Focus on Cellulose ethers

Lambar rarraba ether na Cellulose da buƙatun fasaha

Cellulose shine mafi yawan albarkatun da ake sabunta su a duniya. Ya fito ne daga korayen shuke-shuken ƙasa da na karkashin ruwa kuma shine babban bangaren ganuwar fiber cell. Sai dai ƴan ƙananan ƙwayoyin cuta na dabba da ƙwayoyin da ke cikin teku, cellulose ya fi kasancewa a cikin tsire-tsire masu kore. Ta hanyar photosynthesis, tsire-tsire na iya haɗa 155Gt cellulose a kowace shekara, wanda 150Mt ya fito daga tsire-tsire masu girma; itace ɓangaren litattafan almara cellulose ne game da 10Mt; cellulose auduga 12Mt; chemical (grade ) 7Mt na cellulose, yayin da babban adadin itace (kimanin 500Mt na cellulose) har yanzu ana amfani da shi azaman man fetur ko zane.
Halitta cellulose ya bambanta a cikin tsabta. Auduga shine fiber na shuka tare da mafi girman abun ciki na cellulose a cikin yanayi, kuma abun cikin cellulose yana yawanci sama da 95%. A al'adance ana amfani da dogayen auduga wajen samar da masaku. Ana kiran ɗan gajeren fiber na Linter pulp, wanda shine muhimmin kayan da ake samarwa na masana'antu na samfuran cellulose.

Abun cikin rukuni

gel zafin jiki°C

sunan code

Methoxy abun ciki

%

Abun ciki na Hydroxypropoxy

%

28.0-30. 0

7.5-12.0

58.0-64. 0

E

27.0 zuwa 30. 0

4. 0-7.5

62.0-68. 0

F

16.5-20.0

23.0-32.0

68.0 ~ 75. 0

J

19.0-24. 0

4. 0-12. 0

70.0-90. 0

K

 

aikin

bukatun basira

MC

HPMC

HEMC

HEC

E

F

J

K

Na waje

Fari ko haske rawaya foda, babu bayyanannun barbashi da ƙazanta

Lafiya/% W

8.0

Asarar bushewa /% W

6.0

Sulfated Ash/% W

2.5

10.0

danko mPa • s

Alama darajar danko (-10%, + 20%)

pH darajar

5.0-9. 0

aikawa/%,

80

gel zafin jiki / ° c

50.0 ~ 55. 0

58.0 ~ 64. 0

62.0-68. 0

68.0 ~ 75. 0

70.0-90. 0

N75.0

 
Ƙimar danko tana aiki don danko a cikin kewayon10000mPa・s〜1000000mPa - sbetween cellulose ethers

 

aikin

bukatun basira

Farashin MC HPMC HEMC

HEC

Riƙewar ruwa/%

90.0

Slip darajar/nmiW

0.5

bambancin lokacin coagulation na ƙarshe/minW

360

 

Rabon Ƙarfin Ƙarfin Ƙarfafawa /% N

100

 


Lokacin aikawa: Fabrairu-14-2023
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