making it possible to produce a PET resin product having excellent weather resistance, impact resistance and tensile strength, And various kinds of agricultural pipes.
상기 과제를 해결하기 위한 본 발명은;According to an aspect of the present invention,
[청구항1]에 기재된 발명에 따르면; PET수지 60~80중량%에 강화재 20~40중량%를 혼합하여 이중압출기에서 압출 성형하고, 상기 이중압출기에서 압출성형하는 과정에서 PET수지 표면에 ABS수지와 G.PET수지(Polyethylene Terephthalate Glycol)를 중량비 1:1로 혼합한 혼합물을 이중압출하여 PET수지 표면에 접착층을 형성하는 것을 특징으로 한다.According to the invention described in claim 1, 20 to 40% by weight of a reinforcing material is mixed with 60 to 80% by weight of PET resin, extruded in a double extruder, and ABS resin and G. PET resin (Polyethylene Terephthalate Glycol) And the mixture is mixed and extruded at a weight ratio of 1: 1 to form an adhesive layer on the surface of the PET resin.
[청구항2]에 기재된 발명에 따르면; PET수지 60~80중량%에 강화재 20~40중량%를 혼합하여 이중압출기에서 압출 성형하고, 상기 압출과정에서 PET수지 표면에 ABS수지와 저융점PET수지(용점(TM)이 150~200℃인 PET수지)를 중량비 1:1의 비율로 혼합한 혼합물을 이중압출하여 PET수지 표면에 접착층을 형성하는 것을 특징으로 한다.According to the invention described in claim 2, The ABS resin and the low melting point PET resin (having a melting point (TM) of 150 to 200 占 폚) are mixed with the PET resin by 60 to 80% by weight of the reinforcing material and 20 to 40% by weight of the reinforcing material by extrusion molding in a double extruder. PET resin) at a weight ratio of 1: 1 is extruded to form an adhesive layer on the surface of the PET resin.
[청구항3]에 기재된 발명에 따르면; 제1항 또는 제2항에 있어서, 상기 강화재는 2~3mm로 잘게 절단한 유리섬유 촙(Chop)으로 이루어진 것을 특징으로 한다.According to the invention described in claim 3, The reinforcing member according to claim 1 or 2, wherein the reinforcing material is made of a glass fiber chop finely cut into 2 to 3 mm.
[청구항4]에 기재된 발명에 따르면; 제1항 또는 제2항의 제조방법에 의해 제조되는 것을 특징으로 한다.According to the invention described in claim 4, Characterized in that it is produced by the production method according to any one of claims 1 to 3.
본 발명은 자외선차단효과 및 탄소섬유, 유리섬유 등의 강화재 혼합으로 내후성이 우수하고 강도가 뛰어난 PET수지를 간단한 공정으로 제조할 수 있어 인삼밭지주대, 비닐하우스 골조를 비롯한 농업용 파이프 등의 여러 용도와 목적의 이형압출제품을 저렴한 비용으로 생산, 공급할 수 있는 경제적 이익을 득할 수 있으며, PET수지를 이용하여 우수한 품질의 다양한 제품개발을 용이하게 할 수 있는 등의 이점과 효과를 기대할 수 있다.The present invention can produce a PET resin having excellent weather resistance and excellent strength by a simple process by mixing ultraviolet ray blocking effect and reinforcing materials such as carbon fiber and glass fiber, and can be used for various purposes such as a ginafossil bed frame, a vinyl house frame, It is economically advantageous to produce and supply the desired shaped extrusion products at a low cost, and it is expected that the advantage and effect of facilitating the development of various products of excellent quality by using the PET resin can be expected.
본 발명은 PET수지 60~80중량%에 강화재 20~40중량%를 혼합하여 압출 성형하고 상기 압출 과정에서 ABS수지와 혼합한 G.PET수지 또는 ABS수지와 혼합한 저융점 PET수지를 상기 PET수지 표면에 압출, 코팅함으로써 접착층을 형성한 PET수지를 제조할 수 있도록 한 것에 특징이 있다.The present invention relates to a PET resin composition comprising 60 to 80% by weight of a PET resin mixed with 20 to 40% by weight of a reinforcement material, extrusion molding, and a low melting point PET resin mixed with G.PET resin or ABS resin mixed with an ABS resin during the extrusion process, And a PET resin having an adhesive layer formed by extrusion coating on the surface thereof.
본 발명을 구체적인 실시예를 통하여 상세히 살펴보면 이하와 같다.
Hereinafter, the present invention will be described in detail with reference to specific examples.
1. One. 제1실시예First Embodiment
PET수지 60~80중량%에 강화재 20~40중량%를 혼합하여 압출 성형한다.60 to 80% by weight of a PET resin is mixed with 20 to 40% by weight of a reinforcement material and extrusion-molded.
상기 강화재는 PET수지의 강도와 점도를 높여서 강도 강화에 따른 내구성 향상과 점도 향상으로 성형가공을 높이기 위한 것이므로 용융혼련이 용이하도록 잘게 절단한 2~3mm의 유리섬유 촙(Chop)을 혼합한다.The reinforcing material is to increase the strength and viscosity of the PET resin to improve the durability due to the strengthening of the strength and to improve the molding process by improving the viscosity. Therefore, a chop of 2 to 3 mm cut into fine pieces is mixed to facilitate melting and kneading.
상기 강화재는 혼합량에 비례하여 강도증대를 기대할 수 있으나 강화재의 혼합비율이 많을 경우에는 PET수지의 성형가공성이 저하되므로 제품 특성에 따라 적합한 강도를 갖도록 일정 비율로 혼합하는 것이 바람직하며, 또 강화재는 유리섬유와 등가인 탄소섬유 등으로 치환하여 실시할 수 있다.The reinforcing material may be expected to have an increased strength in proportion to the amount of mixing. However, when the mixing ratio of the reinforcing material is large, the molding processability of the PET resin is lowered. Therefore, It is possible to carry out substitution with carbon fiber equivalent to fiber.
상기와 같이 강화재를 혼합한 PET수지는 이중압출기(260~280℃)에서 압출 성형하고 상기 압출과정에서 PET수지 표면에 ABS수지와 G.PET수지를 중량비 1:1의 비율로 혼합한 혼합물을 이중압출하여 코팅함으로써 접착층을 형성한다.The PET resin mixed with the reinforcing material as described above was extruded in a double extruder (260-280 DEG C), and a mixture obtained by mixing ABS resin and G. PET resin at a weight ratio of 1: 1 on the surface of the PET resin during the extrusion process Extruded and coated to form an adhesive layer.
즉, 메인압출기에서 압출되는 PET수지 표면에 서브압출기에서 ABS수지와 G.PET수지를 혼합한 혼합물을 압출, 코팅하여 접착층을 형성한다.That is, on the surface of the PET resin extruded from the main extruder, a mixture obtained by mixing ABS resin and G.PET resin in a sub-extruder is extruded and coated to form an adhesive layer.
상기에서 ABS수지는 G.PET수지의 용융점도와 강도를 높여주고, G.PET수지는 자외선차단 및 접착력을 제공함과 아울러 PET수지와 상응하지 않는 ABS수지가 친화력을 가지고 잘 상응되게 하여 안정적으로 코팅이 이루어지게 한다.In the above, the ABS resin increases the melting point and strength of G. PET resin, G.PET resin provides ultraviolet ray shielding and adhesive force, and ABS resin which does not correspond to PET resin has good affinity with affinity, .
상기와 같이 PET수지 표면에 형성되는 접착층은 강화재가 혼합된 PET수지 표면에 ABS수지를 혼합한 G.PET수지로 0.3~0.5mm 두께의 코팅을 형성하여 접착층을 구성함으로써 자외선차단 및 타 물질의 접착이 가능하게 되어 PET수지로 다양한 이형압출제품을 제조할 수 있다.
As described above, the adhesive layer formed on the surface of the PET resin is formed by forming a coating having a thickness of 0.3-0.5 mm with a G.PET resin in which an ABS resin is mixed on the surface of a PET resin mixed with a reinforcement to form an adhesive layer, It is possible to produce various mold extruded products with PET resin.
2. 제2실시예 2 . Second Embodiment
PET수지 60~80중량%에 강화재 20~40중량%를 혼합하여 압출 성형한다.60 to 80% by weight of a PET resin is mixed with 20 to 40% by weight of a reinforcement material and extrusion-molded.
상기 강화재는 PET수지의 강도와 점도를 높여서 강도 강화에 따른 내구성 향상과 점도 향상으로 성형가공을 높이기 위한 것이므로 용융혼련이 용이하도록 잘게 절단한 2~3mm의 유리섬유 촙(Chop)을 혼합한다.The reinforcing material is to increase the strength and viscosity of the PET resin to improve the durability due to the strengthening of the strength and to improve the molding process by improving the viscosity. Therefore, a chop of 2 to 3 mm cut into fine pieces is mixed to facilitate melting and kneading.
상기 강화재는 혼합량에 비례하여 강도증대를 기대할 수 있으나 강화재의 혼합비율이 많을 경우에는 PET수지의 성형가공성이 저하되므로 제품 특성에 따라 적합한 강도를 갖도록 일정 비율로 혼합하는 것이 바람직하며, 또 강화재는 유리섬유와 등가인 탄소섬유 등으로 치환하여 실시할 수 있다.The reinforcing material may be expected to have an increased strength in proportion to the amount of mixing. However, when the mixing ratio of the reinforcing material is large, the molding processability of the PET resin is lowered. Therefore, It is possible to carry out substitution with carbon fiber equivalent to fiber.
상기 강화재를 혼합한 PET수지는 이중압출기(260~280℃)에서 압출 성형하고 상기 압출과정에서 PET수지 표면에는 ABS수지와 저융점PET수지를 중량비 1:1의 비율로 혼합한 혼합물을 이중압출하여 코팅함으로써 접착층을 형성한다.The PET resin mixed with the reinforcing material is extruded in a double extruder (260 to 280 ° C), and a mixture obtained by mixing ABS resin and low melting point PET resin at a weight ratio of 1: 1 is extruded on the PET resin surface in the extrusion process Thereby forming an adhesive layer.
즉, 메인압출기에서 압출되는 PET수지 표면에 서브압출기에서 ABS수지와 저융점PET수지를 혼합한 혼합물을 압출, 코팅하여 접착층을 형성한다.That is, a mixture of ABS resin and low melting point PET resin is extruded and coated on the surface of the PET resin extruded from the main extruder to form an adhesive layer.
상기 저융점PET수지는 용점(TM)이 150~200℃인 PET수지로서, 이러한 저융점PET수지는 ABS수지에 비례하는 비율로 혼합하여 전술한 예와 같이 PET수지에 대한 ABS수지의 상응 능력의 저하를 방지한다.The low-melting-point PET resin is a PET resin having a melting point (TM) of 150 to 200 ° C. The low-melting-point PET resin is mixed at a ratio proportional to the ABS resin, Thereby preventing degradation.
또 상기 ABS수지 역시 전술한 예와 마찬가지로 저융점PET수지의 용융점도와 강도를 높여주고, 저융점PET수지는 자외선차단 및 접착력을 제공한다.The ABS resin also increases the melting point and strength of the low melting point PET resin and the ultraviolet shielding and adhesive force of the low melting point PET resin.
상기 PET수지 표면에 형성되는 접착층은 강화재가 혼합된 PET수지 표면에 ABS수지를 혼합한 저융점PET수지로 0.3~0.5mm 두께의 코팅을 형성하여 접착층을 구성함으로써 자외선 차단 및 타 물질의 접착이 가능하게 되므로 PET수지로 다양한 이형압출제품을 제조할 수 있다.
The adhesive layer formed on the surface of the PET resin is a low melting point PET resin in which ABS resin is mixed on the surface of the PET resin mixed with the reinforcing material, and a coating of 0.3-0.5 mm thickness is formed to form an adhesive layer, So that various mold extruded products can be produced from PET resin.
이상과 같이 강화재가 혼합되고 접착층이 형성된 PET수지는 우수한 강도 등을 보장할 뿐만 아니라 표면에는 G.PET수지가 코팅된 접착층에 의해 자외선차단효과와 함께 도료착색 등의 뛰어난 접착력을 발휘함으로써 다양한 제품개발을 용이하게 하는 등의 이점을 제공한다.As described above, the PET resin in which the reinforcing material is mixed and the adhesive layer is formed not only ensures excellent strength, but also exhibits excellent adhesion such as coloring effect with ultraviolet ray blocking effect by the adhesive layer coated with G.PET resin on the surface, And the like.
일례로 상기 PET수지는 코팅층이 형성되어 자외선 차단효과와 함께 도료착색 등이 가능하게 됨으로써 PET수지를 이용한 인삼밭 지주대, 비닐하우스 골조, 농업용 파이프 등의 다양한 제품을 생산, 공급할 수 있는 것이다.For example, the PET resin is able to produce and supply various products such as a ginseng field supporting bed, a vinyl house frame, and an agricultural pipe by using a PET resin since a coating layer is formed to enable ultraviolet ray blocking effect and paint coloring.
Claims (4)
상기 이중압출기에서 압출성형하는 과정에서 PET수지 표면에 ABS수지와 G.PET수지(Polyethylene Terephthalate Glycol)를 중량비 1:1로 혼합한 혼합물을 이중압출하여 PET수지 표면에 접착층을 형성하는 것을 특징으로 하는 접착층이 형성된 PET수지의 제조방법.
60 to 80% by weight of a PET resin is mixed with 20 to 40% by weight of a reinforcement material, extruded in a double extruder,
In the process of extrusion molding in the above-mentioned dual extruder, a mixture obtained by mixing ABS resin and G. PET resin (polyethylene terephthalate glycols) at a weight ratio of 1: 1 is extruded on the PET resin surface to form an adhesive layer on the surface of the PET resin Wherein the adhesive layer is formed.
상기 압출과정에서 PET수지 표면에 ABS수지와 저융점PET수지(용점(TM)이 150~200℃인 PET수지)를 중량비 1:1의 비율로 혼합한 혼합물을 이중압출하여 PET수지 표면에 접착층을 형성하는 것을 특징으로 하는 접착층이 형성된 PET수지의 제조방법.60 to 80% by weight of a PET resin is mixed with 20 to 40% by weight of a reinforcement material, extruded in a double extruder,
In the extrusion process, a mixture of an ABS resin and a low melting point PET resin (PET resin having a melting point (TM) of 150 to 200 DEG C) at a weight ratio of 1: 1 was extruded on the surface of the PET resin to form an adhesive layer And forming an adhesive layer on the PET resin.
상기 강화재는 2~3mm로 잘게 절단한 유리섬유 촙(Chop)으로 이루어진 것을 특징으로 하는 접착층이 형성된 PET수지의 제조방법.3. The method according to claim 1 or 2,
Wherein the reinforcing material is made of a glass fiber chop finely cut into 2 to 3 mm.
A PET resin having an adhesive layer formed by the manufacturing method according to claim 1 or 2.
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| KR20110044415A (en) * | 2009-10-23 | 2011-04-29 | 주식회사 피스포스 | Polyethylen terephthalate having glue layer and its methode |
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| KR20040018959A (en) * | 2002-08-27 | 2004-03-04 | 이엠에스-케미에 아게 | High-viscous moulding materials with nano-scale fillers |
| KR20110044415A (en) * | 2009-10-23 | 2011-04-29 | 주식회사 피스포스 | Polyethylen terephthalate having glue layer and its methode |
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