Focus on Cellulose ethers

Koodhka soocidda ether cellulose iyo shuruudaha farsamada

Cellulose waa kheyraadka dabiiciga ah ee dib loo cusboonaysiin karo ee ugu badan adduunka. Waxay ka timaadaa dhirta dhulka cagaaran iyo kuwa badda hoostiisa mara waana qaybta ugu muhiimsan ee gidaarada unugyada fiber-ka ee dhirta. Marka laga reebo xaddi yar oo bakteeriyada xayawaanka ah iyo noolaha badda, cellulose inta badan waxay ku jirtaa dhirta cagaaran. Iyadoo loo marayo photosynthesis, dhirtu waxay soo saari kartaa 155Gt cellulose sannadkii, taas oo 150Mt ay ka timaaddo dhirta sare; cellulose saxarka alwaax wuxuu ku saabsan yahay 10Mt; cellulose suuf 12Mt; kiimikaad (darajada) 7Mt ee cellulose, halka xaddi badan oo alwaax ah (qiyaastii 500Mt ee cellulose) weli loo isticmaalo sida shidaalka ama maro.
cellulose dabiiciga ah way kala duwan tahay daahirnimada. Cudbigu waa fiber-ka dhirta oo leh maadada cellulose-ka ugu sarraysa ee dabiiciga ah, waxa ku jira cellulose-ku inta badan waa ka sarreeyaa 95%. Dharka suufka dheer ayaa dhaqan ahaan loo isticmaalaa soo saarista dunta. Fiberka gaaban waxaa loo yaqaannaa saxarka linter, kaas oo ah walxo ceeriin ah oo muhiim u ah wax soo saarka warshadaha ee asal ahaan cellulose.

Waxyaabaha kooxda

heerkulka jel°C

magaca code

Mawduuca methoxy

%

Waxa ku jira Hydroxypropoxy

%

28.0-30. 0

7.5-12.0

58. 0-64. 0

E

27.0-30. 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

 

mashruuc

shuruudaha xirfadaha

MC

HPMC

HEMC

HEC

E

F

J

K

Dibadda

Caddaan ama budo huruud ah oo fudud, ma jiraan qaybo aan fiicneyn iyo wasakh

Wanaag/% W

8.0

Luminta qallajinta /% W

6.0

Sulfated Ash/% W

2.5

10.0

viscosity mPa • s

Calaamadee qiimaha viscosity (-10%, +20%)

qiimaha pH

5.0〜9. 0

Gudbinta/%,

80

heerkulka jel/°c

50.0〜55. 0

58.0〜64. 0

62.0-68. 0

68.0 ilaa 75. 0

70. 0-90. 0

N75.0

 
Qiimaha viscosity ayaa lagu dabaqaa viscosities inta u dhaxaysa 10000 mPa・s〜1000000mPa - sbetween cellulose ethers

 

mashruuc

shuruudaha xirfadaha

MC HPMC HEMC

HEC

Haysashada biyaha/%

90.0

Sibidhka qiimaha/nmiW

0.5

Farqiga wakhtiga ugu dambeeya ee xinjirowga/minW

360

 

Saamiga Xoojinta Curinta Cunista/% N

100

 


Waqtiga boostada: Febraayo-14-2023
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