Kushandisa hot melt adhesive sticks munzvimbo dzakaderera tembiricha

Thehot melt stickichaparadzwa nekudzika kwakadzika, iyo interface ichaparadzwa, inonamira layer ichaparadzwa, uye musanganiswa uchaparadzwa. Saka, pane tembiricha yakaderera, iyo inopisa yakanyunguduka glue stick ingashanda zvakajairwa?

Interfacial kukuvara kunoreva kusakwana kwekunamatira pakati pekumanikidza-sensitive adhesive uye pamusoro peinamira. Kukundikana kwekunamatira kunokonzerwa nekubatana kwakaderera kwekumanikidzika kwekumanikidza. Kana simba rikaiswa, iyo inonamira layer pachayo inoparadza masara enzvimbo anonamira panzvimbo yekunamatira.

Kazhinji, sezvo tembiricha inodzikira, mutemo wekushanduka kwePSA kukundikana unobva pakukundikana kwechisungo chekubatanidza kusvika pakukundikana kweiyo yakasanganiswa layer, uye pakupedzisira kutadza kwechimiro.

 

Zvikonzero zvikuru zvinotevera

 

1: Pakadzika tembiricha, iyo molecular movement yekumhanya yekumanikidza-sensitive adhesive inononoka, uye inonetsa kupinda nekukurumidza. Zvichakadaro, kana modulus ye-pressure-sensitive adhesive inowedzera pasi pekumanikidzwa kwakafanana, deformation yeadhesive idiki, iyo inoshanda yekubata nzvimbo idiki pane iyo yekudziya kwekamuri, uye simba rekunamatira rakaderera.

 

2: Sechigadzirwa chepolymer, kusungirirwa-kunamira kunoda nguva yakakwana yekufamba kwayo kwema molecular. Zvakajairika zvinoda kuchengetwa patembiricha yakakodzera kwemaawa makumi manomwe nemaviri. Iko kusungirirwa kwesimba rekumanikidzika-sensitive adhesive uye nzvimbo yekubatanidza inogona kusvika kune iyo yakakodzera yekubatanidza simba. Tembiricha zvakare chinhu chakakosha mukuita uku. Molecular motion inononoka pane tembiricha yakaderera kuti ivake simba. Nguva yekuda inowedzerawo maererano.

 

Iyo ambient tembiricha yeakawanda anoteedzera anomisikidza anonamatira ari pazasi peyakajairika tembiricha yekumanikidza inonamira. Ichi ndicho chikonzero chikuru chekukundikana kwenhamba yakawanda yekumanikidzika inonamatira adhesives munguva yechando. Nekumanikidza anonamira anonamatira ekushandiswa kwechando, sarudza yakaderera tembiricha inonamira yechando bonding kugadzirwa. Iyo glue ichiri kuchengetedza kugona kufambisa mamorekuru pane yakadzika tembiricha kuti ive nechokwadi chekuita kwakadzika tembiricha.