Phosphorus-containing compound for use as flame retardant and flame retardant resin

• US 20050014873A1
• Filed: 07/18/2003
• Published: 01/20/2005
• Est. Priority Date: 07/18/2003
• Status: Abandoned Application

• Current Assignee: Chung-Yuan Christian University
• Original Assignee: Chung-Yuan Christian University
• Inventors: Chiu, Yie-Chan, Liu, Ying-Ling
• Application Number:
  US10/621,519
• Publication Number:
  US 20050014873A1
• Time in Patent Office: Days
• US Class Current: 524/104
• CPC Class Codes: C08K 5/5313 Phosphinic compounds, e.g. R2=P(:O)OR'
• CPC Class Codes: C09K 21/12 containing phosphorus
• CPC Class Codes: H05K 1/0346 containing N

Abstract

A phosphorus containing compound having the following structure is disclosed, which can be blended a resin or reacted with a compound to form a flame retardant resin:
wherein R₁-R₄ independently are H or C₁-C₄ alkyl; X is a single bond, —CH₂—, —C(CH₃)₂—,
—O—, —S—, —SO₂—; Y is H, C₁-C₄ alkyl, —OH, —NH₂, —NO₂, —COOH, —CHO, or m is integer of 0-2; and n is an integer of 1-4.

Claims

1. A phosphorous-containing compound having the following structure:

2. The compound as claimed in claim 1, wherein is H.

3. The compound as claimed in claim 1, wherein Y is —

OH.

4. The compound as claimed in claim 1, wherein Y is —

COOH.

5. The compound as claimed in claim 1, wherein Y is

6. The compound as claimed in claim 1, wherein R₁-R₄ are H.

7. The compound as claimed in claim 1, wherein X is a single bond.

8. The compound as claimed in claim 1, wherein X is —

CH₂—

.

9. The compound as claimed in claim 1, wherein X is —

C(CH₃)₂—

.

10. The compound as claimed in claim 1, wherein m is 0.

11. A flame retardant resin prepared by blending a phosphorous-containing compound as defined in claim 1 with a resin.

12. A flame retardant resin prepared by reacting the phosphorous-containing compound as defined in claim 1 with a resin or a compound.