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l(f)ڣ[2010/6/29] [1451] |
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ЙC(j)߷͵Ĺܸ߷Ӳ, ^ɸˮԘ֬l(f)չa(chn)Ѓ(yu) ,džηN(jng)^(gu)W(xu)cԵ ˮԘ֬,ԷеHˮF(tun)(li)ˮЙC(j) տ՚ˮݵچΰo(w)C(j) ,_(d)70%,ٶ_(d)2mg/g min,ҟo(w)gȾ,[1~3],ЙC(j) ϵĮa(chn)Ʒʽ(ĩwl Ĥ)Ķ,mòͬđ(yng)È(chng)M㲻 ͬ
۱ϩϾcϩԪ(sh) ͬ(c)-cˮСOHF(tun) |(zh)(ȻwS|(zh)͵V)γɚI,a(chn) (qing)PAM^(qing),ʱ ЙC(j)߷ϵĆĿǰ(gu)(ni) ϴܲ͟o(w)ѭh(hun)c(din),ҟo(w) ϵy(tng)оЙC(j)߷ϵy(tng)о (xing)ۺϗl(du)PAMܵӰ,õۺϵ ^ѹˇ@(du)ٶȿo(w) gό(hu)ָ(do)x
2ԇ(yn)ԇ(yn)
2.1ԭ
ϩ(AM),AR,(x)W(xu)Ʒ ˾;c,AR,(x)W(xu)Ʒ˾; c:AR,(x)W(xu)Ʒ˾;^(gu) @,AR,S; N, N-pϩ (MBAA),AR,tǽǻW(xu)ƷS;׃ɫz(A ),u˾;ӺY(3A),B ˾;ҶPEG200,AR,Ϻ֖| S;̼}(CaCO3),AR,tǻS;ȥx ˮ
2.2ۺƂ
2.2.1PAMƂ
Ȱ䷽QõĆw(AM), ,μӽ(lin)MBAAl(f)[Na2SO4- (NH4)2S2O8]?jn)?ȻÆζȵNaOH Һ{(dio)(ji)pHԡQ,ȥxˮa(b)A(y)Ӌ(j) ,뷴(yng)Сڜˮг䵪,ٌ ˮԡз(yng)
2.2.2PAM/PEGƂ
Ӌ(j)õĆwAM,, μ뽻(lin)MBAAl(f)[ Na2SO4- (NH4)2S2O8],?jn)?ȻÆζȵNaOH Һ{(dio)(ji)pH,^¿ׄҶQ ,ȥxˮa(b)A(y)Ӌ(j)ڜˮг䵪 30minҺ,60з(yng) 4h
2.2.3PAM/ CaCO3Ƃ
Ӌ(j)õĆwAM,, μ뽻(lin)MBAAl(f)[ Na2SO4- (NH4)2S2O8],?jn)?ȻÆζȵNaOH Һ{(dio)(ji)pH,^¿ׄCaCO3Q ,ȥxˮa(b)A(y)Ӌ(j)ڜˮг䵪 30minҺ,60з(yng) 4hƷ0.1mol/L}Һ,ÿ3 Qδ}Һ,ֱȫϴCaCO3s ˮȥ,^Ka(chn)
Ϸ(yng)z(jng)ϴƬ(T= 120)^(gu)YƳɘƷ
2.3ܜy(c)ԇ
10gƷ,Q(zhn)_0.001 (r(sh)g5s,h(hun)ȡ50RH)Ʒ ںغ,_ʼÿ1hQ؆δ,ֱ ɴBm(x)Q^(gu)5mgr(sh)ԇ(yn)Y(ji) Ҏ(gu)(du)ȗl,ϵ ¹ʽӋ(j):
2.4.1Һ
Qȡ10g KBr,2.79g KBrO3,1000mlƿ ,ϡ̶ȼɡ
2.4.2y(c)E
(zhn)_Qȡ0.05g PAMƷ250mlĥF ƿ,msˮɵζܜ(zhn)_20ml Һ4~5ml 3mol/LҺ,ʎ ڰ̎2~3hȻ10ml 20%⻯Һ, u,0.05mol/Lc(bio)(zhn)Һζ Һؼtɫ׃?yu)\Sɫr(sh),0.2ml 0.5% Һ,^m(x)ζ{(ln)ɫʧKc(din)ͬr(sh)հ(sh)(yn) wD(zhun)(|(zh)%)XʽӋ(j):
0,y(c)PAMwD(zhun)ʾ 75%
3Y(ji)cӑՓ
3.1ԭ
D1,PAMʿڷӺYz, zͷӺY150minӽˮƽ,@f(shu) ˕r(sh)zͷӺY_(d)^(sh)ֵ^С @ڹzͷӺYڷǏz,ж ë(x)Y(ji)(gu),ȱe^,F(xin)^(qing), a(chn)Ҫԭǹwϵԭ(chng) ,б,ˮԽͱ
zкSiOI,SiOIε͝՚|, ĹԭӾͺˮ(yng)a(chn)u,@ǻW(xu) ˮ;,Ҳˮ,ڹzǷ z,(hu)Û,,@Ƽs zͷӺYֻͨ^(gu)(li) ,ԓ^(gu)ֻڱM(jn),o(w)B(ni),
PAM^(gu)̰ͻW(xu) ٶȿ,W(xu)ٶwξW(wng)j(lu) Y(ji)(gu),e(du)zͷӺYԱ^С, ʲS^(gu)^m(x)M(jn),Y(ji) l(f)W(xu),PAMˮڝB ,(hu)(ni)M(jn)НB,PAM ܵõô
ˮc܈F(tun)ͬ`ʽ,V J(rn)ɵǡB(ti)ˮģ[4],Y(ji)ˮ`ˮ ˮ,D2HˮF(tun)ˮĺȴs0. ~0.6nmеچΌӞԻF(tun)cˮγλ IIĽY(ji)ˮ,ڶں(chng)ˮ ӶнMɵ`ˮ,^ӵˮ PAMˮ(sh)^,ǹzͷӺY h(yun)ܼ,^Ҳ(hu)dz Vˮ;A鲻ˮ;B`ˮ;C ˮ
3.2(yng)l(du)ܵӰ
3.2.1wȌ(du)ܵӰ
ͬwƂľۺкܴ e(D3)w20%~26%֮g,Sw ,@,26%r(sh)_(d)^ֵ;(dng) w>26%r(sh),t½څ(sh)@?yn)w ĸ׃(du)ۺϮa(chn)Ľ(lin)Ⱥͷa(chn)Ӱ ¡ͨȵ,(lin)(yng)M(jn),a(chn)ķҲ (hu)ƫ,a(chn)(hu)ˮ,(do)ƫ͡w ^(gu)ߕr(sh),ۺϷ(yng)ķ(hu),ҽ(lin), Ķʹ½
3.2.2(lin)(du)ܵӰ
D4wMɱȲ׃׃(lin)õ (dng)(lin)C(j)0.12%r(sh),PAM^ (dng)(lin)0.12%r(sh),S(lin), ʕ(hu)@;(dng)(lin)0.12%r(sh),t෴ (j)P.J.Floryʽ,(lin),(lin)ܶ ,Ve/V0׃,ʹȿg(gu),ӾW(wng)j(lu) ׃С,(lin),ʽ͡෴,(lin) p,ӾW(wng)j(lu)׃,(lin)L(zhng),(du)
3.2.3غ(du)ܵӰ D5غ(du)PAMܵӰPAM SغӺpС,ں30% _(d)^ֵصļֹۺgl(f) (lin)a(chn)yͲ,γЧ SW(wng)j(lu)Y(ji)(gu),SغҲ ^(gu),ɷ½,ʹЧ F(tun)p,½
3.2.4ˮȌ(du)ܵӰ
D6ˮȌ(du)PAMʵӰˮ ȵIJͬ(do)ҺpHֵIJͬ,ҺpHֵ(du) PAMкܴӰ푡ڲͬpHֵl ,ۺϷ(yng)^Ka(chn)Ʒкܴ^(q)e
ɱ1֪,ˮȵӌ(do)ҺpHֵ PAMSҺpHֵ߶PAM AˮĆ(g)@c(din)xȻЧ(yng)(do) ˮⷴ(yng)ʬF(xin)Ч(yng),cPAMˮ ෴,Sˮȵˮ@ ׃@?yn)xF(tun) COO(du)H˻F(tun)OH-oų⽵ ֲh(hun)OH-Ч[5]
@NЧ(yng) ʹPAMAˮ,ˮ<20%r(sh),ˮʺ 졣ډAԭh(hun),L(zhng)(yng)EPSpHֵ ߶[6](dng)ۺҺpHֵ^,tw AMIװl(f)ˮؓ(f)늺,o늺g Ч(yng)ʹL(zhng)ɻĵĘ(gu)\(yn)(dng)l(f) ׃,(yng)L(zhng)L(zhng)(yng)EP, PAMSˮȵ߶
3.2.5ۺϜضȌ(du)ܵӰ
D7,^ѷ(yng)ضȞ50ҡۺϜض̫ ̫͌(du)a(chn)ܕ(hu)(li)ôӰ(j)(yng) (dng)W(xu),W(xu)(yng)ʳ(sh)c(yng)ضȴP(gun)ϵ ʽ:
3.2.6¿ׄ(du)PAMܵӰ
ķ^Dubinin[7],IUPAC {:<2nm;2~50nm֮gп;> 50nm¿ׄPAM,](mi)п (D8(a)),ҪHˮF(tun)cˮ ;W(wng)j(lu)(ni)ĝB(li)ˮ,ʲߡ
PEG¿ׄʹPAMγ˾ֲĴ (D8(b)),Чȱeõô;Ca- CO3¿ֻׄϡֲп(D8(c)) D9,PAM/PEGʱPAM50% ,Ҳ@;PAM/CaCO3 ЧQС^Ҫą(sh)DZ ,пĴںS̶ֱӰ푱ȱֵ, пČ^ΰӴöпc ӵÃHھ治h(yun)ľx(ni)[8],l(f) ηӌӻӌ
4TGA
PAM,PAM/PEGPAM/CaCO3TGA D10ʾPEG, PAM/PEGğ᷀(wn)Ա PAM;PAM/CaCO3ğ᷀(wn)Ԅt ?yn)PEG200c(din)^,PAM/PEG
5Y(ji)Փ
ȱeӰܵҪ(sh)֮PEG ¿ׄļ,ʹPAM/PEGϱF(xin)ο ,ܵõ^CaCO3¿Ч @,PAM/CaCO3ЧT =20RH=90%ly(c)ԇY(ji):o(w)Փ ߀ʿ,PAM@(yu)ڂy(tng) zͷӺY,ĶwF(xin)ЙC(j)߷ϵă(yu) ԽTGAPAM/PEGPAMğ᷀(wn) Խ,PAM/CaCO3ğ᷀(wn)ߡ
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