Systems for treating a metal substrate

Patent metadata

Field	Value
Publication number	US-2022127466-A1
Application number	US-202017429439-A
Country	US
Kind code	A1
Filing date	Feb 11, 2020
Priority date	Feb 11, 2019
Publication date	Apr 28, 2022
Grant date	—

Abstract

Disclosed herein are systems for treating a substrate. The system may include a cleaner composition, a deoxidizing composition comprising a Group IVA metal and/or a Group IVB metal and free fluoride and having a pH of 1.0 to 3.0, and/or a seal composition. The system may also include a coating composition. The cleaner composition, deoxidizing composition, and/or seal composition may comprise a homopolymer or a copolymer comprising a phosphorous-containing monomeric subunit m1. Also disclosed is a deoxidizing composition comprising a Group IVA metal and a Group IVB metal and free fluoride and having a pH of 1.0 to 3.0. Also disclosed are methods of treating a substrate. Also disclosed are treated substrates.

First claim

1 . A system for treating a substrate, comprising:
a cleaner composition; and/or a deoxidizing composition comprising a Group IVA metal and/or a Group IVB metal and free fluoride and having a pH of 1.0 to 3.0; and/or a seal composition; and a coating composition.

2 . The system of claim 1 wherein the cleaner composition, the deoxidizing composition and/or the seal composition comprises a homopolymer or a copolymer comprising a phosphorous-containing monomeric subunit m1.

3 . The system of claim 2 , wherein the cleaner composition, the deoxidizing composition and/or the seal composition further comprises a non-phosphorous-containing monomeric subunit m2.

4 - 12 . (canceled)

13 . The system of claim 1 , wherein the coating composition comprises an adhesive composition comprising:
an epoxy-containing component; and a curing agent that reacts with the epoxy-containing component.

14 - 16 . (canceled)

17 . The system of claim 13 , wherein the adhesive composition further comprises elastomeric particles.

18 - 19 . (canceled)

20 . The system of claim 17 , wherein:
(a) at least 50% by weight of the elastomeric particles comprise a styrene butadiene core based on total weight of the elastomeric particles; (b) wherein at least 50% by weight of the elastomeric particles based on total weight of the elastomeric particles have an average particle size of less than 150 nm as measured by transmission electron microscopy; and/or (c) wherein no more than 50% by weight of the elastomeric particles comprise a polybutadiene core and/or a polysiloxane core based on total weight of the elastomeric particles.

21 - 22 . (canceled)

23 . The system of claim 1 , wherein the coating composition comprises an accelerator.

24 . The system of claim 23 , wherein the accelerator comprises a latent accelerator, an encapsulated accelerator, a non-latent accelerator, a non-encapsulated accelerator, or combinations thereof.

25 . A substrate treated with the system of claim 1 .

26 . The substrate of claim 25 , wherein a portion of a surface of the substrate is at least partially coated with the coating composition.

27 . The substrate of claim 25 , wherein the substrate is at least partially embedded in the composition.

28 - 29 . (canceled)

30 . Protective clothing comprising the substrate of claim 25 .

31 . A vehicle comprising the substrate of claim 25 .

32 . A can comprising the substrate of claim 25 .

33 . An article comprising the substrate of claim 25 , wherein the substrate is comprised of a first material.

34 . The article of claim 33 , further comprising a second substrate comprised of the first material and/or a second material.

35 . (canceled)

36 . A method of treating a substrate, comprising:
contacting a portion of a surface of the substrate with a cleaner composition; and/or contacting a portion of the surface with a deoxidizing composition comprising a Group IVA metal and/or a Group IVB metal and free fluoride and having a pH of 1.0 to 3.0; and/or contacting a portion of the surface with a seal composition; and contacting a portion of the surface with a coating composition.

37 . The method of claim 36 , wherein the surface is not contacted with a pretreatment composition.

38 . A deoxidizing composition comprising:
a Group IVA metal; a Group IVB metal; and free fluoride; wherein the composition has a pH of 1.0 to 3.0.

39 . The deoxidizing composition of claim 38 , further comprising a Group IA metal, a Group VIB metal, an electropositive metal, a homopolymer or copolymer comprising a phosphorous-containing monomeric subunit m1, a non-phosphorous-containing monomeric subunit m2, or combinations thereof.

40 . (canceled)

41 . A substrate comprising a coating formed from a composition comprising an epoxy-containing component, elastomeric particles in an amount of greater than 11% by weight to 25% by weight based on total weight of the composition, and a curing component activatable by an external energy source, the curing component comprising at least one guanidine having a D90 particle size of 25 μm measured by dynamic light scattering.

42 . (canceled)

43 . The substrate of claim 41 , wherein at least 50% by weight of the elastomeric particles comprise a styrene butadiene core based on total weight of the elastomeric particles and/or wherein at least 50% of the elastomeric particles have an average particle size of less than 150 nm as measured by transmission electron microscopy and/or wherein no more than 50% by weight of the elastomeric particles comprise a polybutadiene core and/or a polysiloxane core based on total weight of the elastomeric particles.

44 - 48 . (canceled)

Assignees

• Ppg Ind Ohio Inc

Inventors

• Brown-Tseng Elizabeth S
• Kriley Joseph P
• Pollum Jr Marvin M
• Nakajima Masayuki
• Maksimovic Ljiljana
• Rearick Brian K
• Powell Adam B
• Fortman David J
• Pagnotti Loubna
• Appadoo Visham
• Millero Jr Edward R
• Lee Se Reyon
• Lemon Steven J
• Bowles Steven E

Classifications

• C23C22/83

  Chemical after-treatment · CPC title

• C23G1/02

  with acid solutions · CPC title

• C09D163/10

  Epoxy resins modified by unsaturated compounds · CPC title

• C09D143/00

  Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers · CPC title

• C23C22/34 Primary

  containing fluorides or complex fluorides · CPC title