A. Te paura taherapa tukurua
Inenga 1-5%
whakamāramatanga rauemi:
Ko te paura kapia thermoplastic ka whiwhi ma te rehu-whakamaroke i te whakaehunga polymer teitei me te tukatuka o muri.
Nga momo matua:
1. Vinyl acetate me te ethylene copolymer paura (VAC/E)
2. Terpolymer rapa paura o te ethylene, vinyl chloride me te vinyl laurate (E/VC/VL)
3. Terpolymer rapa paura o te vinyl acetate, ethylene me te waikawa ngako teitei ester vinyl (VAC/E/VeoVa)
Whakamahinga āhuatanga:
1. Whakanuia te whakakotahitanga (te hanga kiriata)
2. Whakanuia te whakakotahitanga (hononga)
3. Whakanuia te ngawari (ngawari)
B. Cellulose ether
Inenga 0.03-1%, pokey 2000-200,000 Mpa.s
whakamāramatanga rauemi:
He mea hanga mai i te muka maori na roto i te whakakore alkali, te tauhohenga grafting (etherification), te horoi, te whakamaroke, te huri me etahi atu tukanga.
Nga momo matua:
1. Methyl hydroxyethyl cellulose ether (MC)
2. Methyl hydroxypropyl cellulose ether (MC)
3. Konutai carboxymethyl cellulose (CMC)
Whakamahinga āhuatanga:
1. Te pupuri wai
2. Whakamatotoru
3. Whakapai ake i te kaha here
4. Whakapai ake i nga mahi hanga
C. Etere māngaro
Inenga 0.01-0.1%
whakamāramatanga rauemi:
Ka taea te pa ki te rite o nga moata i runga i te gypsum/ciment me te kotakota / huri i te kaha o te mahi me te aukati o te morta.
Nga momo matua:
He maha nga wa e whakamahia ana me te cellulose ether
Whakamahinga āhuatanga:
1. Matotoru
2. Whakapai ake te hanga
3. Anti-sagging
4. Atete paheke
D. Te paura hydrophobic
Inenga 0.2-0.3%
whakamāramatanga rauemi:
polymers i runga i te Silane
Nga momo matua:
1. Nga tote whakarewa waikawa ngako
2. Te paura rapa Hydrophobic Hydrophobic/hydrophobic
E. muka kapiti-ātete
Inenga 0.2-0.5%
whakamāramatanga rauemi:
Hangaia ki te polystyrene/ polyester hei rauemi mata matua ki roto i tetahi momo hou/ muka-atete-a-te-wau mo te raima me te moata/ka kiia ko te "whakakaha tuarua" o te raima.
Nga momo matua:
1. Te muka karaehe alkali-atete
2. muka Vinylon (muka PVA)
3. Te muka polypropylene (te muka PP)
4. muka kiriaku (muka PAN)
Whakamahinga āhuatanga:
1. Kapiti ātete me te whakapakeke
2. Atete ru
3. Whakatio me te whakamaroke
F. Te muka rakau
Inenga 0.2-0.5%
whakamāramatanga rauemi:
Ko te muka maori kaore e rewa i roto i te wai me te whakarewa pararopi/te tino ngawari/te marara
Nga momo matua:
Ko te roa o te muka rakau ko te 40-1000um/ ka taea te whakamahi i te kumete paura maroke
Ngā āhuatanga
1. Kapiti ātete
2. Whakanui
3. Anti-iri
G. He kaihoko whakaheke wai
Inenga 0.05-1%
He taapiri ka taea te whakaiti i te nui o te whakaranu wai i raro i te ahua o te pupuri i te rite tonu o te moata.
1. He kaihoko whakaheke wai noa
2. Te whakaheke wai teitei
3. Superplasticizer kaha wawe
4. Te whakamuri i te superplasticizer
5. Whakaiti wai whakaahuru hau
Te whakaroa i te superplasticizer tino kaha Whakaitihia te kai wai/whakanuia te kiato o te kumete/raima.
H. Whakakore
Inenga 0.02-0.5%
Awhina ki te tuku mirumiru hau i mau i te wa o te ranu moata me te hanga/whakapai ake i te kaha compressive/whakapai ake i te ahua o te mata
1. Nga polyols
2. Polysiloxane (1. to burst the foam; 2. to prevent the regeneration of the foam)
I. Kaitohu kaha moata
Inenga 0.3-0.7%
te pāmahana iti te coagulant wawe
whakatakotoranga konupūmā
Whakaterehia te tere whakamaroke sima, whakapai ake i te kaha moata
J. Te waipiro polyvinyl
He matū here hanga kiriata wai-wairewa
Te paura waipiro polyvinyl
PVA 17-88/PVA 24-88
1. Te here
2. Te hanga kiriata
3. He pai te aukati wai
Ka whakamahia mo te putty pakitara o roto me waho, kaihoko atanga, etc.
Te wa tuku: Maehe-23-2023