JP2016180660A - 推定方法および推定装置 - Google Patents
推定方法および推定装置 Download PDFInfo
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
Description
図1は、本実施形態に係る推定装置の概略構成を示す模式図である。図1に示すように、推定装置1は、ワークステーションやパソコン等の汎用コンピュータで実現され、測定部2、表示部3、記憶部4および制御部5を備える。
次に、図8のフローチャートを参照して、推定装置1における推定処理手順について説明する。図8のフローチャートは、例えば、操作者による開始を指示する操作入力があったタイミングで開始される。
2 測定部
21 物性測定部
22 分子量分布測定部
3 表示部
4 記憶部
41 物性情報
42 分子量分布情報
43 分子量情報
5 制御部
51 分子量パラメータ算出部
52 重回帰分析部
53 物性推定部
Claims (6)
- 推定装置で実行される推定方法であって、
複数の既知の条件下で光酸化劣化した高分子材料について測定された物性と、該複数の既知の条件下で光酸化劣化した高分子材料および未知の条件下で光酸化劣化した推定対象の該高分子材料について測定された分子量分布とを記憶する記憶部を参照し、
前記分子量分布から分子量を表す複数の分子量パラメータを算出する分子量パラメータ算出工程と、
前記複数の既知の条件下で光酸化劣化した高分子材料について、前記物性を従属変数とし、偏回帰係数の正負が異なる複数の前記分子量パラメータを説明変数とする重回帰分析を行う重回帰分析工程と、
前記推定対象の高分子材料について、前記分子量パラメータと前記重回帰分析工程において得られた重回帰式とを用いて、物性の推定値を算出する物性推定工程と、
を含んだことを特徴とする推定方法。 - 前記分子量パラメータは、数平均分子量、ピークトップ分子量、重量平均分子量、Z平均分子量、微分分子量分布曲線における特定の分子量Mに対するdw/d(Log(M))、または積分分子量分布曲線における特定の積算値に対する分子量であることを特徴とする請求項1に記載の推定方法。
- 前記物性は、前記高分子材料の強度または伸びのいずれかであることを特徴とする請求項1または2に記載の推定方法。
- 前記高分子材料は、光酸化劣化する前の初期状態において、非架橋タイプの構造をもつことを特徴とする請求項1〜3のいずれか1項に記載の推定方法。
- 前記高分子材料は、ポリオレフィン系樹脂、ポリビニル系樹脂、ポリエステル系樹脂、ポリエーテル系樹脂、ポリアミド系樹脂、ポリウレタン系樹脂、または分子構造内にエチレン基が重合したポリエチレン構造を有する樹脂のいずれか1つであることを特徴とする請求項4に記載の推定方法。
- 複数の既知の条件下で光酸化劣化した高分子材料について測定された物性と、該複数の既知の条件下で光酸化劣化した高分子材料および未知の条件下で光酸化劣化した推定対象の該高分子材料について測定された分子量分布とを記憶する記憶部と、
前記分子量分布から分子量を表す複数の分子量パラメータを算出する分子量パラメータ算出部と、
前記複数の既知の条件下で光酸化劣化した高分子材料について、前記物性を従属変数とし、偏回帰係数の正負が異なる複数の前記分子量パラメータを説明変数とする重回帰分析を行う重回帰分析部と、
前記推定対象の高分子材料について、前記分子量パラメータと前記重回帰分析部により得られた重回帰式とを用いて、物性の推定値を算出する物性推定部と、
を備えることを特徴とする推定装置。
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Cited By (4)
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CN108375537A (zh) * | 2018-03-01 | 2018-08-07 | 大连海事大学 | 基于最大质量减少速率的船用电缆绝缘寿命检测方法 |
KR20190007770A (ko) * | 2017-07-13 | 2019-01-23 | 현대자동차주식회사 | 플라스틱 부품의 물성 예측 및 분석 방법 |
WO2019054726A1 (ko) * | 2017-09-15 | 2019-03-21 | 주식회사 엘지화학 | 플라스틱 수지의 멜트 블로운 가공 물성 평가 방법 |
CN111819441A (zh) * | 2018-03-09 | 2020-10-23 | 昭和电工株式会社 | 聚合物的物理性质预测装置、存储介质、及聚合物的物理性质预测方法 |
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KR102394781B1 (ko) * | 2017-07-13 | 2022-05-04 | 현대자동차주식회사 | 플라스틱 부품의 물성 예측 및 분석 방법 |
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CN111819441A (zh) * | 2018-03-09 | 2020-10-23 | 昭和电工株式会社 | 聚合物的物理性质预测装置、存储介质、及聚合物的物理性质预测方法 |
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