Invention Grant
- Patent Title: Coatable composition, antistatic composition, antistatic articles, and methods of making the same
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Application No.: US15026850Application Date: 2013-10-04
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Publication No.: US10400109B2Publication Date: 2019-09-03
- Inventor: Naiyong Jing , Xuan Jiang , Justin A. Riddle , Fuxia Sun , Daniel J. Schmidt
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Agent Bradford B. Wright
- International Application: PCT/US2013/063449 WO 20131004
- International Announcement: WO2015/050560 WO 20150409
- Main IPC: C09D1/00
- IPC: C09D1/00 ; C03C17/23 ; C08J7/06 ; C09D7/61 ; C08K3/36

Abstract:
A method of making a coatable composition includes: providing a first composition comprising silica nanoparticles dispersed in an aqueous liquid vehicle, wherein the first composition has a pH greater than 6; acidifying the first composition to a pH of less than or equal to 4 using inorganic acid to provide a second composition; and dissolving at least one metal compound in the second composition to form the coatable composition. The silica nanoparticles have a polymodal particle size distribution, wherein the polymodal particle size distribution comprises a first mode having a first particle size in the range of from 8 to 35 nanometers, wherein the polymodal particle size distribution comprises a second mode having a second particle size in the range of from 2 to 20 nanometers, wherein the first particle size is greater than the second particle size. Coatable compositions, antistatic compositions, preparable by the method are also disclosed. Soil-resistant articles including the antistatic compositions are also disclosed.
Public/Granted literature
- US20160289454A1 COATABLE COMPOSITION, ANTISTATIC COMPOSITION, ANTISTATIC ARTICLES, AND METHODS OF MAKING THE SAME Public/Granted day:2016-10-06
Information query
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