Polyolefin photovoltaic backsheet comprising a stabilized polypropylene layer
US-11898023-B2 · Feb 13, 2024 · US
Glass fiber composite material composition having improved impact strength
US10889707B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10889707-B2 |
| Application number | US-201716331907-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 18, 2017 |
| Priority date | Sep 19, 2016 |
| Publication date | Jan 12, 2021 |
| Grant date | Jan 12, 2021 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
Disclosed is a glass fiber composite material composition having further improved compatibility between glass fibers and polypropylene and thus maximized interfacial adhesion between the resin and the glass fibers in a glass fiber composite material. The present invention provides a glass fiber composite material composition comprising: (A) 60-93% by weight of polypropylene; (B) 1-30% by weight of glass fiber sized with a silane-based compound; and (C) 1-10% by weight of a polypropylene resin modified with maleic anhydride and a methacryloxysilane-based compound.
First claim
Opening claim text (preview).
The invention claimed is: 1. A glass fiber composite material composition comprising: (A) 60-93% by weight of polypropylene; (B) 1-30% by weight of glass fiber sized with a methacryloxysilane-based compound; and (C) 1-10% by weight of a polypropylene resin modified with maleic anhydride and a methacryloxysilane-based compound, wherein the modified polypropylene resin has the maleic anhydride content of 0.5-3 wt % and the methacryloxysilane-based compound content of 0.5-5 wt %, on the basis of 100 wt % of the modified polypropylene resin, and the methacryloxysilane-based compounds are 3-methacryloxypropyltrimethoxysilane or 3-methacryloxypropyltriethoxysilane. 2. The glass fiber composite material composition of claim 1 , wherein the modified polypropylene resin is obtained by co-grafting the maleic anhydride and the methacryloxysilane-based compound. 3. The glass fiber composite material composition of claim 1 , wherein the composition further comprises (D) 5-20 parts by weight of an olefin block copolymer, on the basis of a total of 100 parts by weight of the components (A) to (C). 4. The glass fiber composite material composition of claim 3 , wherein the olefin block copolymer is one or more selected from the group consisting of a propylene/ethylene block copolymer, an ethylene/octene block copolymer, an ethylene/butene block copolymer, and an ethylene/hexene block copolymer. 5. The glass fiber composite material composition of claim 1 , wherein one of the methacryloxysilane-based compounds is 3-methacryloxypropyltriethoxysilane.
Assignees
Inventors
Classifications
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US10889707B2 cover?
- Disclosed is a glass fiber composite material composition having further improved compatibility between glass fibers and polypropylene and thus maximized interfacial adhesion between the resin and the glass fibers in a glass fiber composite material. The present invention provides a glass fiber composite material composition comprising: (A) 60-93% by weight of polypropylene; (B) 1-30% by weight…
- Who is the assignee on this patent?
- Lotte Chemical Corp
- What technology area does this patent fall under?
- Primary CPC classification C08L23/10. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Jan 12 2021 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).