WebMelt-spun polysulfone semipermeable membranes and methods for making the same专利检索,Melt-spun polysulfone semipermeable membranes and methods for making the same属于··带有横向装在空心转轴上的中空过滤盘的专利检索,找专利汇即可免费查询专利,··带有横向装在空心转轴上的中空过滤盘的专利汇是一家知识产权数据服务商 ... WebIn this study, the behaviors and mechanisms of the direct photodegradation of dibutyl phthalate (DBP) in atomized water and the indirect photodegradation of DBP in the …
NIOSH Pocket Guide to Chemical Hazards - Dibutyl phthalate - CDC
WebChemical Name 1,2‐Benzenedicarboxylic acid, dibutyl ester CAS Number 84‐74‐2 Chemical Formula C16H22O4 Molecular Weight 278.34 Physical State Oily liquid Color Colorless to faint yellow Odor Slight ester‐like Melting Point ‐35°C Boiling Point 340°C Vapor Pressure 2.7x10‐5mm Hg WebDiisobutyl phthalate (DIBP) is a phthalate ester having the structural formula C 6 H 4 (COOCH 2 CH(CH 3) 2) 2.It is formed by the esterification of isobutanol and phthalic anhydride.This and other phthalates are used as plasticizers due to their flexibility and durability. They are found in many industrial and personal products, such as lacquers, … orchard park postcode hull
Melt-spun polysulfone semipermeable membranes and methods …
WebPhthalates with low molecular weight (LMW) and short alkyl chains of one to five carbons, such as diethyl phthalate (DEP) and dibutyl phthalate (DBP), are often used as solvents in personal care products, cosmetics, and pharmaceuticals, and as plasticizers in non-PVC products, including textiles, paints, solvents, adhesives, and food packaging. WebB.L. Wadey, in Encyclopedia of Physical Science and Technology (Third Edition), 2003 VI.A.4.a Volatility. Plasticizer loss causes plasticized PVC to shrink and become stiff. This can occur quickly at room temperature with low-molecular-weight plasticizers. As the molecular weight of plasticizer is increased, permanence at room or elevated … WebINSTRUÇÃO NORMATIVA Nº 10, DE 17 DE MARÇO DE 2024. Em atendimento ao parágrafo único do art. 4º da Lei nº 9.966, de 28 de abril de 2000, o Ibama divulga lista atualizada de classificação das substâncias nocivas ou perigosas de acordo com o risco produzido quando descarregadas na água baseada, com mesmo rigor e completude, na … orchard park post office 14127