Preparing sterile articles from polymers containing a stabilizer based on a poly (oxyalkylene)
申请人:Occidental Chemical Corporation
公开号:US20020055584A1
公开(公告)日:2002-05-09
A method of preparing a sterile article is disclosed. A polymer having a halogen-containing repeating unit is prepared that contains about 0.005 to about 65 phr of a stabilizer having the general formula TGOT′, where each T is independently selected from R—, R—CO—, —P(R)
2
, —P(OR)
2
, —Si(R)
3
, or —Si(OR)
3
, T′ is T or A[GOT]
n
, each A is independently selected from LS—Sn(R)
3-q
(SLJ)
q
, L—O—Sn(R) (OLJ)
q
, (CH
2
)
p
S—Sn(R)
3-q
(S(CH
2
)
p
—J)
q
, LCO
2
Sn(R)
3-q
(OLCO—J)
q
, or LSn(Y)
3-q
(LJ)
q
when n is 0, from CO, E, CO—E—CO, Si(R)
2
, Si(OR)
2
, (Si(R)
2
G)
r
, (CO—E—CO—G)
r
, (CO—G)
r
, or (E—G)
r
when n is 1, and from P, PO, and trimellitate when n is 2, Y is —SLJ, —SLOR, —OLJ, —OLR, —S(CH
2
)
p
—J, —S(CH
2
)
p
R, OLCO—J, or OLCOOR, G is (O—CH
2
—R′CH)
m
, J is O—(CH
2
CR′HO)T, L is CO(CH
2
)
p
, each R is independently selected from R′, aralkyl from C
6
to C
12
, and alkaryl from C
6
to C
12
, each R′ is independently selected from hydrogen, alkyl from C
1
to C
12
, and aryl from C
6
to C
12
, E is alkylene from C
1
to C
12
, aralkylene from C
6
to C
12
, alkarylene from C
6
to C
12
, arylene from C
6
to C
12
, m is 1 to 20, n is 0 to 2, p is 0 to 10, q is 0 to 3, and r is 1 to 20. An article is made from the polymer and the article is sterilized with ionizing radiation.
Also disclosed are novel stabilizers for use in this method.
本发明公开了一种制备无菌物品的方法。制备一种具有含卤重复单元的聚合物,该聚合物含有约 0.005 至约 65 phr 的稳定剂,其通式为 TGOT′,其中每个 T 独立地选自 R-、R-CO-、-P(R)
2
、-P(OR)
2
、-Si(R)
3
或-Si(OR)
3
,T′为 T 或 A[GOT]
n
,每个 A 都独立选自 LS-Sn(R)
3-q
(SLJ)
q
、L-O-Sn(R) (OLJ)
q
,(CH
2
)
p
S-Sn(R)
3-q
(S(CH
2
)
p
-J)
q
,LCO
2
Sn(R)
3-q
(OLCO-J)
q
或 LSn(Y)
3-q
(LJ)
q
当 n 为 0 时,从 CO、E、CO-E-CO、Si(R)
2
、Si(OR)
2
、(Si(R)
2
G)
r
, (CO-E-CO-G)
r
, (CO-G)
r
或 (E-G)
r
当 n 为 1 时,以及当 n 为 2 时,从 P、PO 和偏苯三酸酯中,Y 为 -SLJ、-SLOR、-OLJ、-OLR、-S(CH
2
)
p
-J、-S(CH
2
)
p
R、OLCO-J 或 OLCOOR,G 是(O-CH
2
-R′CH)。
m
,J 是 O-(CH
2
CR′HO)T,L 是 CO(CH
2
)
p
每个 R 独立选自 R′、C
6
至 C
12
和 C
6
至 C
12
每个R′独立选自氢、C
1
至 C
12
的烷基和 C
6
至 C
12
E 是 C
1
至 C
12
的芳烃
6
至 C
12
从 C
6
至 C
12
从 C
6
至 C
12
m 为 1 至 20,n 为 0 至 2,p 为 0 至 10,q 为 0 至 3,r 为 1 至 20。用该聚合物制成物品,并用电离辐射对物品进行灭菌。
本发明还公开了用于该方法的新型稳定剂。