US 11,840,591 B2
In situ peelable protective barrier films
Jeremy Hyatt, Revere, MA (US); and Rebecca Bader, Oceanside, CA (US)
Assigned to Sanipeel, LLC, Cleveland, OH (US)
Filed by Sanipeel, LLC, Cleveland, OH (US)
Filed on Dec. 31, 2020, as Appl. No. 17/139,415.
Prior Publication US 2022/0204668 A1, Jun. 30, 2022
Int. Cl. C08F 220/18 (2006.01); C08F 218/08 (2006.01); C08F 220/14 (2006.01); C08J 3/07 (2006.01); C08J 5/18 (2006.01); C08K 5/00 (2006.01); C08K 5/138 (2006.01); C08K 5/13 (2006.01)
CPC C08F 220/1804 (2020.02) [C08F 218/08 (2013.01); C08F 220/14 (2013.01); C08J 3/07 (2013.01); C08J 5/18 (2013.01); C08K 5/0058 (2013.01); C08K 5/13 (2013.01); C08K 5/138 (2013.01); C08F 2800/20 (2013.01); C08J 2331/04 (2013.01); C08J 2335/02 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An emulsion comprising:
(i) a bimodal acrylic random copolymer comprising polymeric subunits consisting of:
a first polymeric subunit,

OG Complex Work Unit Chemistry
present between 1 to 5 wt %+/−0.5 wt %;
a second polymeric subunit,

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present between 21 to 41 wt %+/−0.1 wt %;
a third polymeric subunit,

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present between 27 to 57.5 wt %+/−0.1 wt %; and
a fourth polymeric subunit,

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present between 19 to 34 wt %+/−0.1 wt %, wherein the acrylic random copolymer is present in the emulsion between 40 to 55 wt %;
(ii) water, wherein the water is present in the emulsion between 44 to 59 wt %;
(iii) a buffer present in an amount effective to maintain a pH between 4 and 10; and
(iv) a non-ionic surfactant present between 0.1 and 1.0 wt %.