KR950006263B1 - Lead masterbatch additives for polyvinyl choloride resin composition - Google Patents

Lead masterbatch additives for polyvinyl choloride resin composition Download PDF

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KR950006263B1
KR950006263B1 KR1019910014944A KR910014944A KR950006263B1 KR 950006263 B1 KR950006263 B1 KR 950006263B1 KR 1019910014944 A KR1019910014944 A KR 1019910014944A KR 910014944 A KR910014944 A KR 910014944A KR 950006263 B1 KR950006263 B1 KR 950006263B1
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weight
resin composition
master batch
lead
pvc
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KR930004382A (en
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강호철
남충우
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한화종합화학주식회사
박원배
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions 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
    • C08L27/02Compositions 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
    • C08L27/04Compositions 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
    • C08L27/06Homopolymers or copolymers of vinyl chloride

Abstract

The Pb based master batch additive for polyvinyl chloride resin composition with a spherical particle shape and the size of 150-200 micrometer consists of 8.5-15.5 wt% PVC, 1.0-3.0 wt% dioctyl phthalate, 10-15 wt% lead stearate as an internal activator, 20.5-45.5 wt% dibasic lead stearate and 3.5-7.7 wt% tribasic lead sulfate as a themal stabilizer and other additives including 2.5-5.0 wt% stearic acid, 3.0-7.7 wt% polyethylene oxide as an external activator and 18.0-27.0 wt% methyl metacrylate-alkyl acrylate copolymer as a processing aid.

Description

폴리염화비닐수지조성물용 Pb계 마스터뱃치첨가제Pb-based master batch additive for polyvinyl chloride resin composition

본 발명은 폴리염화비닐수지조성물용 Pb계 마스터뱃치첨가제에 관한 것이다. 더욱 상세하게는, 입자 유동성이 좋고, 분진문제가 없으며, 가공성도 향상시킬 수 있는 자동차부품에 유용한 폴리염화비닐수지 조성물용 Pb계 마스터뱃치첨가제에 관한 것이다.The present invention relates to a Pb-based master batch additive for polyvinyl chloride resin composition. More specifically, the present invention relates to a Pb-based master batch additive for polyvinyl chloride resin compositions useful for automobile parts, which has good particle flowability, no dust problem, and also improves workability.

일반적으로 폴리염화비닐(이하 PVC라 한다) 수지조성물은 PVC수지, 가소제, 충진제(Filler)등 다량으로 사용되는 원료 이외에도 열안정제, 내부화제, 외부활제, 가공조제등의 부원료를 필수적으로 소량씩 첨가하여 제조하며, 필요에 따라서는 안료, UV안정제, 난연제등이 부수적으로 첨가되기도 한다. 따라서, 한종류의 PVC수지 조성물을 제조하기 위해서는 각종 원, 부원료가 필요하다.Generally, polyvinyl chloride (hereinafter referred to as PVC) resin composition is required to add auxiliary ingredients such as heat stabilizer, internal agent, external lubricant, and processing aid in addition to raw materials used in large quantities such as PVC resins, plasticizers, and fillers. Pigments, UV stabilizers, flame retardants, etc. may be added as necessary. Therefore, in order to manufacture one kind of PVC resin composition, various raw and auxiliary raw materials are required.

한편, 마스터뱃치첨가제는 열안정제, 내, 외부활제, 가공조제등 5 내지 6개의첨가제를 혼합하여서 된 것으로서, 이를 사용하여 PVC 수지조성물을 제조할 경우에는 배합의 간편화, 작업조건의 개선, 계량오차의 축소등에 의해 품질안정을 도모할 수 있어 궁극적으로 수지제품의 생산선(가공성)향상을 기대할 수 있다.On the other hand, the master batch additive is a mixture of 5 to 6 additives, such as thermal stabilizer, internal, external lubricant, processing aid, etc., when using the PVC resin composition to simplify the formulation, improve the working conditions, weighing error As a result, quality stabilization can be achieved due to the reduction of quality, and ultimately, the production line (processability) of resin products can be improved.

종래의 PVC 수지조성물용 마스터뱃치로는, 납(Pb) 안정제계통의 마스터뱃치와 비뉼-아연(Ba-Zn)복합안정정제계통의 마스터뱃치가 잘 알려져 있다. 이러한 납 안정제계통의 마스터뱃치는 열안정제로서 삼염기성 황산납(Tribasic Lead Sulphate)와 이염기성 스테아린산납(Dibasic Lead Strearate), 내부활제로서 스테아린산납(Pb-St), 외부활제로서 산화폴리에틸렌(미국 Allied Signal사 제품의 상표명; AC-629A)과 스테아린산(H-St), 가공조제로서 메틸메타크릴레이트-알킬아크릴레이트 코폴리머(독일의 Rohm and Hass 사 제품의 상표명 ; K-125)등을 혼합하여 사용하였다. 또, 바륨-아연 복합안정제계통의 마스터뱃치는 열안정제로서 바륨-아연계 액상유기복합체(송원산업(주)제품의 상표명;BZ-1087)와, 바륨-아연계 고상유기 복합체(송원산업(주)제품의 상표명; EP-203S), 내부활제로서 스테아린산칼슘(Ca-St)과 스테아린산바륨(Ba-St), 외부활성제로서 산화폴리에틸렌(미국 Allied Signa사 제품의 상표명 ; AC-629A)와 스테아린산(H-St), 가공조제로서 메틸메타크릴레이트-알킬아크릴레이트 코폴리머(독일의 Rohm and Hass사 제품의 상표명; K-125)등을 혼합하여 사용하였다.Conventional master batches for PVC resin compositions are well known master batches of lead (Pb) stabilizer systems and master batches of binul-zinc (Ba-Zn) complex stabilizer systems. The masterbatch of this lead stabilizer system is tribasic lead sulfate and dibasic lead strarate as thermal stabilizer, lead stearate as internal lubricant (Pb-St) and polyethylene oxide as external lubricant (USA Allied). Signal name of Signal product; AC-629A), stearic acid (H-St), methyl methacrylate-alkyl acrylate copolymer (trade name of Rohm and Hass, Germany; K-125) Used. In addition, the master batch of the barium-zinc composite stabilizer system is a barium-zinc-based liquid organic complex (trade name of Songwon Industrial Co., Ltd .; BZ-1087) and a barium-zinc-based solid organic composite (Songwon Industrial Co., Ltd.) as a heat stabilizer. EP-203S), calcium stearate (Ca-St) and barium stearate (Ba-St) as internal lubricant, polyethylene oxide (trade name of Allied Signa, USA; AC-629A) and stearic acid ( H-St) and methyl methacrylate-alkyl acrylate copolymer (trade name of Rohm and Hass, Germany; K-125) were used as a processing aid.

그러나, 종래의 이러한 안정제계통의 마스터뱃치는 인체에 해로운 안정제 및 기타 첨가제등이 농축되는 관계로 제조시 분진 및 증기발생의 문제가 있었으며, 가공성에도 문제가 있어 생산성을 향상시키지 못하는 단점이 있었다.However, the conventional masterbatch of such a stabilizer system has a problem of dust and steam generation during manufacturing due to the concentration of stabilizers and other additives harmful to the human body, there is also a problem in the workability, there is a disadvantage that does not improve productivity.

종래의 이와 같은 문제를 해결하기 위하여 본 발명의 목적은 PVC 수지와 디옥틸프탈레이트를 바인더로 사용하여 PVC 입자를 디옥틸프탈레이트로 웨팅(Wetting)시켜 작은 입자의 첨가제를 바인딩시키고, 혼합기의 마찰열에 의한 온도상승으로 일부 첨가제로 코팅되므로 인해 분진발생이 크게 감소된 상태로 제조할 수 있는 PVC 수지조성물용 Pb계 마스터뱃치 첨가제를 제공하는데 있다.In order to solve the conventional problems, an object of the present invention is to wetting PVC particles with dioctylphthalate using PVC resin and dioctylphthalate as a binder to bind additives of small particles, and It is to provide a Pb-based master batch additive for the PVC resin composition that can be produced in a state that greatly reduced dust generation due to the coating with some additives due to the temperature rise.

또한, 본 발명의 다른 목적은 PVC 수지조성물의 물성을 우수하게 하고 가공성도 향상시킬 수 있는 Pb계 마스터뱃치 첨가제를 제공하는데 있다.In addition, another object of the present invention is to provide a Pb-based master batch additive that can improve the physical properties of the PVC resin composition and also improve the processability.

또한, 본 발명의 다른 목적은 실제 계량오차를 줄이고, 계량작업을 단순화하여 수지제품의 품질안정과 생산성향상을 도모할 수 있는 Pb계 마스터뱃치첨가제를 제공하는데 있다.In addition, another object of the present invention is to provide a Pb-based master batch additive that can reduce the actual weighing error, simplify the weighing operation to improve the stability and productivity of the resin product.

이하, 본 발명을 상세히 설명한다.Hereinafter, the present invention will be described in detail.

본 발명의 PVC 수지조성물용 Pb계 마스터뱃치첨가제는, PVC 수지 8.5 내지 15.5중량%, 디옥틸프탈레이트 1.0 내지 3.0중량%, 스테아린산납 20.5 내지 45.5중량%를 주성분으로 하고 여기에 통상의 기타 첨가제가 포함된 것으로 이루어져 있다.Pb-based masterbatch additive for the PVC resin composition of the present invention, the main component is 8.5 to 15.5% by weight of PVC resin, 1.0 to 3.0% by weight of dioctylphthalate, 20.5 to 45.5% by weight of lead stearate, and other conventional additives are included therein. It consists of

이와같은 본 발명을 다음에서 더욱 상세히 설명한다.This invention is described in more detail below.

본 발명의 Pb계 마스터뱃치는 PVC 수지와 가소제를 주성분으로 하고 여기서 스테아린산납과 통상의 기타 첨가제가 포함된 것으로 구성되어 있다.The Pb-based masterbatch of the present invention is composed of a PVC resin and a plasticizer as a main component, wherein lead stearate and other conventional additives are included.

여기서, 중합도가 800, 1000, 1300, 2500인 PVC 수지를 사용할 수 있으며, 바람직하기로는 바인더성분으로서 중합도가 1000인 PVC 수지가 좋다. 그리고, 사용량은 8.5 내지 15.0중량%가 좋다.Herein, PVC resins having a degree of polymerization of 800, 1000, 1300, or 2500 may be used. Preferably, a PVC resin having a degree of polymerization of 1000 is preferable as the binder component. And the usage-amount is 8.5 to 15.0 weight%.

본 발명에 따른 Pb계 마스터뱃치첨가제의 한 주성분으로서 상기의 PVC 수지와 함께 바인더역활을 하는 가소제로는 디옥틸프탈레이트, 디-이소노닐프탈레이트, 디-2-에틸헥실 아디페이트, 디-운데실프탈레이트 및 에폭시콩기름등이 사용될 수 있으나, 그 중에서도 디옥틸프탈레이트가 가장 바람직하며, 그 사용량은 1.0 내지 3.0중량%가 좋다.As a main component of the Pb-based master batch additive according to the present invention, a plasticizer which serves as a binder together with the PVC resin is dioctyl phthalate, di-isononyl phthalate, di-2-ethylhexyl adipate, di-undecyl phthalate. Epoxy soybean oil and the like may be used, among them dioctylphthalate is most preferred, the amount is preferably 1.0 to 3.0% by weight.

한편, 본 발명에서 사용하는 스테아린산납은 내부활제로서 그 사용량은 10 내지 15중량%가 좋다. 그리고 통상의 기타 첨가제로서는 열안정제, 외부활성제 및 가공조제등이 있는데, 이때, 열안정제로서는 삼염기성 황산납과 이염기성 스테아린산납을 20.5 내지 45.5중량%와 3.5 내지 7.5중량%의 양으로 포함할 수 있다.On the other hand, the lead stearate used in the present invention is preferably used as an internal lubricant 10 to 15% by weight. Other common additives include a heat stabilizer, an external active agent, and a processing aid, wherein the heat stabilizer may include lead tribasic sulfate and dibasic lead stearate in amounts of 20.5 to 45.5% by weight and 3.5 to 7.5% by weight. have.

한편, 외부활제로서는 스테아린산(Ht-St)과 산화폴리에틸렌을 사용할 수 있으며, 그 사용량은 각각 2.5내지 5.0중량%와 3.0 내지 7.7중량%가 바람직하고, 가공조제로서는 메틸메타크릴레이트-알킬아크릴레이트 코폴리머를 18.0 내지 27.0중량% 사용할 수 있다.On the other hand, stearic acid (Ht-St) and polyethylene oxide may be used as the external lubricant, and the amount thereof is preferably 2.5 to 5.0% by weight and 3.0 to 7.7% by weight, respectively, and as a processing aid, methyl methacrylate-alkyl acrylate co The polymer can be used 18.0 to 27.0% by weight.

이와같은 구성된 본 발명에 따른 Pb계 마스터뱃치첨가제의 제조과정은 헨첼혼합기(Henschel Mixer)를 이용할 수 있으며, 먼저 혼합기를 고열로 한 후에 이 혼합기에 바인더로서 PVC 수지와 디옥틸프탈레이트를 투입하고 5 내지 10분동안 저속으로 교반시킨 후에 다시 고속으로 교반시킨다. 교반도중에 일시중지하고 내벽에 부착된 것을 긁어내어도 된다. 그 다음에, 여기에 내부활제와 기타 첨가제로서 열안정제와 외부활제 그리고 가공조제등을 혼합한 혼합물을 투입하여 역시 고속으로 5 내지 10분간 교반하고, 암페어가 8.5에서 9로 상승하게 되면 70℃ 내지 75℃의 온도에서 혼합기의 운전을 중단시켜서 배합물을 배출시킨다. 상기에서 얻어진 배합물을 냉각혼합기에 다시 투입하여 40℃의 온도까지 충분히 냉각시키면, 옅은 황색의 150㎛ 내지 200㎛의 크기의 구형입자로 된 마스터뱃치파우더가 얻어진다.The manufacturing process of the Pb-based master batch additive according to the present invention configured as described above can be used a Henschel Mixer (Henschel Mixer), and after the mixer is heated to high temperature, the PVC resin and dioctyl phthalate as a binder in the mixer and 5 to Stir at low speed for 10 minutes and then again at high speed. It may be paused during stirring and scraping off the inner wall. Next, a mixture of a heat stabilizer, an external lubricant, and a processing aid as an internal lubricant and other additives was added thereto, followed by stirring at a high speed for 5 to 10 minutes, and when the ampere rose from 8.5 to 9, 70 to The blend is discharged by shutting down the mixer at a temperature of 75 ° C. When the above-obtained blend is put back into the cooling mixer and cooled sufficiently to a temperature of 40 ° C., a master batch powder of spherical particles having a size of 150 μm to 200 μm of pale yellow color is obtained.

상기의 과정에서는 바인더로서 PVC 수지와 디옥틸프탈레이트를 사용하여 PVC 수지입자를 디옥틸프탈레이트로 웨팅시켜 작은 입자의 첨가제들을 바인딩시키고, 혼합기의 마찰열에 의한 온도상승으로 일부 첨가제가 코팅되므로 분진발생의 정도를 약80% 이상 감소시킬 수 있게 된다.In the above process, PVC resin and dioctyl phthalate are used as binders to wet the PVC resin particles with dioctyl phthalate to bind the additives of small particles, and some additives are coated by the temperature rise due to frictional heat of the mixer. It can be reduced by about 80% or more.

본 발명에 따른 마스터뱃치 파우더의 입자상태는 혼합기의 배출온도 조건에 크게 좌우되는데, 고열혼합기 압력이 정지된 상태에서 상승하기 시작하는 겔링포인트(Gelling Poing)의 온도에서 배출시키는 것이 중요하다. 상기 배출온도 이하의 온도에서 배출할 때에는 단순한 분말상태가 되며, 온도가 과도하게 높을 경우에는 겔링정도가 심한 덩어리가 형성된다.The particle state of the master batch powder according to the present invention largely depends on the discharge temperature condition of the mixer, it is important to discharge at the temperature of the gelling point (Gelling Poing) that starts to rise in a state where the high temperature mixer pressure is stopped. When discharged at a temperature below the discharge temperature, it becomes a simple powder state, and when the temperature is excessively high, a large amount of gelling is formed.

다른 한편으로 상기 공정에서 활제로서 사용되는 산화폴리에틸렌이 혼합기 내벽에 코팅되는 경향이 있는데, 연속작업시 마스트파우더의 산화폴리에틸렌의 함량에 영향을 미칠 수 있으므로 산화폴리에틸렌은 별도로 냉각혼합기에서 분산시키거나 냉각혼합로 배합물을 이송시키기 전에 고열혼합기에서 1분 내지 2분간 교반시키는 것도 바람직 할 수 있다.On the other hand, the polyethylene oxide used as a lubricant in the process tends to be coated on the inner wall of the mixer, which may affect the content of the polyethylene oxide in the mast powder during continuous operation. It may also be desirable to stir for 1 to 2 minutes in a high temperature mixer prior to transferring the blending furnace.

본 발명에 따라 제조된 마스터뱃치는 상기와 같이 바인더를 사용하고, 혼합기의 마찰열을 이용하여 적정한 온도에서 형성된 마스터파우더 형태로서, 입자의 구조면에서 살펴보면, 입자의 유동성을 고려할 때, 가능한 한 크고 균일한 구형의 입자구조를 갖는 것이 유리하다.The masterbatch manufactured according to the present invention uses a binder as described above, and is formed in the form of a master powder at an appropriate temperature using frictional heat of the mixer. In view of the structure of the particles, the masterbatch is as large and uniform as possible when considering the fluidity of the particles. It is advantageous to have one spherical particle structure.

그러나, 대부분의 첨가제 입자직경은 1㎛ 내지 50㎛정도이고, 플레이크(Flake)상태의 외부활제인 스테아린산의 입자직경은 수 ㎛정도이다. 따라서, 균일한 입자직경을 갖게하기 위해서 본 발명에서는 PVC 입자를 도입하고, 하나의 PVC 입자에 용융점이 비교적 낮은(60℃ 이하) 스테아린산을 코팅시키고, 다른 첨가제를 바인딩시킨 것이다. 이에따라 본 발명에 의해 얻어진 마스터파우더는 PVC 입자에 코팅된 부분과 바인딩되어 있는 첨가제들이 구형입자의 형태를 이루게 된다. 이때, 건조한 상태의 분말들이 혼합되는 관계로 분진발생이 심하므로 디옥틸프탈레이트를 소량사용한 것이며, 바인딩상태가 양호하여 분진발생의 문제가 없게된다.However, most of the additive particle diameter is about 1 to 50 μm, and the particle diameter of stearic acid, which is an external lubricant in a flake state, is about several μm. Therefore, in order to have a uniform particle diameter, in the present invention, PVC particles are introduced, one of the PVC particles is coated with stearic acid having a relatively low melting point (60 ° C. or less), and another additive is bound. Accordingly, in the master powder obtained by the present invention, additives bound to portions coated on PVC particles form spherical particles. At this time, since the dust generation is severe because the dry powder is mixed, a small amount of dioctyl phthalate is used, the binding state is good, there is no problem of dust generation.

한편, 입자의 분포면에서 살펴보면, 입자분포는 그 범위가 좁을 수록 유리하고, 평균입경이 클수록 유리하다. 따라서, 본 발명의 마스터뱃치파우더의 경우 PVC의 평균입경인 150㎛보다 크면서 대체적으로 150㎛ 내지 200㎛의 범위에 속한다.On the other hand, when looking at the particle distribution, the particle distribution is advantageous the narrower the range, the larger the average particle diameter is advantageous. Therefore, the master batch powder of the present invention is larger than the average particle diameter of 150㎛ PVC generally falls in the range of 150㎛ to 200㎛.

본 발명에 따라 얻어진 마스터뱃치첨가제는 제조시 분진발생이 크게 감소되어 제조될 수 있으며, PVC 수지조성물의 물성을 우수하게 하고 가공성도 향상시킬 수 있을 뿐 아니라, 실제 계량오차를 줄이고, 계량작업을 단순화하여 수지제품의 품질안정과 생산성향상을 도모할 수 있다.The master batch additive obtained according to the present invention can be produced with a significant reduction in dust generation during manufacture, can not only improve the properties of the PVC resin composition and improve the processability, but also reduce the actual weighing error, simplify the weighing operation Therefore, quality stability and productivity improvement of resin products can be achieved.

이하 본 발명을 실시예에 의거 더욱 상세히 설명하며, 본 발명은 다음의 실시이 국한되는 것은 아니다.Hereinafter, the present invention will be described in more detail with reference to Examples, and the present invention is not limited to the following embodiments.

[실시예 1]Example 1

200ℓ의 고열의 슈퍼혼합기에 중합도가 1000인 폴리염화비닐 5.82㎏과 디옥틸프탈레이트 11.17㎏을 투입하고 10분동안 저속으로 교반시킨 후에, 다시 고속으로 교반시킨 다음, 여기에다 삼염기성 황산납 17.44㎏, 이염기성 스테아린산납 2.9㎏, 스테아린산납(Pb(C17H35COO)2) 6.98㎏, 스테아린산(C17H35COOH) 1.75㎏, 메틸메타크릴레이트-알킬아크릴레이트 코폴리며 11.68㎏을 동시에 투입하고 다시 고속으로 10분간 교반하여 암페어가 8.5에서 9로 상승하면 75℃의 온도에서 배합물을 배출시킨다. 상기에서 얻어진 배합물을 냉각혼합기에 활제인 산화폴리에틸렌 2.91㎏과 함게 투입하여 40℃의 온도까지 냉각시킨 후, 배출시켜서 옅은 황색의 150㎛ 내지 200㎛의 평균크기를 갖는 구형입자로된 마스터뱃치파우더를 얻었다.5.82 kg of polyvinyl chloride having a degree of polymerization of 1000 and 11.17 kg of dioctylphthalate were added to a 200 liter high-temperature supermixer, and the mixture was stirred at low speed for 10 minutes, and then stirred at a high speed again, followed by 17.44 kg of tribasic lead sulfate. 2.9 kg of conventional lead stearate, 6.98 kg of lead stearate (Pb (C 17 H 35 COO) 2 ), 1.75 kg of stearic acid (C 17 H 35 COOH), methyl methacrylate-alkyl acrylate copoly and 11.68 kg Stir again at high speed for 10 minutes and when the ampere rises from 8.5 to 9, the formulation is discharged at a temperature of 75 ° C. The above-obtained blend was added to a cooling mixer with 2.91 kg of lubricated polyethylene oxide, cooled to a temperature of 40 ° C., and then discharged to obtain a master batch powder of spherical particles having a pale yellow color of 150 μm to 200 μm. Got it.

상기에서 얻어진 마스터뱃치파우더를 중합도가 1300인 폴리염화비닐 100중량부에 대해, 10.9중량부를 첨가혼합하고 이어서 디이소노닐프탈레이트 20중량부, 디-2 에틸헥실아디페이트 32중량부, 자외선(UV) 안정제로서 벤조페논(미국 시아나미드사 제품의 상표명; UV-531) 0.5 중량부, 난연제인 Sb2O33.0중량부의 혼합물에 첨가하고 싱글 스크류 압출기(일본의 아케카이(주) 제품의 상표명; RC-90)인 펠릿타이저(Pelletizer)로 펠릿형상의 PVC 수지콤파운드를 얻었다.The master batch powder obtained above was mixed with 10.9 parts by weight based on 100 parts by weight of polyvinyl chloride having a degree of polymerization of 1300, followed by 20 parts by weight of diisononylphthalate, 32 parts by weight of di-2 ethylhexyl adipate, and ultraviolet (UV) light. As a stabilizer, 0.5 parts by weight of benzophenone (trade name of Cyanamide Co., Ltd .; UV-531) and 3.0 parts by weight of Sb 2 O 3 , which is a flame retardant, were added to a single screw extruder (trade name of Akekai Co., Ltd., Japan; RC -90) to obtain a pellet-shaped PVC resin compound with a pelletizer (Pelletizer).

상기와 같이 얻어진 콤파운드를 믹싱률(160℃×5분)로 2mm의 압축시편을 제작(170℃×10분)하여 인장강도, 신장율, 100% 모듈러스 및 비중등과 같은 물성을 측정하였다. 그 결과를 다음 표 1에 나타내었다.The compound obtained as described above was manufactured (170 ° C. × 10 minutes) of a compression specimen of 2 mm at a mixing ratio (160 ° C. × 5 minutes) to measure physical properties such as tensile strength, elongation rate, 100% modulus, and specific gravity. The results are shown in Table 1 below.

또, 상기와 같이 얻어진 콤파운드에 대해 다음과 같은 조건으로 브라벤더(Brabender)가공시험을 실시하였다. 그 결과가 다음 표 2와 표 3에 나타내었다.The compound obtained as described above was subjected to a Brabender processing test under the following conditions. The results are shown in Tables 2 and 3 below.

○ 온도 : 140℃, 150℃○ Temperature: 140 ℃, 150 ℃

○ 혼합 rpm : 30○ Mixing rpm: 30

○ 부하량 : 50g○ Load: 50g

○ 토크최대크기 : 400㎏°cm○ Maximum torque size: 400㎏ ° cm

○ 혼합시간 : 7분○ Mixing time: 7 minutes

[실시예 2]Example 2

상기 실시예 1에서 콤파운드제조시 중합도 1300인 폴리염화비닐 대신 중합도 1000인 폴리염화비닐을 사용하고, 디이소노닐프탈레이트를 25중량부, 디-2-에틸헥실아디페이트를 23중량부를 첨가하며, 자외선안정제와 난연제를 사용하지 않는 것을 제외하고는 실시에 1과 동일한 성분 및 방식으로 실시하여 펠릿형상의 콤파운드를 얻었다.In Example 1, instead of polyvinyl chloride having a degree of polymerization of 1300, polyvinyl chloride having a degree of polymerization of 1000 was used, 25 parts by weight of diisononylphthalate and 23 parts by weight of di-2-ethylhexyl adipate were added thereto, followed by ultraviolet ray. Except not using a stabilizer and a flame retardant, it carried out by the same component and method as Example 1, and obtained the pellet-shaped compound.

상기와 같이 얻어진 콤파운드에 대한 물성 및 브라벤더가공시험도 상기 실시예 1과 동일하게 실시하여 그 결과를 다음 표 1 내지 표 3에 각각 나타내었다.The physical properties and the brabender processing test for the compound obtained as described above were also performed in the same manner as in Example 1, and the results are shown in Tables 1 to 3, respectively.

[비교실시예 1]Comparative Example 1

상기 실시예 1에서 마스터뱃치를 사용하는 대신 삼염기성 황산납 3.0중량부, 이염기성 스테아린산납 0.5중량부, 스테아린산납 1.2중량부, 산화폴리에틸렌 0.4중량부, 스테아린산 0.3중량부, 메틸메타크릴레이트-알킬아크릴레이트 코폴리며 2.0중량부를 사용하는 것이외에는 상기 실시예 1과 동일한 성분 및 방식으로 실시하여 펠릿형상의 콤파운드를 얻었다.Instead of using the master batch in Example 1 3.0 parts by weight of tribasic lead sulfate, 0.5 parts by weight of lead dibasic stearate, 1.2 parts by weight of lead stearate, 0.4 parts by weight of polyethylene oxide, 0.3 parts by weight of stearic acid, methyl methacrylate-alkyl Except using 2.0 weight part of acrylate copolyols, it carried out by the same component and method as Example 1, and obtained the pellet-shaped compound.

상기와 같이 얻어진 콤파운드에 대한 물성 및 브라벤더가공시험도 상기 실시예 1과 동일하게 실시하여 그 결과를 다음 표 1 내지 표 3에 각각 나타내었다.The physical properties and the brabender processing test for the compound obtained as described above were also performed in the same manner as in Example 1, and the results are shown in Tables 1 to 3, respectively.

[비교실시예 2]Comparative Example 2

상기 실시예 2에서 마스터뱃치를 사용하는 대신 삼염기성 황산납 3.0중량부, 이염기성 스테아린산납 0.5중량부, 스테아린산 0.8중량부, 산화폴리에틸렌 0.3중량부, 스테아린산 0.3중량부, 메틸메타크릴레이트-알킬아크릴레이트 코폴리머 2.0중량부를 사용하는 것이외에는 실시예 2와 동일한 성분 및 방식으로 실시하여 펠릿형상의 콤파운드를 얻었다.Instead of using the master batch in Example 2 3.0 parts by weight of tribasic lead sulfate, 0.5 parts by weight of lead dibasic stearate, 0.8 parts by weight of stearic acid, 0.3 parts by weight of polyethylene oxide, 0.3 parts by weight of stearic acid, methyl methacrylate-alkylacrylic Except using 2.0 weight part of late copolymers, it carried out by the same component and method as Example 2, and obtained the pellet-shaped compound.

상기와 같이 얻어진 콤파운드에 대한 물성 및 브라벤더가공시험도 상기 실시예 1과 동일하게 실시하여 그 결과를 다음 표 1 내지 표 3에 나타내었다.The physical properties and the brabender processing test for the compound obtained as described above were also performed in the same manner as in Example 1, and the results are shown in Tables 1 to 3 below.

[표 1]TABLE 1

[표 2]TABLE 2

(140℃의 조건)(Condition of 140 degrees Celsius)

[표 3]TABLE 3

(150℃의 조건)(Condition of 150 degrees Celsius)

Claims (1)

PVC 수지조성물용 마스터뱃치첨가제에 있어서, PVC 수지 8.5 내지 15.5중량%, 디옥틸프탈레이트 1.0 내지 3.0중량% 및 스테아린산납 20.5 내지 45.5중량%를 주성분으로 하고 여기에 통상의 기타 첨가제를 포함해서 것을 특징으로 하는 폴리염화비닐수지조성물용 Pb계 마스터뱃치첨가제.A master batch additive for PVC resin compositions, comprising from 8.5 to 15.5% by weight of PVC resin, 1.0 to 3.0% by weight of dioctylphthalate, and 20.5 to 45.5% by weight of lead stearate, and includes other conventional additives. Pb-based master batch additive for polyvinyl chloride resin composition.
KR1019910014944A 1991-08-28 1991-08-28 Lead masterbatch additives for polyvinyl choloride resin composition KR950006263B1 (en)

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