公开(公告)号：US20230078847A1

公开(公告)日：2023-03-16

申请号：US17899255

申请日：2022-08-30

Applicant: ECOLAB USA INC.

Inventor： Mingli WEI ,  Heqing HUANG ,  David Steven JORDAN ,  Weiguo CHENG ,  Mei LIU ,  Zhi CHEN ,  J. Matthew CHUDOMEL ,  Meng ZHANG

IPC: D21H17/00 ,  D21H21/18 ,  D21H17/67 ,  D21H17/38 ,  D21H23/04

Abstract: Compositions and colloidal particles are provided that may be used to improve a papermaking process. The compositions and colloidal particles may include a polymer and an inorganic salt. A papermaking process carried out using the presently disclosed compositions and colloidal particles may produce a paper product that has increased strength properties.

公开(公告)号：US20210147897A1

公开(公告)日：2021-05-20

申请号：US16629878

申请日：2017-07-12

Applicant: ECOLAB USA INC.

Inventor： Wenli TU ,  Zhi CHEN

IPC: C12Q1/18 ,  C12Q1/48 ,  C12Q1/66

Abstract: Provided is a method for detecting the presence of bacterial spores by measuring adenosine diphosphate (ATP) production over time. Spores are detected by converting adenosine monophosphate (AMP) and adenosine diphosphate (ADP) to ATP.

公开(公告)号：US20240417929A1

公开(公告)日：2024-12-19

申请号：US18732997

申请日：2024-06-04

Applicant: ECOLAB USA INC.

Inventor： Zhi CHEN ,  Shawnee WILSON

IPC: D21H17/45 ,  D21H21/20

Abstract: The disclosure provides compounds, compositions, and methods for improving a papermaking process. A method may include adding a strength aid to a cellulosic fiber suspension in the papermaking process and adding a dewatering agent to the cellulosic fiber suspension. The dewatering agent may comprise a polymer having a reduced specific viscosity from about 2.5 to about 5.5 dL/g. The polymer may include, for example, a solution polymer, a latex polymer, or both. The strength aid may be selected from, for example, a cationic GPAM polymer, an anionic GPAM polymer, an amphoteric polymer with an overall negative charge, an amphoteric polymer with an overall positive charge, a cationic polyacrylamide polymer, an anionic polyacrylamide polymer, an associative polymer, a treatment polymer embedded in a colloidal hydroxide complex, starch, or any combination of the foregoing.

公开(公告)号：US20170175333A1

公开(公告)日：2017-06-22

申请号：US15119517

申请日：2015-02-05

Applicant: ECOLAB USA INC.

Inventor： Wenli TU ,  Yumei LU ,  Zhi CHEN ,  Yulin ZHAO

IPC: D21H17/28 ,  D21H11/14 ,  D21H21/36

Abstract: The present invention provides a method for preserving recycled fiber by using biocides and a method for manufacturing paper using recycled fiber. The method for manufacturing paper, using recycled fiber as a raw material, comprises pulping procedure: pulping the raw material containing recycled fiber, and papermaking procedure: producing the paper with the pulp slurry obtained in the pulping procedure; wherein the total starch content of recycled fiber is measured before recycled fiber is pulped, and when the total starch content of recycled fiber is higher than a predetermined value, one or more biocides are added during the pulping procedure.

公开(公告)号：US20160326698A1

公开(公告)日：2016-11-10

申请号：US15108383

申请日：2014-12-18

Applicant: Ecolab USA Inc.

Inventor： Zhi CHEN ,  Jian Kun SHEN ,  Kun HOU

IPC: D21H21/16 ,  D21H17/24 ,  D21C9/00 ,  D21H17/32 ,  D21H17/29 ,  D21H17/28 ,  D21H17/67

CPC classification number: D21H21/16 ,  D21C9/005 ,  D21H17/16 ,  D21H17/24 ,  D21H17/28 ,  D21H17/29 ,  D21H17/32 ,  D21H17/375 ,  D21H17/67 ,  D21H17/675 ,  D21H17/69

Abstract: Methods, processes, and compositions for improving sizing efficiency in a paper-making process are provided. Pulp slurry is treated by using alkenyl succinic anhydride that is emulsified with a polymer emulsifier. The emulsified alkeny succinic anhydride is used in conjunction with paper-making filler particles that are modified with hydroxyl-containing hydrocarbon natural polymer polysaccharide.

Abstract translation: 提供了用于提高造纸过程中的施胶效率的方法，方法和组合物。 通过使用用聚合物乳化剂乳化的烯基琥珀酸酐处理纸浆。 乳化链烯琥珀酸酐与用羟基烃天然聚合物多糖改性的造纸填料颗粒结合使用。

公开(公告)号：US20160311693A1

公开(公告)日：2016-10-27

申请号：US15105801

申请日：2014-12-17

Applicant: ECOLAB USA INC.

Inventor： Wen BAI ,  Jian XU ,  Jia WU ,  Zhi CHEN ,  Jian Kun SHEN ,  Raymond D. MILLER, Jr. ,  Jane B. WONG SHING

IPC: C01B33/146 ,  D21H11/02 ,  D21H17/68 ,  B01J13/00 ,  D21H21/10

CPC classification number: C01B33/146 ,  B01J13/00 ,  C09C1/3045 ,  C09C1/3063 ,  D21H11/02 ,  D21H17/68 ,  D21H21/10

Abstract: The present invention relates to colloidal silicas having a low S-value and a high solids content, the preparation thereof, and the use thereof in the production of paper. When used in the production of paper, the colloidal silicas of the invention exhibit good retention and drainage performance so that they can be used in lower amounts compared to conventional colloidal silicas. The present invention also relates to an apparatus and a method for producing such activated colloidal silicas.

Abstract translation: 本发明涉及具有低S值和高固体含量的胶体二氧化硅，其制备方法及其在生产纸中的用途。 当用于生产纸时，本发明的胶体二氧化硅表现出良好的保留和排水性能，因此与常规的胶体二氧化硅相比可以使用更低的量。 本发明还涉及一种生产这种活性胶体二氧化硅的装置和方法。