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[化学分析] Restriction on Nonylphenol & NPEOs in Textiles

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发表于 2009-3-6 14:13:00 | 显示全部楼层 |阅读模式
1.What are they used for? 相關用途
* F4 @3 L. w& t" u! g" u( P( ~5 ?0 P
Alkylphenols (APs) and alkylphenol ethoxylates (APEOs) are auxiliary chemicals used in different industries. They
4 [' ?. ^) P4 F0 ~' B3 T2 b( [: S$ iare good emulsifiers and wetting agents and thus have been used widely in different industrial cleaning systems ; ]. q+ y6 G2 t" x; n7 `/ Z
such as textile and leather processing, pulp and paper manufacturing, metal working, and agriculture. They are 0 D! ]1 @2 i/ R7 T# F
also used as domestic cleaning agents and co-formulants in pesticides and biocides.
3 t- [0 |3 n; `' e; yIn particular, NP and NPEO (under the family of APs and APEOs respectively) are extensively used as detergent ' ?- ^' ~1 L. o! r9 L) N% W/ d/ d
auxiliaries in scouring and bleaching process of fibres for removing the fibres impurities such as wax, seed, etc in : e: B1 @( c) \5 o4 W
textile wet processing.
& ^3 k. _% z8 r# `$ v烷基酚(APs)和烷基酚乙氧基化物(APEOs)在不同工業中常用作輔助化學 8 A7 |+ Z7 O- a) f" K7 q5 }" }
劑。它們是良好的乳化劑和潤濕劑,因此它們被廣泛地用於不同的工業洗滌過程
# p: r1 ^) W( u- ~5 o$ x4 @中,如紡織和皮革加工、紙漿和造紙加工、金工和農業等。它們亦會用於家庭洗 ) ?$ l9 a4 t) N/ R3 N9 P
滌劑中,以及殺蟲劑和除生物劑的處方。
& E3 E% n' ^& D# K: ?9 E在紡織品的濕處理過程中,壬基酚(NP)和壬基酚乙氧基化物(NPEOs)(分別 2 h/ S" F% p# y# K) l& l7 M
屬於烷基酚(APs)族和烷基酚乙氧基化物(APEOs)族),主要被用作洗滌劑 , F' k5 S7 B) w* V: \
的助劑,在纖維的清洗及漂白過程中,用以去除如蠟、籽屑等雜物。
2 V0 a* c0 R" b
0 ?$ E! v3 t. a' v2 Y5 c* E2.What are the problems? 相關問題 + L# n3 X9 e4 q0 @2 J# ~! w
; t; w( i. C% C. a* R+ R+ E
Since APs and APEOs are non-biodegradable, they cause severe environmental problems when they are released 9 {. T' v" e/ i3 q
to the environment as discharges or emissions. They are potent endocrine disrupters to the aquatic environment : D. s) J6 W- Y" |, L6 s  y
and can cause feminisation in male fish. As a result, the fertility or reproductive capability of the fish is reduced
' }- ^* v1 I( K1 _& kand populations are in danger of shrinking.
8 ^; a1 J% h2 f( ]: b由於烷基酚(APs)和烷基酚乙氧基化物(APEOs)是不能被生物降解的,因此,當它們被排放或釋放到環境 2 f. l3 A: ~- h  P
中時,便會引發嚴重的環境問題。對水質生態來說,他們是烈性的內分泌破壞者,能導致雄魚雌性化。結果是 4 J/ o4 X% [6 l: U
魚的生產力或繁殖率下降,從而使魚的種群有減少的危機。 # s2 I5 S( i& u$ B
, ~7 a0 [" X4 ~& A
3.What are the measures? 相關措施 0 b; o6 B/ s, \  o' r6 ^

+ c+ @+ x# t3 R2 iWithin the Directive 2003/53/EC published on 18 June 2003, it was added to the Directive 76/769/EEC ( J6 K3 i8 E1 w; Y
restrictions on the marketing and use of the nonylphenol (NP) and nonylphenol ethoxylate (NPEOs) summarized as 3 R- j! l' V4 [1 c5 I8 [
below: 4 d; z( U7 q( D" \
By 17 January 2005, except for pesticides or biocides which have been granted by existing national : f' z& V$ D) Q5 k2 R# W+ G: e  ?2 d
authorizations the use of NPEOs as a co-formulant, nonylphenol & nonylphenol ethoxylate may not be used in
2 J" [! {  z( @7 ~9 f4 R4 zconcentrations equal or higher than 0.1% (equivalent to 1,000ppm) by mass for the following purposes:
) N  W" R" X" ]- `! M3 m• industrial and institutional cleaning except those systems where the washing liquid is recycled or incinerated;
. c/ a/ x$ q& Y! I* _9 G! y+ S• domestic cleaning; 9 I7 }* j# `2 F, P* [# E
• textiles and leather processing except those without release into waste water or those with special treatments $ g3 o. j2 s9 k! t6 o$ `2 V: }
to remove the organic fraction completely prior to the release;
6 X0 j- Y9 c. q4 i: Y; k' m• emulsifier in agricultural teat dips;
3 j6 P% `% \0 K; }  e- T4 x• metal working except those systems where the washing liquid isrecycled or incinerated;
# J6 p8 p! l8 H+ \3 y: U" {8 a% t- k. j( p• manufacturing of pulp and paper; 7 |2 {8 j+ O. ]$ W* B
• cosmetic products; 5 E* x* v: A6 [8 o9 k
• other personal care products except spermicides;
/ D; A# }- ]4 @. S2 Z+ Q• co-formulants in pesticides and biocides. 2 f, d: f2 l0 v. G" c
2003年6月18日發佈的2003/53/EC指令已經加進76/769/EEC指令中,該指令限制銷售和使用壬基酚
4 _4 I. P( i3 r0 a) p( F1 h(NP)和壬基酚乙氧基化物(NPEOs),概述如下:
! ?% b( {+ n* }+ f1 e1 x4 p8 ~從2005 年1 月17 日起,除了已被國家授權准予使用NPEOs 作為處方的殺蟲劑和除生物劑外,用於下列目的壬 % `% s1 q8 l" L8 i
基酚(NP )和壬基酚乙氧基化物(NPEOs )的質量比濃度不可等於或高於0.1% (相當於1,000ppm ): 0 H% K" u/ D4 a. Y& ]; @5 P% @
• 工業和公共清潔,備有洗滌液再循環或焚化的系統除外;
6 O- G6 K5 M5 e• 家庭清潔; % M: n$ L; d/ N5 w+ l" e
• 紡織品和皮革加工,不排放到廢水或在排放前經過特殊處理而完全除去了有機物的除外;
8 G  e  V/ J/ ~. d8 R) j• 農用乳頭消毒液的乳化劑; 7 w3 G' ^) w1 ]0 z7 ]! ]& \
• 金工, 備有洗滌液再循環或焚化的系統除外;   k' }% U! D* R7 L# l2 n; p
• 紙漿和造紙加工;
: E. v4 e; P- s• 化妝品;
" E. C2 Z! x. y/ U* a• 其他個人護理用品,殺精劑除外; 1 o4 f# O- H0 H
• 殺蟲劑和除生物劑的處方。
; l2 F' m+ F6 M) C# ?来源:STC 李昊鹏
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