JP7599028B2 - ジオセル用またはコーラルセル用複合樹脂組成物 - Google Patents
ジオセル用またはコーラルセル用複合樹脂組成物 Download PDFInfo
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- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
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- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
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Description
本発明の一実施形態によれば、成分(A)~(C)の総重量を基準として、(A)高密度ポリエチレン樹脂70.0~88.0重量%と、(B)炭酸カルシウム10.0~30.0重量%と、および(C)変性ポリオレフィン樹脂2.0~4.0重量%とを含み、密度が1.0~1.2g/cm3である複合樹脂組成物が提供される。
本発明の実施形態による複合樹脂組成物は、成分(A)~(C)の総重量を基準として、70.0~88.0重量%、好ましくは75~85重量%または77.0~82.0重量%の高密度ポリエチレン樹脂(A)を含む。高密度ポリエチレン樹脂(A)の含有量が70.0重量%未満の場合、複合樹脂組成物から成形品の製造が容易でない、または複合樹脂組成物から得られる成形品の伸び率が低下することがある。一方、高密度ポリエチレン樹脂(A)の含有量が88.0重量%を超える場合、成形品の引張強度などの機械的物性が低下することがある。
本発明の実施形態による複合樹脂組成物は、成分(A)~(C)の総重量を基準として、10.0~30.0重量%、好ましくは13.0~22.0重量%または15.0~20.0重量%の炭酸カルシウム(B)を含む。炭酸カルシウム(B)の含有量が10.0重量%未満の場合、複合樹脂組成物から得られる成形品の引張強度などの機械的物性が低下することがある。一方、炭酸カルシウム(B)の含有量が30.0重量%を超える場合、成形品の製造が容易でなくなったり、成形品の伸び率が低下することがある。
本発明の実施形態による複合樹脂組成物は、成分(A)~(C)の総重量を基準として、2.0~4.0重量%、好ましくは2.5~3.5重量%または2.5~3.0重量%の変性ポリオレフィン樹脂(C)を含む。変性ポリオレフィン樹脂(C)の含有量が増加するほど、高密度ポリエチレン樹脂(A)と炭酸カルシウム(B)間の混和性(compatibility)が良くなるが、この含有量が4.0重量%を超えると、複合樹脂組成物から製造される成形品の引張強度などの機械的物性が低下することがある。
本発明の実施形態による複合樹脂組成物は、成分(A)~(C)100重量部に対して、3重量部以下の含有量で添加剤(D)をさらに含むことができる。
本発明の他の実施形態によれば、本発明の複合樹脂組成物を成形して製造される複合樹脂成形品が提供される。
以下、実施例と比較例により本発明をより具体的に説明する。ただし、以下の実施例は、本発明を例示するためのものであり、本発明の範囲がこれらだけに限定されるものではない。
B1: 炭酸カルシウム(コーツ、CMS8000、平均粒径3.0μm)
B2: タルク(コーツ、KC5000L、平均粒径3.0μm)
C1: 無水マレイン酸グラフトポリエチレン樹脂(ロッテ化学、Adpoly EM101、無水マレイン酸の含有量0.5~1.0重量%)
製造例
下記表1のような種類と含有量(単位:重量部)の樹脂および化合物を二軸スクリュー押出機で60~210℃の温度で溶融ブレンドしてペレット化した。このとき、無機充填材は、その形状を維持するために押出機中段の側面から投入した。
実施例と比較例の組成物および成形品の物性は下記の方法で測定した。その結果を下表2に示した。
ASTM D1505に準拠して測定した。
ASTM D1238に基づき、190℃で21.6kgの荷重と2.16kgの荷重でそれぞれ融解指数を測定し、その比(MI21.6/MI2.16)を求めた。
ASTM D638に準拠し、200mm/minの条件下で測定した。
Claims (10)
- 成分(A)~(C)の総重量を基準として、(A)高密度ポリエチレン樹脂75.0~85.0重量%と、(B)炭酸カルシウム13.0~22.0重量%と、および(C)変性ポリオレフィン樹脂2.0~4.0重量%とを含み、密度が1.0~1.2g/cm3である複合樹脂組成物であり、
前記複合樹脂組成物を成形して得られる複合樹脂成形品は、伸び率が300~600%である、複合樹脂組成物。 - 190℃で2.16kgの荷重で測定される溶融指数(MI2.16)が0.1~0.3g/10分であり、190℃で21.6kgの荷重で測定される溶融指数(MI21.6)と2.16kgの荷重で測定される溶融指数(MI2.16)の比(melt flow ratio、MFR)が80~120である、請求項1に記載の複合樹脂組成物。
- 高密度ポリエチレン樹脂(A)の密度が0.930~0.960g/cm3、190℃で2.16kgの荷重で測定される溶融指数(MI2.16)が0.1~1.0g/10分、190℃で21.6kgの荷重で測定される溶融指数(MI21.6)と2.16kgの荷重で測定される溶融指数(MI2.16)の比(MFR)が60~140である、請求項1に記載の複合樹脂組成物。
- 炭酸カルシウムの平均粒径が2.0~5.0μmである、請求項1に記載の複合樹脂組成物。
- 変性ポリオレフィン樹脂(C)は無水マレイン酸(maleic anhydride)がグラフトされたポリエチレンである、請求項1に記載の複合樹脂組成物。
- 変性ポリオレフィン樹脂(C)中の無水マレイン酸の含有量が0.3~2.0重量%である、請求項5に記載の複合樹脂組成物。
- 成分(A)~(C)100重量部に対して、3重量部以下の含有量で添加剤(D)をさらに含む、請求項1に記載の複合樹脂組成物。
- 添加剤(D)が、酸化防止剤、中和剤、補強材、耐候安定剤、帯電防止剤、活剤、滑り剤、カーボンブラック、顔料および染料からなる群から選ばれる少なくとも1つである、請求項7に記載の複合樹脂組成物。
- 請求項1~8のいずれか一項の複合樹脂組成物を成形して得られ、密度が1.0~1.2g/cm3、引張強度が150~300kgf/cm2、伸び率が300~600%である、複合樹脂成形品。
- 複合樹脂成形品がシートまたはフィルムである、請求項9に記載の複合樹脂成形品。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20200178053 | 2020-12-18 | ||
| KR10-2020-0178053 | 2020-12-18 | ||
| PCT/KR2021/018830 WO2022131711A1 (ko) | 2020-12-18 | 2021-12-13 | 지오셀용 또는 코랄셀용 복합 수지 조성물 |
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| Publication Number | Publication Date |
|---|---|
| JP2023554114A JP2023554114A (ja) | 2023-12-26 |
| JP7599028B2 true JP7599028B2 (ja) | 2024-12-12 |
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| JP2023537305A Active JP7599028B2 (ja) | 2020-12-18 | 2021-12-13 | ジオセル用またはコーラルセル用複合樹脂組成物 |
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| Country | Link |
|---|---|
| US (1) | US20240110046A1 (ja) |
| EP (1) | EP4265676A4 (ja) |
| JP (1) | JP7599028B2 (ja) |
| KR (1) | KR102582374B1 (ja) |
| CN (1) | CN116615502B (ja) |
| TW (1) | TWI806288B (ja) |
| WO (1) | WO2022131711A1 (ja) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012504058A (ja) | 2008-09-29 | 2012-02-16 | ピー・アール・エス・メディタレイニアン・リミテッド | 荷重支持用途のためのジオセル |
| CN104292588A (zh) | 2014-10-24 | 2015-01-21 | 安徽杰奥玛克合成材料科技有限公司 | 一种轻质土工格室母料 |
| WO2016031789A1 (ja) | 2014-08-25 | 2016-03-03 | 株式会社フジクラ | 難燃性樹脂組成物、およびこれを用いたケーブル、ならびに光ファイバケーブル |
| JP2017179305A (ja) | 2016-03-31 | 2017-10-05 | 日本ポリエチレン株式会社 | ポリエチレン樹脂用改質材、ポリエチレン樹脂組成物の製造方法、及び成形体の製造方法 |
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| CA1254319A (en) * | 1984-08-16 | 1989-05-16 | Thomas M. Krigas | Polyolefin compositions having improved impact strength |
| KR100895522B1 (ko) * | 2001-03-28 | 2009-04-30 | 니혼폴리올레핀 가부시키가이샤 | 접착성 수지 조성물 및 그것을 이용한 다층 적층 구조체 |
| JP2006002052A (ja) | 2004-06-18 | 2006-01-05 | Mitsubishi Chemicals Corp | 複合樹脂組成物およびその成形体 |
| EP2184391B1 (en) * | 2007-08-31 | 2016-10-12 | Kuraray Co., Ltd. | Buffer substrate and use thereof |
| CN102040757A (zh) * | 2009-10-13 | 2011-05-04 | 湖南振辉管业有限公司 | 高密度聚乙烯合金管及其制造方法 |
| CN104744759A (zh) * | 2013-12-26 | 2015-07-01 | 江苏申视新材料科技有限公司 | 聚乙烯复合材料粘接用改性聚乙烯树脂及其制备方法 |
| JP6590687B2 (ja) * | 2015-12-24 | 2019-10-16 | 平岡織染株式会社 | テント構造物膜材用樹脂組成物 |
| KR101958906B1 (ko) | 2016-04-01 | 2019-03-18 | 주식회사 한오션 | 해안침식 방지용 유실모래 포집장치 |
| RU2625058C1 (ru) * | 2016-08-26 | 2017-07-11 | Общество с ограниченной ответственностью "Мики" | Армированная георешетка и способ ее получения |
| KR102257482B1 (ko) * | 2018-08-24 | 2021-05-31 | 주식회사 비엠케이 | 폐 고밀도 폴리에틸렌을 이용하여 지오셀을 제조하는 방법 |
| KR20200088784A (ko) | 2019-01-15 | 2020-07-23 | 주식회사 한오션 | 해안침식 억제장치 |
| CN111622597A (zh) * | 2019-01-31 | 2020-09-04 | 浙江省三门县东海橡胶厂 | 高强度pe塑料防护网 |
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| JP2012504058A (ja) | 2008-09-29 | 2012-02-16 | ピー・アール・エス・メディタレイニアン・リミテッド | 荷重支持用途のためのジオセル |
| WO2016031789A1 (ja) | 2014-08-25 | 2016-03-03 | 株式会社フジクラ | 難燃性樹脂組成物、およびこれを用いたケーブル、ならびに光ファイバケーブル |
| CN104292588A (zh) | 2014-10-24 | 2015-01-21 | 安徽杰奥玛克合成材料科技有限公司 | 一种轻质土工格室母料 |
| JP2017179305A (ja) | 2016-03-31 | 2017-10-05 | 日本ポリエチレン株式会社 | ポリエチレン樹脂用改質材、ポリエチレン樹脂組成物の製造方法、及び成形体の製造方法 |
| JP2017179304A (ja) | 2016-03-31 | 2017-10-05 | 日本ポリエチレン株式会社 | ポリエチレン樹脂用改質材、並びに、それを用いたポリエチレン樹脂組成物の製造方法、及び、成形体の製造方法 |
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| EP4265676A1 (en) | 2023-10-25 |
| KR102582374B1 (ko) | 2023-09-26 |
| TWI806288B (zh) | 2023-06-21 |
| KR20220088324A (ko) | 2022-06-27 |
| US20240110046A1 (en) | 2024-04-04 |
| CN116615502A (zh) | 2023-08-18 |
| WO2022131711A1 (ko) | 2022-06-23 |
| EP4265676A4 (en) | 2024-11-27 |
| CN116615502B (zh) | 2025-09-30 |
| TW202225307A (zh) | 2022-07-01 |
| JP2023554114A (ja) | 2023-12-26 |
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