A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
WATERPROOF SHEET, RESIN COMPOSITION AND SEALING MATERIAL
To provide a waterproof sheet having high durability, a resin composition used in forming the waterproof sheet, and a sealing material used for sealing the waterproof sheet.SOLUTION: A waterproof sheet contains vinyl chloride-based resin and plasticizer, the plasticizer has 40% or less of a decomposition rate after being cultured together with bacteria of the genus Gordonia under the following conditions. (Conditions) 10μL of culture solution produced by culturing bacteria on Miller's LB culture medium of 1/2 concentration for 24 hours is added to 10 ml of MS culture medium added with 0.1%(w/v) of the plasticizer, and obtained mixture liquid was cultured at the agitation speed of 121 rpm at 30°C for 48 hours. [decomposition rate]=(A-B)/A×100 (in the formula, A denotes a plasticizer amount included in the mixture liquid before culture, and B denotes a plasticizer amount included in the mixture liquid after culture).SELECTED DRAWING: None
【課題】耐久性が高い防水シートを提供する。また、このような防水シートの成形に用いられる樹脂組成物、及び、このような防水シートのシーリングに用いられるシーリング材を提供する。【解決手段】塩化ビニル系樹脂と、可塑剤とを含み、可塑剤は、ゴルドニア（Ｇｏｒｄｏｎｉａ）属のバクテリアと共に下記条件で培養した後の分解率が４０％以下である防水シート。（条件）可塑剤０．１％（ｗ／ｖ）を添加したＭＳ培地１０ｍｌに、１／２濃度のＭｉｌｌｅｒ’ｓＬＢ培地でバクテリアを２４時間培養した培養液を１０μＬ加え、得られた混合液を撹拌速度１２１ｒｐｍ、３０℃で４８時間培養した。［分解率］＝（Ａ－Ｂ）／Ａ×１００（式中、Ａは培養前の混合液に含まれる可塑剤量を表し、Ｂは培養後の混合液に含まれる可塑剤量を表す）【選択図】なし
WATERPROOF SHEET, RESIN COMPOSITION AND SEALING MATERIAL
To provide a waterproof sheet having high durability, a resin composition used in forming the waterproof sheet, and a sealing material used for sealing the waterproof sheet.SOLUTION: A waterproof sheet contains vinyl chloride-based resin and plasticizer, the plasticizer has 40% or less of a decomposition rate after being cultured together with bacteria of the genus Gordonia under the following conditions. (Conditions) 10μL of culture solution produced by culturing bacteria on Miller's LB culture medium of 1/2 concentration for 24 hours is added to 10 ml of MS culture medium added with 0.1%(w/v) of the plasticizer, and obtained mixture liquid was cultured at the agitation speed of 121 rpm at 30°C for 48 hours. [decomposition rate]=(A-B)/A×100 (in the formula, A denotes a plasticizer amount included in the mixture liquid before culture, and B denotes a plasticizer amount included in the mixture liquid after culture).SELECTED DRAWING: None
【課題】耐久性が高い防水シートを提供する。また、このような防水シートの成形に用いられる樹脂組成物、及び、このような防水シートのシーリングに用いられるシーリング材を提供する。【解決手段】塩化ビニル系樹脂と、可塑剤とを含み、可塑剤は、ゴルドニア（Ｇｏｒｄｏｎｉａ）属のバクテリアと共に下記条件で培養した後の分解率が４０％以下である防水シート。（条件）可塑剤０．１％（ｗ／ｖ）を添加したＭＳ培地１０ｍｌに、１／２濃度のＭｉｌｌｅｒ’ｓＬＢ培地でバクテリアを２４時間培養した培養液を１０μＬ加え、得られた混合液を撹拌速度１２１ｒｐｍ、３０℃で４８時間培養した。［分解率］＝（Ａ－Ｂ）／Ａ×１００（式中、Ａは培養前の混合液に含まれる可塑剤量を表し、Ｂは培養後の混合液に含まれる可塑剤量を表す）【選択図】なし
WATERPROOF SHEET, RESIN COMPOSITION AND SEALING MATERIAL
防水シート、樹脂組成物及びシーリング材
AMAUSHI HIDEKIYO (author) / BETSUMIYA HIROYUKI (author)
2024-09-03
Patent
Electronic Resource
Japanese
WATERPROOF SHEET, RESIN COMPOSITION, AND SEALING MATERIAL
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