KR930008113B1 - Composition of carbon master batch for a thermoplastic resin - Google Patents

Composition of carbon master batch for a thermoplastic resin Download PDF

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Publication number
KR930008113B1
KR930008113B1 KR1019900006306A KR900006306A KR930008113B1 KR 930008113 B1 KR930008113 B1 KR 930008113B1 KR 1019900006306 A KR1019900006306 A KR 1019900006306A KR 900006306 A KR900006306 A KR 900006306A KR 930008113 B1 KR930008113 B1 KR 930008113B1
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carbon black
master batch
composition
black master
thermoplastic resin
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KR910020078A (en
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김대식
강창균
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제일모직 주식회사
이대원
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    • 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
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2310/00—Masterbatches

Abstract

The carbon black master batch compsn. is composed of a powder or granule-type carbon black, a linear low density polyethylene (LLDPE) as a binder, a silane coupling agent, a polyethylene wax, a Zn-st and a Mg-st. The viscosity of the LLDPE is pref. 15-25. The carbon black master batch is applicable to a thermoplastic resin, i.e. acrylo-butadiene styrene (ABS), polystyrene (PS), polyethylene (PE) or polypropylene (PP), and has a good dispersibility.

Description

[발명의 명칭][Name of invention]

열가소성 수지용 카본 블랙 마스터 배치 조성물Carbon Black Masterbatch Composition for Thermoplastics

[발명의 상세한 설명]Detailed description of the invention

본 발명은 여러 종류의 열가소성 수지에 적용할 수 있는 카본 블랙 마스터 배치(carbon black master batch)에 관한 것이다. 더욱 상세하게로는 종래의 카본 블랙 마스터 배치보다 분산성이 우수하며, 여러 종류의 열가소성 수지에 적용할 수 있는 카본 블랙 마스터 배치의 조성에 관한 것이다.The present invention relates to a carbon black master batch applicable to various kinds of thermoplastic resins. More specifically, the present invention relates to a composition of a carbon black master batch which is superior in dispersibility to conventional carbon black master batches and can be applied to various kinds of thermoplastic resins.

종래의 카본 블랙 마스터 배치는 ABS, PS, PP, PE 등 각종 열가소성 수지에 사용될 때마다 그 수지 종류에 따라 달리 사용되어져야 하며, 분산성이 떨어져 색상이 균일하지 못하는 등의 문제점이 있었다.Conventional carbon black master batch has to be used differently depending on the type of resin every time it is used in various thermoplastic resins, such as ABS, PS, PP, PE, there is a problem that the color is not uniform because of the dispersibility.

전기, 전자기기의 하우징(housing) 재료로 사용되는 고분자 물질들은 가볍고, 저렴하며, 생산성이 우수하다는 장점 이외에도 수지 자체에 색상을 낼 수 있다는 장점이 있다. 수지에 색상을 부여하기 위하여는 각종 피그먼트(pigment)들이 사용되고 있으나, 검은 색상을 내기 위하여는 통상 카본 블랙이 피그먼트로 사용된다.Polymer materials used as housing materials for electrical and electronic devices have the advantage of being able to color the resin itself in addition to the advantages of being light, inexpensive, and productive. Various pigments are used to give a color to the resin, but carbon black is usually used as a pigment to give a black color.

카본 블랙은 입도가 미세하기 때문에 작업시 입자들이 공기중에 분산되어 작업장의 환경을 오염시키는 문제점이 있으므로 이에 대한 대책으로 카본 블랙을 마스터 배치 형태로 제작하여 사용하고 있으나, 이 경우에는 분산성이 떨어지는 문제점이 발생한다.Since carbon black has a small particle size, particles are dispersed in the air during work, which contaminates the environment of the workplace. As a countermeasure, carbon black is produced in the form of a master batch, but in this case, dispersibility is poor. This happens.

본 발명은 이러한 제반 문제점들을 해결하기 위한 것으로, ABS, PS, PP, PE 등 다양한 종류의 열가소성 수지에도 적용이 가능하고, 분산성이 우수한 카본 블랙 마스터 배치를 제공하는데에 그 목적이 있다.The present invention is to solve these problems, it is applicable to a variety of thermoplastic resins, such as ABS, PS, PP, PE, and to provide a carbon black master batch excellent in dispersibility.

종래의 카본 블랙 마스터 배치는 고분자 물질과의 분산성을 높이기 위하여 접합체(binder)로 사용되는 수지가 고분자 물질과 동일한 계통의 수지(예컨대, ABS 수지용은 ABS계 수지, PS 수지용은 PS계 수지)에 한정되었으나, 본 발명에서는 상용성이 뛰어난 저분자량 LLDPE(MI ; 15-25)와 적절한 분산제를 사용함으로써 분산성을 높힐 뿐만 아니라, 다양한 종류의 열가소성 수지에 적용이 가능하도록 하였다.In the conventional carbon black master batch, resins used as binders to improve dispersibility with a polymer material are resins of the same type as the polymer material (for example, ABS resin is used for PS resin and PS resin is used for PS resin). However, in the present invention, by using a low molecular weight LLDPE (MI; 15-25) having excellent compatibility and an appropriate dispersant, not only the dispersibility is improved, but also various kinds of thermoplastic resins can be applied.

본 발명을 실시예에 의거하여 더욱 상세히 설명한다.The present invention will be described in more detail based on examples.

[제조실시예]Production Example

본 발명의 카본 블랙 마스터 배치의 조성은 다음과 같다.The composition of the carbon black master batch of the present invention is as follows.

Figure kpo00001
Figure kpo00001

상기의 조성대로 밤버리 믹서(bambury mixer)에 100℃에서 15분간 혼련한 후 압출기를 사용하여 펠렛(pellet)상으로 제조한다.After mixing for 15 minutes at 100 ℃ in a bambury mixer according to the above composition is prepared into a pellet (pellet) using an extruder.

이때 사용된 카본 블랙은 파우다 또는 그래뉼 타입(granule type)이며, 결합제(coupling agent)는 실란(silane)계이다. 상기 표의 %는 중량%를 나타낸다(이하 모두 같다).In this case, the carbon black used is powder or granule type, and a coupling agent is silane-based. % Of the said table | surface shows weight% (it is the same for all below).

비교예로 선택한 종래의 기술에 의한 카본 블랙 마스터 배치의 조성은 다음과 같다.The composition of the carbon black master batch by the conventional technique selected as the comparative example is as follows.

Figure kpo00002
Figure kpo00002

상기와 같이 제조된 카본 블랙 마스터 배치의 분산성 측정을 위하여 다음과 같이 실시하였다.In order to measure the dispersibility of the carbon black master batch prepared as described above was carried out as follows.

[실시예 1]Example 1

HIPS 100중량부에 제조실시예 1, 2, 3과 비교예 1, 2에 의한 카본 블랙 마스터 배치를 1중량부를 넣고 건식 혼련하여 사출한 후 분산성을 비교하기 위하여 인장시험시편을 10% 신장시켜 육안으로 관찰하였다.1 part by weight of carbon black master batches prepared in Examples 1, 2, and 3 and Comparative Examples 1 and 2 were injected into dry parts by HIPS, and then stretched by 10% in tensile test specimens to compare dispersibility. Observed visually.

시편을 신장하기 전에는 비교예 2에 의한 경우 외에는 모두 양호한 분산성을 나타내었고, 신장 후에는 제조실시예 1, 2, 3에 의한 경우는 양호한 분산성을 나타내었으나, 비교예 1에 의한 경우는 착색부분이 분리되어 나타났다.Before stretching the specimen, all of them exhibited good dispersibility except for Comparative Example 2, and after stretching, the dispersing compositions of Preparation Examples 1, 2, and 3 showed good dispersibility. The part appeared separate.

[실시예 2]Example 2

ABS 수지 100중량부에 제조실시예 1, 2, 3과 비교예 1, 2에 의한 카본 블랙 마스터 배치를 1중량부를 넣고 건식 혼련하여 사출한 후 실시예 1과 동일한 방법으로 측정한 결과 시편을 신장하기 전에는 비교예 1에 의한 경우 외에는 모두 양호한 분산성을 나타내었고, 신장 후에는 제조실시예 1, 2, 3에 의한 경우는 양호한 분산성을 나타내었으나, 비교예 2에 의한 경우는 착색부분이 분리되어 나타났다.1 part by weight of carbon black master batches prepared according to Production Examples 1, 2, and 3 and Comparative Examples 1 and 2 were subjected to dry kneading, followed by injection molding. Before, all showed good dispersibility except for Comparative Example 1, and after elongation showed good dispersibility for Preparation Examples 1, 2, and 3, but in Comparative Example 2, the colored part was separated. Appeared.

[실시예 3]Example 3

PE 수지 100중량부에 제조실시예 1, 2, 3과 비교예 1, 2에 의한 카본 블랙 마스터 배치를 1중량부를 넣고 건식 혼련하여 사출한 후 실시예 1과 동일한 방법으로 측정한 결과 제조실시예 1, 2, 3에 의한 경우는 신장 후에도 양호한 분산성을 나타내었으나, 비교예 1에 의한 경우는 착색부분이 분리되어 나타났다.As a result of measuring by the same method as in Example 1 after injection by dry kneading the carbon black master batch according to Preparation Examples 1, 2, 3 and Comparative Examples 1, 2 to 100 parts by weight of PE resin In the case of 1, 2, 3, the dispersibility was good even after stretching, but in the case of Comparative Example 1, the colored part was separated.

[실시예 4]Example 4

PP 수지 100중량부에 제조실시예 1, 2, 3과 비교예 1, 2에 의한 카본 블랙 마스터 배치를 1중량부를 넣고 건식 혼련하여 사출한 후 실시예 1과 동일한 방법으로 측정한 결과 제조실시예 1, 2, 3에 의한 경우는 신장 후에도 양호한 분산성을 나타내었으나, 비교예 1, 2에 의한 경우는 신장 전부터 착색부분이 분리되어 나타났다.The carbon black master batches according to Production Examples 1, 2, and 3 and Comparative Examples 1 and 2 were added to 100 parts by weight of PP resin, followed by dry kneading and injection, followed by measurement in the same manner as in Example 1 In the case of 1, 2, or 3, good dispersibility was shown even after stretching, whereas in Comparative Examples 1 and 2, the colored portion was separated before stretching.

[실시예 5]Example 5

본 발명에 사용되는 LLDRE의 적절한 멜트 인덱스(MI)를 확인하기 위하여 제조실시예 1의 LLDPE의 멜트 인덱스를 각각 10, 15, 20, 25, 30으로 하여 상기 실시예들과 동일한 방법으로 분산성을 측정한 결과는 아래와 같다.In order to confirm the proper melt index (MI) of the LLDRE used in the present invention, the melt index of the LLDPE of Preparation Example 1 was set to 10, 15, 20, 25, and 30, respectively. The measured result is as follows.

Figure kpo00003
Figure kpo00003

이상의 실시예에서 알 수 있는 바와 같이 본 발명에 의한 카본 블랙 마스터 배치는 수지의 종류에 관계없이 사용될 수 있을 뿐만 아니라 종래의 카본 블랙 마스터 배치보다 양호한 분산성을 나타내고 있다.As can be seen from the above examples, the carbon black master batch according to the present invention can be used irrespective of the type of resin, and exhibits better dispersibility than the conventional carbon black master batch.

Claims (3)

접합제(binder)가 카본 블랙 마스터 배치가 사용되는 수지와 동일 계통의 수지인 공지의 카본 블랙 마스터 배치에 있어서, 선형 저밀도 폴리에칠렌(LLDPE)을 접합제로 하는 것을 특징으로 하는 카본 블랙 마스터 배치 조성물.The carbon black master batch composition which uses linear low-density polyethylene (LLDPE) as a binder in the well-known carbon black master batch whose binder is resin of the same system as resin to which a carbon black master batch is used. 제 1 항에 있어서, 선형 저밀도 폴리에칠렌의 점도가 15 내지 25인 것을 특징으로 하는 카본 블랙 마스터 배치 조성물.2. The carbon black masterbatch composition of claim 1, wherein the viscosity of the linear low density polyethylene is from 15 to 25. 제 1 항에 있어서, 선형 저밀도 폴리 에칠렌의 조성이 10 내지 20중량부인 것을 특징으로 하는 카본 블랙 마스터 배치 조성물.The carbon black master batch composition according to claim 1, wherein the composition of the linear low density polyethylene is 10 to 20 parts by weight.
KR1019900006306A 1990-05-03 1990-05-03 Composition of carbon master batch for a thermoplastic resin KR930008113B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996001875A1 (en) * 1994-07-12 1996-01-25 Cabot Corporation Dispersible carbon black pellets
KR20140092472A (en) * 2012-12-28 2014-07-24 코오롱플라스틱 주식회사 Polyphenylenesulfide resins composition

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110078995B (en) * 2019-04-29 2022-03-15 重庆伟星新型建材有限公司 Carbon black master batch capable of improving stress characteristic of PE (polyethylene) pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996001875A1 (en) * 1994-07-12 1996-01-25 Cabot Corporation Dispersible carbon black pellets
KR20140092472A (en) * 2012-12-28 2014-07-24 코오롱플라스틱 주식회사 Polyphenylenesulfide resins composition

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