PTFE High-Temperature Adhesive Tape hmanga Repeated Adhesion Performance tihchangtlun dan

PTFE high-temperature tape hi vawi tam tak lak chhuah leh hnawih leh ngai application-ah hman a ni fo thin – changeover laiin heat sealer-ah te, 3D printer bed-ah te, electronics assembly-a temporary masking atan te. Mahse, cycle tlemte hnuah tape tam tak chuan tack an hloh a, residue an hnutchhiah emaw, an bond thei lo emaw a ni.

Thu lawmawm: reusability hi dimension pali huam chhunga coordinated upgrades hmangin nasa takin tihchangtlun theih a ni: adhesive formulation , substrate treatment , backside coating design , leh proper operation & maintenance.

Aokai PTFE chuan heng principle hmang hian reusable PTFE tapes an siam chhuak a ni. He kaihhruaina hian dimension tinte chu chipchiar takin a sawifiah a ni.

Adhesive Formulation Optimization – A bulpui ber chu a ni

Adhesive ngei hi hman nawn theihna tur tichiangtu ber a ni. Formulation strategy pali hian repeated adhesion performance a ti tha zawk.

1. Cohesive strength leh crosslink density tihchangtlun

High-polymerization-degree silicone gum hmang la, crosslinking site tihpun la, adhesive layer chu elastic solid-ah a chantir ang. Hei hian peeling repeated laiin tearing emaw adhesive transfer emaw a veng a, glue layer self-loss a ti tlem bawk. Adhesive crosslink tha tak chu a chhungah a inthen ai chuan a peel fai zawk.

2. Silicone migration formula hniam tak a awm

hmang la Platinum-catalyzed addition curing system , molecular-weight hniam thilte chu uluk takin paih chhuak rawh. Hei hian small-molecule silicone oil exudation a titawp a, chu chuan adhesive surface a ti bawlhhlawh a, continuous viscosity attenuation a veng bawk. Low-migration adhesives hian cycle tam takah an original tack chu an vawng reng thin.

3. Repositionable adhesion atan microphase structure siam a ni

MQ silicone resin dah la, a nih loh leh interpenetrating polymer network siam la, hard segment–soft segment microphase separation siam rawh :

• Hard segments – residual glue transfer do turin cohesion a pe

• Segment nem tak tak – tackiness pe thei

Viscosity thenkhat chu a chung atanga leivut tihfai hnuah a la let leh thei a ni. He 'repositionable' characteristic hi assembly laiin adjustment tam tak mamawh application tan a tha hle.

4. Tui hmanga silfai theih tur modified adhesive

Adhesive chunglam chu leivut a tihbawlhhlawh hnuah, he modified silicone adhesive hi tui thianghlim emaw, mild solvent emaw hmangin silfai theih a ni a, 90% aia tam a nei leh thei a ni. a vawt hnuah a original tack Hei hi cleanroom emaw electronics application-ah chuan bawlhhlawh paih theih lohna hmunah a hlu hle.

PTFE Substrate leh Adhesive Layer inkara Anchoring Force tihchak

PTFE hian ultra-low surface energy (18-20 dynes/cm) a nei a, hei hian awlsam takin full adhesive transfer a thlen thei a – adhesive layer pumpui chu backing atanga a chhuak vek a – dedicated treatment tel lovin.

1. Substrate chunglam activation

PTFE fiberglass fabric-ah neih a chemical etching sodium-naphthalene complex emaw plasma treatment emaw hmanga , polar group C=O leh -OH te luhtir a, adhesive leh substrate inkara chemical bonding emaw mechanical interlocking chak tak emaw siam theih a ni. Hei hian adhesive chu lakchhuah laiin a backing atanga a peel off loh nan a veng a ni.

2. Primer coating bik siam a ni

Adhesive coating hmain reactive primer hnawih la, chemical bridge siam la, anchoring failure chu a bo vek ang. PTFE leh silicone adhesive inkarah Primer hian molecular link angin hna a thawk a, activated PTFE surface leh silicone PSA te nen a bonding vek a ni.

Aokai PTFE hian proprietary primer system a hmang a, hei hian 10+ removal cycle hnuah pawh backing-ah adhesive transfer zero a siam thei a ni.

Backside (Release Surface) hmanga enkawl dan tur siam that

PTFE backside hian natural takin release performance a pe a, chutih rualin winding leh unwinding nawn leh hian friction leh micro-tearing hmangin adhesive surface chu a la tichhia tho tho.

1. Release performance tihchangtlun back coating

extra high-crosslink-density fluorosilicone emaw silicone release layer emaw hnawih la. PTFE hnung lamah hian Temperature sang leh hun rei tak chhunga compression hnuaiah unwinding force nghet tak a vawng reng a, hman nawn hmain surface fiber pulling leh adhesive layer tihchhiat a veng thei a ni.

2. A hnunglam chu embossed emaw micro-structured emaw a ni

Back layer leh adhesive surface inkara contact area tak tak chu tihtlem la, peeling laiin glue-a instantaneous destructive force tihhniam rawh. He micro-textured surface hian adhesive tear thei 'stick-slip' effect chu a ti tlem hle.

Hman dan leh enkawl dan tur kaihhruaina

Engineer tha ber tape pawh a hman that loh chuan a chhiat hma hle ang. Practice dik tak chuan reusability nasa takin a tizau a ni.

1. Adhesive surface active taka tihfai

Viscosity tlahniam hi lei chung leivut bawlhhlawh vang a ni ber. Tui thianghlim emaw, zu awm lo emawa thun dust-free cloth hmangin kawng khatah zawi zawiin phihfai la, chutah chuan natural takin emaw thli lum hmangin air-dry rawh – tackiness chu mak tak maiin a lo harh leh ang. Hman dan inkara tihfai fo hi maintenance action pakhat chauh a ni.

2. Hnathawh nasat lutuk hnuaiah chhiatna pumpelh tur

• zawi zawiin peel rawh . Cohesive failure hlauhawmna tihziaawm nan peeling angle te tak te (180° hnaih) ah

• Rated temperature aia sang hmang suh – adhesive chu a upa ang a, a khauh ang a, reusability a hloh ang.

• Adherend surface chu tifai hmasa phawt ang che – oil stain hian adhesive layer chu rang takin a ti bawlhhlawh a, a chhuak kim thei lo.

3. Lamination laiin air bubble awmte chu paih vek tur

Bubble kil vel ah leivut a awm khawm duh a, local stress concentration a tichhuak a, adhesive aging a ti chak hle. Bubble-free application dik tak (squeegee emaw roller hmanga hman) hian tape hman nawn theih hun chhung a ti rei a ni.

Thupui – Reusability tihchangtlunna kawng li

Aokai PTFE hian PTFE tape siamin, adhesion nawn leh theihna tura optimized a siam a ni. Kan tui hmanga silfai theih grade te hian tihfai hnuah >90% tack a la let leh thei a, kan primer system hian zero adhesive transfer a tichiang bawk. Product recommendation leh cycle test data hriat duh tan min rawn biak theih reng e.

He technical document hi a pe a ni Jiangsu Aokai thil thar hmanraw siamtu Co., Ltd.

Kan full product lineup atana specification kimchang, application scenario leh customized solutions zir i duh chuan, PTFE high-temperature fabrics, PTFE high-temperature adhesive tapes, PTFE mesh conveyor belts, seamless fusing machine belts, single-sided PTFE coated cloth, heat-resistant conveyor belts leh high-temperature fiberglass te pawh a tel fabrics, a hnuaia channel hmang hian min rawn biak theih reng e:

• Pu Guo-a chuan: +86 18944819998 biak theih a ni

• Pu Liu-a chuan: +86 13705266308 biak theih a ni

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