公开(公告)号：US20210139815A1

公开(公告)日：2021-05-13

申请号：US17151441

申请日：2021-01-18

Applicant: STEPAN COMPANY

Inventor： Ronald A. MASTERS ,  Mona Marie KNOCK ,  Patrick Shane WOLFE ,  Timothy A. BOEBEL ,  Xue Min DONG ,  Dennis S. MURPHY

IPC: C11D1/66 ,  C11D3/37 ,  C11D3/20 ,  C11D17/00

Abstract: Dilutable concentrates useful for hard surface cleaners with improved film/streak performance on high-energy surfaces are disclosed. The concentrates comprise a nonionic alkoxylated surfactant and a polyetheramine. A relatively minor proportion of a polyetheramine can resolve film/streak issues that characterize hard surface cleaners formulated with nonionic surfactants. The efficacy of polyetheramines for improving film/streak performance of hard surface cleaners formulated with nonionic alkoxylated surfactants far exceeds the benefits available from known improvements, such as the use of hydrotropes. Other inventive dilutable concentrates and hard surface cleaners comprise an amine-functional hydrophobe and an auxiliary surfactant. Still other dilutable concentrates or hard surface cleaners comprise a nonionic alkoxylated surfactant and lactic acid. An improved method for measuring film/streak properties of hard surface cleaners is also disclosed.

公开(公告)号：US20240224992A1

公开(公告)日：2024-07-11

申请号：US18563480

申请日：2022-08-04

Applicant: Stepan Company

Inventor： Mona Marie KNOCK ,  Gregory P. DADO

IPC: A01N25/30

CPC classification number: A01N25/30

Abstract: Compositions comprising a nonionic surfactant and 0.1 to 30 wt. % of a low-mole alkoxylate are disclosed. Some low-mole alkoxylates have the formula




wherein R is a linear or branched C8-C16 alkyl or alkanolamide group, AO is oxypropylene (PO), oxyethylene (EO), or combinations thereof in random or block configuration, p has an average value within the range of 0.5 to 7, the average number of PO groups is within the range of 0.5 to 4, and the average number of EO groups is within the range of 0 to 3. Dilute aqueous solutions comprising a nonionic surfactant and a minor proportion of a low-mole alkoxylate wet hydrophobic surfaces more effectively, limit foaming, and degrease better than solutions comprising only the nonionic surfactant. The low-mole alkoxylates help to boost wetting performance in applications that require low-foaming surfactants, such as automatic dishwashing and laundry detergents.