KR100917765B1 - A poly vinyl chloride compounds for a pipe - Google Patents

A poly vinyl chloride compounds for a pipe Download PDF

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KR100917765B1
KR100917765B1 KR1020080045860A KR20080045860A KR100917765B1 KR 100917765 B1 KR100917765 B1 KR 100917765B1 KR 1020080045860 A KR1020080045860 A KR 1020080045860A KR 20080045860 A KR20080045860 A KR 20080045860A KR 100917765 B1 KR100917765 B1 KR 100917765B1
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polyvinyl chloride
chloride resin
based stabilizer
calcium
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KR1020080045860A
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Korean (ko)
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장동원
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장동원
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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
    • C08L27/00—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 a halogen; Compositions of derivatives of such polymers
    • C08L27/02—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2231—Oxides; Hydroxides of metals of tin
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes

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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)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A polyvinyl chloride compound for fluid pipes is provided to ensure excellent physical properties such as high tensile strength and shock resistance, excellent antibacterial property and deodorization, and to be nontoxic by only a tin-based stabilizer and a calcium-based stabilizer not using a lead-based stabilizer. A polyvinyl chloride compound for fluid pipes comprises polyvinyl chloride resin 71.5~86.5 weight %, bamboo charcoal powder 4.3~10.0 weight %, tin-based stabilizer 0.3~0.4 weight %, calcium-zinc-based stabilizer 3.0~4.3 weight %, processing aid 0.8~3.0 weight %, nano-sized calcium carbonate 0.8~3.6 weight %, calcium carbonate 2.6~3.6 weight % and impact reinforcing agent 1.7~3.6 weight %.

Description

유체파이프용 폴리염화비닐 수지 조성물 { A POLY VINYL CHLORIDE COMPOUNDS FOR A PIPE }Polyvinyl chloride resin composition for fluid pipes {A POLY VINYL CHLORIDE COMPOUNDS FOR A PIPE}

본 발명은 상수도나 하수도용 유체파이프의 성형재료로 사용되는 유체파이프용 폴리염화비닐 수지 조성물에 관한 것으로, 더 자세하게는 숯 분말을 첨가하여 항균성과 방취성 등을 향상시킨 것에 관한 것이다BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polyvinyl chloride resin composition for fluid pipes used as a molding material for water supply and sewage pipes, and more particularly, to improved charcoal powder to improve antibacterial and deodorant properties.

본 발명이 관계하는 폴리염화비닐((PVC; Poly Vinyl Chloride)은 염화비닐의 단독중합체 및 염화비닐을 50％ 이상 함유한 혼성중합체(混成重合體)를 일컫는 것이다.Polyvinyl chloride ((PVC; Polyvinyl Chloride)) to which the present invention relates refers to a homopolymer of vinyl chloride and a copolymer containing 50% or more of vinyl chloride.

폴리염화비닐은 결정성이 낮고, 가공시 접착이 어려운 특징이 있으며, 연질제품으로서 포장용·농업용 등의 시트나 필름에 사용되고, 경질 제품에서는 압출성형에 의한 수도관의 제조 등에 쓰이고 있다.Polyvinyl chloride has a low crystallinity, is difficult to adhere during processing, and is used as a soft product in sheets and films for packaging and agriculture, and in the production of water pipes by extrusion molding in hard products.

상기 폴리염화비닐 레진을 주원료로 하는 유체파이프용 폴리염화비닐 수지 조성물은 폴리염화비닐 레진 100중량％에 대한 일정비율의 안정제, 충전제, 가공조제, 안료, 그 밖의 첨가물로 조성된다.The polyvinyl chloride resin composition for a fluid pipe containing the polyvinyl chloride resin as a main raw material is composed of a stabilizer, a filler, a processing aid, a pigment, and other additives in a proportion to 100% by weight of the polyvinyl chloride resin.

그런데 종래의 유체파이프용 폴리염화비닐 수지 조성물은 항균성이 없어 유체파이프로 제작하여 사용하는 경우 유체파이프 내부에서 인체에 유해한 미생물, 세균 번식의 우려가 많게 되며, 유체에서 발생되는 냄새를 제거하지 못하게 됨은 물론 주로 납계의 안정제를 사용하게 되므로 독성이 있게 되어 유체를 오염시키게 되는 문제가 있다.However, the conventional polyvinyl chloride resin composition for fluid pipes does not have antimicrobial properties and when used as a fluid pipe, there is a high possibility of harmful microorganisms and bacteria propagation inside the fluid pipe, and it is impossible to remove odor generated from the fluid. Of course, mainly lead-based stabilizers are used, so there is a problem that becomes toxic to contaminate the fluid.

본 발명은 상기와 같은 종래의 실정을 감안하여 안출한 것이며, 그 목적이 높은 인장강도 및 내 충격성 등의 물리적 특성이 우수하고, 항균성 및 방취성이 뛰어난 무독성의 유체파이프용 폴리염화비닐 수지 조성물을 제공하려는데 있다.The present invention has been devised in view of the above-described conventional situation, and the object thereof is to provide a non-toxic polyvinyl chloride resin composition for fluid pipes having excellent physical properties such as high tensile strength and impact resistance, and excellent antibacterial and deodorizing properties. I'm trying to provide.

상기의 목적을 달성하기 위하여 본 발명의 유체파이프용 폴리염화비닐 수지 조성물은 폴리염화비닐 레진과 숯 분말, 틴계 안정제, 칼슘계 안정제, 가공조제, 나노크기의 경탄, 일반 경탄, 충격보강제로 조성된다.
즉, 본 발명의 유체파이프용 폴리염화비닐 수지 조성물은,In order to achieve the above object, the polyvinyl chloride resin composition for a fluid pipe of the present invention is composed of polyvinyl chloride resin and charcoal powder, tin stabilizer, calcium stabilizer, processing aid, nano-size hard coal, general hard coal, and impact modifier. .
That is, the polyvinyl chloride resin composition for fluid pipes of the present invention,

폴리염화비닐 레진 71.5~86.5중량％에 대하여, 대나무 숯 분말 4.3∼10.0중량％, 틴계 안정제는 0.3∼0.4 중량％, 칼슘-아연계 안정제 3.0∼4.3 중량％, 가공조제 0.8∼3.0 중량％, 나노크기의 경탄 0.8∼3.6 중량％, 일반 경탄 2.6∼3.6 중량％, 충격보강제 1.7∼3.6 중량％를 첨가하여 조성한 것이다.With respect to 71.5-8.5 weight% of polyvinyl chloride resin, 4.3-10.0 weight% of bamboo charcoal powder, 0.3-0.4 weight% of tin stabilizers, 3.0-4.3 weight% of calcium- zinc stabilizers, 0.8-3.0 weight% of processing aids, nano It is composed by adding 0.8 to 3.6% by weight of hard coal, 2.6 to 3.6% by weight of ordinary hard coal, and 1.7 to 3.6% by weight of impact modifier.

본 발명에 의하면 나노 크기를 가진 경탄을 함유함으로써 높은 인장강도 및 내 충격성 등의 물리적 특성을 발휘할 수 있게 되며, 숯 분말을 함유함으로써 항균성 및 방취성을 크게 향상시킬 수 있게 되어 유체파이프 내부에서의 세균 번식을 억제할 수 있게 되고, 냄새를 제거할 수 있게 되는 등의 효과를 얻을 수 있게 된다.According to the present invention, it is possible to exhibit physical properties such as high tensile strength and impact resistance by containing hard coal having a nano-size, and it is possible to greatly improve the antimicrobial and deodorizing properties by containing charcoal powder, thereby allowing bacteria in the fluid pipe. The breeding can be suppressed and the odor can be removed.

또한 본 발명에 의하면 납계 안정제를 전혀 사용하지 않고 핀계 안정제 및 칼슘계 안정제만을 사용함으로써 무독성의 폴리염화비닐 수지 조성물을 얻을 수 있게 된다.According to the present invention, a non-toxic polyvinyl chloride resin composition can be obtained by using only a pin stabilizer and a calcium stabilizer without using any lead stabilizer.

이하 본 발명의 구체적인 기술내용을 더욱 자세히 설명하면 다음과 같다.
본 발명의 유체파이프용 폴리염화비닐 수지 조성물은, Hereinafter, the technical details of the present invention will be described in more detail.
Polyvinyl chloride resin composition for fluid pipes of the present invention,

폴리염화비닐 레진 71.5~86.5중량％에 대하여, 대나무 숯 분말 4.3∼10.0중량％, 틴계 안정제는 0.3∼0.4 중량％, 칼슘-아연계 안정제 3.0∼4.3 중량％, 가공조제 0.8∼3.0 중량％, 나노크기의 경탄 0.8∼3.6 중량％, 일반 경탄 2.6∼3.6 중량％, 충격보강제 1.7∼3.6 중량％를 첨가하여 조성한 것이다.With respect to 71.5-8.5 weight% of polyvinyl chloride resin, 4.3-10.0 weight% of bamboo charcoal powder, 0.3-0.4 weight% of tin stabilizers, 3.0-4.3 weight% of calcium- zinc stabilizers, 0.8-3.0 weight% of processing aids, nano It is composed by adding 0.8 to 3.6% by weight of hard coal, 2.6 to 3.6% by weight of ordinary hard coal, and 1.7 to 3.6% by weight of impact modifier.

본 발명에 사용되는 폴리염화비닐 수지 조성물의 성분중에서 폴리염화비닐 레진은 중합도가 1000의 값을 가지는 현탁 또는 괴상 중합된 것을 사용할 수 있으며, 숯 분말은 특히 대나무 숯 분말을 사용할 수 있다.
그리고 틴(Tin)계 안정제 및 칼슘(Ca)계 안정제는 폴리염화비닐 수지 조성물에서 일반적으로 쓰이는 안정제이다.Among the components of the polyvinyl chloride resin composition used in the present invention, polyvinyl chloride resin may be a suspension or bulk polymerized polymer having a degree of polymerization of 1000, and the charcoal powder may particularly be a bamboo charcoal powder.
Tin stabilizers and calcium stabilizers are stabilizers generally used in polyvinyl chloride resin compositions.

특히, 상기 틴(Ti)계 안정제는 메틸 틴(Methyl Tin)계 안정제ㆍ부틸 틴(Butyl Tin)계 안정제 ㆍ옥틸 틴(Octyl Tin)계 안정제를 들 수 있고, 칼슘계 안정제로는 칼슘-아연(Ca-Zn)계 안정제를 들 수 있다.Particularly, the Ti stabilizer includes a methyl tin stabilizer, a butyl tin stabilizer, an octyl tin stabilizer, and the calcium stabilizer includes calcium-zinc ( Ca-Zn) type | system | group stabilizer is mentioned.

경질 폴리염화비닐 수지는 강직하고 내유성이 강한 반면 가공이 어려우므로 가공을 돕기 위해 가공조제를 사용하며, 본 발명의 폴리염화비닐 수지 조성물에서 가공조제는 특히 아크릴레이트계 단량체를 유화중합한 제품을 사용할 수 있다.Hard polyvinyl chloride resin is a rigid and strong oil resistance, but difficult to process, processing aids are used to assist the processing, the processing aid in the polyvinyl chloride resin composition of the present invention in particular emulsified and polymerized acrylate monomers Can be.

나노 크기를 가진 경탄의 물성은 일정 분산성이 보장되므로 폴리염화비닐 수지 조성물에 적용된다면 높은 충격강도와 인장강도를 가지게 되며, 본 발명에서 사용되는 나노크기의 경탄은 CaCO3 나노분말, NPCC, 나노크기로 침전된 탄산칼슘(Precipitated nano sized calcium carbonate)을 말한다.Properties of admired with the nanoscale is constant minutes the acid is guaranteed if applied to a polyvinyl chloride resin composition will have a high impact strength and tensile strength, admired nanosized used in the present invention is CaCO 3 nanopowders, NPCC, nano Refers to precipitated nano sized calcium carbonate.

본 발명의 폴리염화비닐 수지 조성물의 성분중에서 나노크기의 경탄은 평균 입자경 40nm의 크기의 것을 사용할 수 있으며, 일반경탄은 1micron 크기의 스테아린산으로 코팅된 제품을 사용할 수 있다.Among the components of the polyvinyl chloride resin composition of the present invention, the nano-size hard coal may be one having an average particle size of 40 nm, and the general hard coal may use a product coated with 1 micron stearic acid.

충격보강제는 본래 분열, 인장, 압축, 휨, 충격 강도를 증가시키기 위해 폴리염화비닐 레진에 첨가하는 섬유상 불용성 물질이며, 충격보강제의 첨가를 통해 치수 안정성과 열변형에 대한 저항력의 증진을 기대할 수 있다.Impact modifiers are inherently fibrous insoluble materials added to polyvinyl chloride resins to increase fracture, tensile, compression, warpage, and impact strength, and the addition of impact modifiers is expected to increase dimensional stability and resistance to thermal deformation. .

대부분의 폴리염화비닐(PVC)은 구조적으로 내충격성, 가공유동성, 내열변형 등이 취약했기 때문에 상업화를 위해서 첨가제 개발에 의한 물성 및 가공성 향상이 뒷받침되어야 한다.Since most polyvinyl chloride (PVC) is structurally weak in impact resistance, processing fluidity, and heat deformation, it should be supported for improvement of physical properties and processability by developing additives for commercialization.

폴리염화비닐 충격보강제는 일반적으로 경질 폴리염화비닐 레진에 첨가하여 내충격성 보강에 적용되며, 충격보강제는 성분에 따라 다음의 3가지로 분류된다.Polyvinyl chloride impact modifiers are generally applied to impact resistance reinforcement by adding them to hard polyvinyl chloride resins, and impact modifiers are classified into three types according to the components.

첫째, 폴리염화비닐(PVC) 충격보강제로 사용되고 있는 것은 그라프트 중합된 고분자 고무계로, 예를 들면 메타크리레이트 부타디엔 스틸렌(Methacrylate butadiene styrene ; MBS), 아크릴(Acrylic), 아크릴로니트릴 부타디엔 스틸렌 3량 체(Acrylonitrile butadiene styrene terpolymer; ABS) 등이 있다.First, polyvinyl chloride (PVC) impact modifiers are graft polymerized polymer rubbers, for example, methacrylate butadiene styrene (MBS), acrylic, acrylonitrile butadiene styrene Sieves (Acrylonitrile butadiene styrene terpolymer; ABS).

둘째, 가소화 고분자로 염소처리된 폴리에틸렌(Chlorinated Poly Ethylene; CPE), 에틸렌 비닐 아세테이트(Ethene vinyl acetate; EVA) 등이 있고, 이들은 1개 상의 폴리머형태를 가지고 있다.Second, there are chlorinated polyethylene (CPE) and ethylene vinyl acetate (EVA) as plasticizing polymers, and they have one phase of polymer form.

셋째, 무기계로 탄산칼슘에 스테아린으로 코팅한 무기 내충격개질제가 있다.Third, there is an inorganic impact modifier coated with stearin on calcium carbonate as an inorganic system.

상기 충격보강제 개발동향을 보면, 50년대초에는 ABS가 폴리염화비닐 충격보강제로 사용되었으나 50년대 후반에는 롬과 하스(Rohm ＆ Haas)에 의해 메타크리레이트 부타디엔 스틸렌(MBS) 계 충격보강제가 개발되어 대체되기 시작했으며, 60년대 들어 미국과 유럽 등지에서 PVC 용기(bottle)와 포장재 시장이 급격히 성장함에 따라 일본에서는 가네가푸치(Kanegafuchi)가 MBS, MABS 등의 충격보강제를 개발했다.According to the development trend of the impact modifier, ABS was used as a polyvinyl chloride impact modifier in the early 50s, but in the late 50s, methacrylate butadiene styrene (MBS) impact modifier was developed by Rohm & Haas. As the PVC bottle and packaging market grew rapidly in the US and Europe in the 1960s, Kanegafuchi developed impact modifiers such as MBS and MABS in Japan.

70년대에는 독일을 필두로 보온성이 우수한 창호시장이 형성되면서 Rohm ＆ Haask 내후성 및 내충격성이 우수한 아크릴계 충격보강제를, DOW가 HDPE공정을 변형한 CPE를 개발하기에 이르렀다.In the 70's, with the formation of a window market with excellent thermal insulation, led by Germany, DOW developed CPE, an acrylic impact modifier with excellent Rohm & Haask weather resistance and impact resistance.

MBS계는 PVC 충격보강제의 대표적 수지로 불투명용(고충격용), 투명용, 무백화 등으로 구분된다.MBS is a typical resin of PVC impact modifiers and is divided into opaque (high impact), transparent, and whitening.

메타크리레이트 부타디엔 스틸렌(Methacrylate butadiene styrene; MBS)은 디엔(Diene) 계 고무에 MMA 와 SM을 그래프트화시켜 얻어지는 공중합체로 경질과 반경질 PVC 제품에 사용돼 충격강도를 향상시키고 가공성을 촉진시키는 역할을 한다.Methacrylate butadiene styrene (MBS) is a copolymer obtained by grafting MMA and SM to diene rubber, which is used in hard and semi-rigid PVC products to improve impact strength and promote processability. Do it.

아크릴계는 BA, MMA, SM을 원료로 생산되며 MBS계는 SBR, MMA, SM을 이용해 생산하고 가공조제는 MMA를 이용하고 있다.Acrylic is produced from BA, MMA, SM, MBS is produced using SBR, MMA, SM and processing aids are using MMA.

본 발명의 폴리염화비닐 수지 조성물에서는 MBS계 충격보강제를 사용할 수 있다.In the polyvinyl chloride resin composition of the present invention, an MBS-based impact modifier can be used.

본 발명의 폴리염화비닐 수지 조성물에서는 상기의 구성성분이외에 착색제, 충진제, 대전방지제 등과 같은 부가적인 성분들을 목적하는 물성에 따라서 미량으로 사용할 수 있다.In the polyvinyl chloride resin composition of the present invention, in addition to the above components, additional components such as colorants, fillers, antistatic agents and the like may be used in trace amounts depending on the desired physical properties.

본 발명의 폴리염화비닐 수지 조성물은 내충격 하수도용 파이프나 물받이 부속용 파이프 등의 유체파이프 뿐만 아니라 그 밖의 각종 산업용 가정용 유체파이프를 제작하는 데에 사용될 수 있다.The polyvinyl chloride resin composition of the present invention can be used to produce not only fluid pipes such as impact sewer pipes and drip pipes, but also various other industrial household fluid pipes.

이상에서 설명한 본 발명은 전술한 설명에 의해 한정되는 것은 아니고, 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 여러 가지 치환, 변형 및 변경이 가능함은 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에게 있어 명백할 것이다.The present invention described above is not limited to the above description, and various substitutions, modifications, and changes are possible within the scope without departing from the technical spirit of the present invention. It will be obvious to you.

Claims (3)

폴리염화비닐 레진 71.5~86.5중량％에 대하여, 대나무 숯 분말 4.3∼10.0중량％, 틴계 안정제는 0.3∼0.4 중량％, 칼슘-아연계 안정제 3.0∼4.3 중량％, 가공조제 0.8∼3.0 중량％, 나노크기의 경탄 0.8∼3.6 중량％, 일반 경탄 2.6∼3.6 중량％, 충격보강제 1.7∼3.6 중량％로 조성한 것;을 특징으로 하는 유체파이프용 폴리염화비닐 수지 조성물.With respect to 71.5-8.5 weight% of polyvinyl chloride resin, 4.3-10.0 weight% of bamboo charcoal powder, 0.3-0.4 weight% of tin stabilizers, 3.0-4.3 weight% of calcium- zinc stabilizers, 0.8-3.0 weight% of processing aids, nano A composition comprising 0.8 to 3.6% by weight of hard coal, 2.6 to 3.6% by weight of ordinary hard coal, and 1.7 to 3.6% by weight of impact modifier; and polyvinyl chloride resin composition for a fluid pipe. 삭제delete 삭제delete
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CN102702651A (en) * 2012-06-29 2012-10-03 宁夏青龙塑料管材有限公司 Nanoscale toughened and strengthened PVC-M (polyvinyl chloride-M) tubular product
KR101691487B1 (en) * 2016-05-13 2016-12-30 주식회사 용전 Functional Composition for Pipe
KR20170032572A (en) 2015-09-15 2017-03-23 장동원 PVC Resin Composition Having High Hardness with Tensile Strength and Method of Producing the Same
CN106633534A (en) * 2016-12-30 2017-05-10 宁波有容新型铺地材料有限公司 Odor-free, transparent and antiskid PVC chair cushion and production method thereof
KR101801136B1 (en) * 2016-10-27 2017-12-21 (주)명성화학 This excellent endomorphism dichroism-resistant resin composition destroy the antimicrobial PVC pipe and PVC pipe produced therefrom
CN110698794A (en) * 2019-11-19 2020-01-17 福建工程学院 Environment-friendly PVC floor base material added with active bamboo charcoal and production process thereof

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JPH09208778A (en) * 1996-01-31 1997-08-12 Shin Etsu Polymer Co Ltd Impact-resistant rigid vinyl chloride resin pipe
KR200277327Y1 (en) * 2002-03-21 2002-06-03 안정오 Far infrared radiation pipe
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102702651A (en) * 2012-06-29 2012-10-03 宁夏青龙塑料管材有限公司 Nanoscale toughened and strengthened PVC-M (polyvinyl chloride-M) tubular product
KR20170032572A (en) 2015-09-15 2017-03-23 장동원 PVC Resin Composition Having High Hardness with Tensile Strength and Method of Producing the Same
KR101691487B1 (en) * 2016-05-13 2016-12-30 주식회사 용전 Functional Composition for Pipe
KR101801136B1 (en) * 2016-10-27 2017-12-21 (주)명성화학 This excellent endomorphism dichroism-resistant resin composition destroy the antimicrobial PVC pipe and PVC pipe produced therefrom
CN106633534A (en) * 2016-12-30 2017-05-10 宁波有容新型铺地材料有限公司 Odor-free, transparent and antiskid PVC chair cushion and production method thereof
CN110698794A (en) * 2019-11-19 2020-01-17 福建工程学院 Environment-friendly PVC floor base material added with active bamboo charcoal and production process thereof

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