Coated polymeric particulates, and a process for coating polymeric particulates
US-9290668-B2 · Mar 22, 2016 · US
Polymer coatings compositions with reduced ignition sensitivity
US10683398B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10683398-B2 |
| Application number | US-201615752315-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 16, 2016 |
| Priority date | Sep 17, 2015 |
| Publication date | Jun 16, 2020 |
| Grant date | Jun 16, 2020 |
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- Title
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Abstract
Official abstract text for this publication.
A composition is provided that comprises at least the following: polymer particles comprising a coating on at least a portion of the total surface of the polymer particles, and wherein the coating is formed from a powder composition comprising at least one inorganic powder, and at least one organic powder selected from a metal stearate and/or a polymer powder, and wherein the weight ratio of the total amount of the inorganic powder to the total amount of the organic powder is from 3.0 to 50.0.
First claim
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The invention claimed is: 1. A composition comprising at least the following: polymer particles comprising a coating on at least a portion of the total surface of the polymer particles, and wherein the coating is formed from a powder composition comprising at least one inorganic powder, and at least one organic powder selected from a metal stearate, and wherein the weight ratio of the total amount of the inorganic powder to the total amount of the organic powder is from 3.0 to 50.0, and wherein the inorganic powder comprises talc and the powder composition comprises at least 50 wt % of the talc based on the total weight of the powder composition. 2. The composition of claim 1 , wherein the polymer particles are formed from a polymer composition comprising an olefin-based polymer. 3. The composition of claim 2 , wherein the polymer composition comprises greater than 95 wt % of the olefin-based polymer, based on the weight of the polymer composition. 4. The composition of claim 1 , wherein the composition comprises a binder. 5. The composition of claim 4 , wherein the binder is a silicone fluid. 6. The composition of claim 1 , wherein the inorganic powder further comprises at least one of the following: mica, calcium carbonate, finely divided silica, fumed silica, quartz, and combinations thereof. 7. An article comprising at least one component formed from the composition of claim 1 . 8. A process to form the composition of claim 1 , wherein the process comprises contacting the polymer particles with the powder composition. 9. A powder composition comprising at least the following: at least one inorganic powder, and at least one organic powder selected from a metal stearate, and wherein the weight ratio of the total amount of inorganic powder to the total amount of organic powder is from 3.0 to 50.0; wherein the total amount of inorganic powder and the total amount of organic powder comprise greater than, or equal to 95 wt %, based on the weight of the powder composition; and wherein the inorganic powder comprises talc and the powder composition comprises at least 50 wt % of the talc based on the total weight of the powder composition. 10. A composition comprising at least the following: polymer particles comprising a coating on at least a portion of the total surface of the polymer particles, and wherein the coating is formed from a powder composition comprising at least one inorganic powder, and at least one organic powder selected from a metal stearate; wherein the weight ratio of the total amount of the inorganic powder to the total amount of the organic powder is from 3.0 to 50.0; and wherein the composition comprises a binder.
Assignees
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Classifications
Treatment for improving the free-flowing characteristics · CPC title
Micropellets, microgranules, microparticles · CPC title
- C08J3/126Primary
Polymer particles coated by polymer, e.g. core shell structures · CPC title
Ingredients agglomerated by treatment with a binding agent · CPC title
Additives applied to the surface of polymers or polymer particles · CPC title
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Frequently asked questions
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- What does patent US10683398B2 cover?
- A composition is provided that comprises at least the following: polymer particles comprising a coating on at least a portion of the total surface of the polymer particles, and wherein the coating is formed from a powder composition comprising at least one inorganic powder, and at least one organic powder selected from a metal stearate and/or a polymer powder, and wherein the weight ratio of th…
- Who is the assignee on this patent?
- Dow Global Technologies Llc
- What technology area does this patent fall under?
- Primary CPC classification C08J3/126. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jun 16 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).