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DK2738189T3 - Amfifilt makromolekyle og anvendelse deraf - Google Patents

Amfifilt makromolekyle og anvendelse deraf Download PDF

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DK2738189T3
DK2738189T3 DK11869894.3T DK11869894T DK2738189T3 DK 2738189 T3 DK2738189 T3 DK 2738189T3 DK 11869894 T DK11869894 T DK 11869894T DK 2738189 T3 DK2738189 T3 DK 2738189T3
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formula
amphiphilic macromolecule
amphiphilic
molecular weight
structural unit
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DK11869894.3T
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Jinben Wang
Xiaohui Xu
Xuefeng Shi
Yuchun Han
Yilin Wang
Haike Yan
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Beijing Junlun Runzhong Science&Technology Co Ltd
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Claims (12)

1. Amfifilt makromolekyle, kendetegnet ved, at: det som gentagelsesenheder har en strukturenhed A til justering af molekylvægt, molekylvægtfordeling og ladningskarakteristika, en højt sterisk hindret strukturenhed B og en amfi-filisk strukturenhed C, hvilken højt sterisk hindret strukturenhed B omfatter en struktur G og en struktur med formel (4), hvor struktur G er en cyklisk car-bonhydridstruktur dannet på basis af to nærliggende carbonatomer i hovedkæden eller er udvalgt fra en struktur med formel (3):
hvor, i formel (3), R5 er H eller en methylgruppe, fortrinsvis H; R6 er et radikal udvalgt fra gruppen bestående af strukturerne med formel (5) og formel (6):
i formel (5), a er et heltal fra 1 til 11, i formel (4), R7 er H; Rs er udvalgt fra gruppen bestående af H, -S03H og salte deraf,
N+(CH3)2(CH2)aCI-l32Cr; ξ og σ er henholdsvis heltal fra 1 til 15; og den amfifile strukturenhed C har en struktur med formel (8):
i formel (8), R9 er H eller en methylgruppe; Rio er -N+(CH3)2(CH2)rCH3X', -N+((CH2)sCH3)3X- eller -N+(CH3)((CH2),CH3)2X-; r er et heltal fra 3 til 21; s er et heltal fra 2 til 9; t er et heltal fra 3 til 15; og X- er Cl' eller Br\
2. Amfifilt makromolekyle ifølge krav 1, kendetegnet ved, at strukturenhed A til justering af molekylvægt, molekylvægtfordeling og ladningskarakteristika omfatter en (meth)acrylamidmonomerenhed Ai og/eller en (meth)acrylmonomerenhed A2.
3. Amfifilt makromolekyle ifølge krav 2, kendetegnet ved, at, baseret på 100 mol-% af alle gentagelsesenhederne af det amfifile makromolekyle, er molprocentdelen af (meth)acrylamidmonomerenhed Ai 70-99 mol-%; og molprocentdelen af (meth)acrylmonomerenhed A2 er 1-30 mol-%.
4. Amfifilt makromolekyle ifølge krav 1, kendetegnet ved, at, baseret på 100 mol-% af alle gentagelsesenhederne af det amfifile makromolekyle, er molprocentdelen af struktur G 0,02-2 mol-%; og molprocentdelen af strukturen med formel (4) er 0,05-5 mol-%.
5. Amfifilt makromolekyle ifølge krav 1, kendetegnet ved, at, baseret på 100 mol-% af alle gentagelsesenhederne af det amfifile makromolekyle, er molprocentdelen af strukturen med formel (8) 0,05-10 mol-%.
6. Amfifilt makromolekyle ifølge krav 1, kendetegnet ved, at, strukturenhed A til justering af molekylvægt, molekylvægtfordeling og ladningskarakteristika har en struktur med formel (21:
hvor, i formel (2), Ri er H eller en methylgruppe; R2 og R3 uafhængigt er udvalgt fra gruppen bestående af H og en CrC3-alkylgruppe; R4 er udvalgt fra gruppen bestående af H og en methylgruppe; Gr er -OH eller -0'Na+; m og n betegner molprocentdelene af strukturenhederne i det totale amfifile makromolekyle, og m er fra 70 til 99 mol-%; n er fra 1 til 30 mol-%.
7. Amfifilt makromolekyle ifølge krav 1, kendetegnet ved, at, den cykliske carbonhydridstruktur dannet på basis af to nærliggende carbonatomer i hovedkæden er udvalgt fra gruppen bestående af:
8. Amfifilt makromolekyle ifølge krav 1, kendetegnet ved, at den højt sterisk hindrede strukturenhed B har en struktur med formel (7):
hvor, i formel (7), definitionen på G er som beskrevet i krav 1; definitionerne på R7 og Rs er beskrevet i formel (4); henholdsvis x og y betegner molprocentdelene af strukturenhederne i det totale amfifile makromolekyle, og x er fra 0,02 til 2 mol-%, y er fra 0,05 til 5 mol-%.
9. Amfifilt makromolekyle ifølge krav 1, kendetegnet ved, at det amfifile makromolekyle har en struktur med formel (9):
hvor, i formel (9), R4 er udvalgt fra gruppen bestående af H og en methyl-gruppe; m og n betegner molprocentdelene af strukturenhederne i det totale amfifile makromolekyle, og m er fra 70 til 99 mol-%; n er fra 1 til 30 mol-%; definitionerne på G, R7, R8, x og y er som beskrevet i formel (7); definitionerne på R9 og Rio er som beskrevet i formel (8); z betegner molprocentdelen af denne strukturenhed det totale amfifile makromolekyle, og z er fra 0,05 til 10 mol-%.
10. Amfifilt makromolekyle ifølge krav 1, som er en forbindelse af formlerne (l)-(X):
!
/ ! i
11. Amfifilt makromolekyle ifølge et hvilket som helst af kravene 1 til 10, kendetegnet ved, at det har en molekylvægt på mellem 1000000-20000000.
12. Anvendelse af det amfifile makromolekyle ifølge et hvilket som helst af kravene 1 til 10 ved oliefeltboring, brønd-cementering, frakturering, opsamling og transport af råolie, spildevandsbehandling, slambehandling og papirfremstilling som forstærket olieproduktionsmiddel og oliefortrængningsmiddel, middel til reduktion af viskositeten af tung olie, fraktureringsfluid, lerstabilisator, spildevandsbehandlingsmiddel, fastholdelseshjælpemiddel og afvandingshjælpemiddel og forstærkningsmiddel til papirfremstilling.
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