Hydroxyyeryl selile na Ethyl selile

Hydroxyyeryl selile na Ethyl selile ni ibintu bibiri bitandukanye. Bafite ibiranga ibi bikurikira.

Hydroxyyeryl selile

Nkibintu bitari uonactant, usibye kubyimba, guhagarikwa, guhora, gukwirakwiza film, guhorana amazi no gutanga imitungo ikurikira:

1. Hec irashonje mumazi ashyushye cyangwa akonje, kandi ntabwo acisha ubushyuhe bwinshi cyangwa guteka, kuburyo bifite ibintu byinshi byo kwikebana no gukomera, hamwe nibinyamwe bitari ubushyuhe;

2. Abatari Ionic ubwayo barashobora kubana nindi mazi menshi yo gushonga amazi, abasiwe hamwe ninyunyu, kandi ni colloidal nziza ya colloidal irimo ibisubizo byibanze bya electrolyte;

3. Ubushobozi bwo kugumana amazi ni byinshi byikubye kabiri bya Methyl selile, kandi bifite amategeko meza;

4. Compared with the recognized methyl cellulose and hydroxypropyl methyl cellulose, the dispersing ability of HEC is the worst, but the protective colloid has the strongest ability.

Ethyl selile

Nibintu bitari uonic ether bidahujwe namazi mumazi ariko ndumiwe mubintu bya kama. Ifite ibiranga bikurikira:

1. Ntabwo byoroshye gutwika.

2. Umutekano mwiza cyane hamwe nubutaka bwiza.

3. Nta biryo bihindura izuba.

4. guhinduka neza.

5.

6. Ifite imbaraga nziza alkali na aside ikomeye acide.

7. Imikorere myiza yo kurwanya imyaka.

8. Kurwanya neza umunyu, gukonja no kwikuramo ubukonje.

9. Gihamye kumiti, kubika-igihe kirekire nta kwangirika.

10. Bihuye nibisohoka byinshi no guhuza neza na plastistizers yose.

11. Biroroshye guhindura ibara mubihe bikomeye bya alkaline nubushyuhe.