Putty foda - hydroxypropyl methylcellulose

1. Menene manyan alamun fasaha na hydroxypropyl methylcellulose (HPMC)?

Abun ciki na Hydroxypropyl da danko, yawancin masu amfani sun damu da waɗannan alamomi guda biyu. Wadanda ke da babban abun ciki na hydroxypropyl gabaɗaya suna da mafi kyawun riƙe ruwa. Wanda ke da babban danko yana da mafi kyawun riƙe ruwa, in mun gwada da (ba cikakke ba), kuma wanda ke da ɗanko mai ƙarfi ya fi amfani da turmi siminti.

2. Menene babban aikin aikace-aikace na HPMC a cikin putty foda?

A cikin sa foda, HPMC yana da ayyuka uku na thickening, riƙewar ruwa da ginawa.

Kauri: Za a iya kauri cellulose don dakatarwa da kuma kiyaye maganin daidai sama da ƙasa, da tsayayya da sagging. Riƙewar ruwa: sanya foda ta bushe a hankali, kuma ta taimaka wa ash calcium don amsawa ƙarƙashin aikin ruwa. Gina: Cellulose yana da sakamako mai lubricating, wanda zai iya sa foda na putty yana da kyakkyawan gini.

3. Shin akwai wata dangantaka tsakanin digo na putty foda da HPMC?

Asarar foda na putty foda yana da alaƙa da ingancin ash calcium, kuma ba shi da alaƙa da HPMC. Abubuwan da ke cikin calcium na calcium mai launin toka da rabon CaO da Ca (OH) 2 a cikin launin toka ba su dace ba, wanda zai haifar da asarar foda. Idan yana da wani abu da HPMC, to, rashin isasshen ruwa na HPMC zai haifar da asarar foda.

4. Menene adadin hydroxypropyl methylcellulose (HPMC) a cikin sa foda?

Adadin HPMC da aka yi amfani da shi a aikace-aikacen aikace-aikacen ya bambanta dangane da yanayi, zafin jiki, ingancin ash ash na gida, dabarar foda mai ɗorewa da 'ingancin da abokan ciniki ke buƙata'.

5. Menene madaidaicin danko na hydroxypropyl methylcellulose (HPMC)?

Gabaɗaya, yuan 100,000 na foda ya isa, kuma buƙatun turmi sun fi girma, kuma ana buƙatar yuan 150,000 don amfani cikin sauƙi. Bugu da ƙari, mafi mahimmancin aikin HPMC shine riƙe ruwa, wanda ya biyo baya tare da kauri. A cikin foda mai sanyawa, idan dai riƙewar ruwa yana da kyau kuma danko yana da ƙasa (70,000-80,000), yana yiwuwa kuma. Tabbas, mafi girman danko, mafi kyawun riƙewar ruwa. Lokacin da danko ya wuce 100,000, danko ba shi da wani tasiri akan riƙe ruwa. babba.

6. Yadda za a zabi hydroxypropyl methylcellulose (HPMC) mai dacewa don dalilai daban-daban?

Aikace-aikace na putty foda: buƙatun suna da ƙananan, danko shine 100,000, ya isa, abu mai mahimmanci shine kiyaye ruwa da kyau. Aikace-aikacen turmi: babban buƙatu, babban danko, 150,000 ya fi kyau, aikace-aikacen manne: ana buƙatar samfuran nan take, babban danko.

7. Aikace-aikacen HPMC a cikin foda, menene dalilin kumfa a cikin foda?

A cikin sa foda, HPMC tana taka rawa uku na kauri, riƙe ruwa da gini. Kada ku shiga cikin kowane hali. Dalilan kumfa:

1. Sanya ruwa da yawa.

2. Lokacin da kashin ƙasa bai bushe ba, an goge wani Layer a saman, kuma yana da sauƙi don kumfa.