Polyurethane nrapado gluu

5. Ojiji:

(1) pretreatment: a na-ehicha elu nke nrapado.

(2) nha: jiri sawtooth scraper tinye gluu n'elu nke nrapado even, nwekwara ike iji n'ibu mpịakọta mkpuchi, enweghị ike iji ahịhịa ahịhịa (glue viscosity bụ nnukwu), brushing ego nke banyere 250g / m2, kpọmkwem dị ka ọnọdụ n'ezie na-achịkwa ego nke gluu.

(3) ihe mejupụtara: mgbe gluu nwere ike ịbụ nrapado mejupụtara.

(4) ọgwụgwọ post-ọgwụgwọ: n'ihi na gluu a bụ ihe ntanye ụfụfụ, mgbe a na-agwọ oyi akwa ahụ, a ga-akụnye gluu n'ime oghere micro nke nrapado, na-arụ ọrụ nke anchorage, na-abawanye ike njikọ, na a ghaghị ịpịkọta ya. mgbe ọgwụgwọ.

Ngwa ngwaahịa:

Aha ngwaahịa polyurethane foaming nrapado

Ụdị ga-adakọrịrị

Ụdị PU - 90

Viscosity (MPa · s) 3000-4000

Ike otutu nkọwapụta

PH 6-7

Agba ọdịdị bụ agba aja aja

Oge ọgwụgwọ 60 nkeji

Na-edozi 90%

Ndụ nchekwa bụ ọnwa iri na abụọ

Polyurethane ụfụfụ

Ngwa ngwaahịa

Nkọwa nkwakọ ngwaahịa

Atụmatụ

Ọ nwere njirimara nke arụmọrụ dị elu, ihe owuwu dị mma, ịfụfụ mgbe a gwọchara ya, insoluble na insolubility, elu na obere okpomọkụ na-eguzogide.

Oke ngwa

A na-emepụtakwa ọnụ ụzọ na-eguzogide ọkụ, ọnụ ụzọ mgbochi izu ohi, ọnụ ụzọ ụlọ, akụrụngwa oyi, na ihe mkpuchi ọkụ dị iche iche na-eguzogide ọkụ (ajị nkume, ajị seramiiki, ajị anụ ultra-fine, polystyrene foam plastic, wdg) na-ejikwa. maka njikọta.Maka metal ka metal adhesion.

Ntuziaka

1. Ụkpụrụ ọgwụgwọ: Ntụnye a bụ ihe ntanye na-enweghị ihe mgbaze na-enwe otu ihe, nke a na-agwọ ya site na mmiri mmiri na-etinye na ikuku na n'elu nke adherend.

2.Surface ọgwụgwọ nke adherend: wepụ mmanụ na ájá n'elu nke adherend.Enwere ike iji acetone ma ọ bụ xylene hichaa ntụpọ mmanụ buru ibu.Ọ bụrụ na enweghị ntụpọ mmanụ, ọ dịghị mkpa ka ọ dị ọcha.Oge, ọ bụrụ na ọ dị mkpa, fesaa obere alụlụụ mmiri n'elu rọba na sprayer.

3.Glue mkpuchi: Jiri zigzag scraper ka ọ bụrụ nke ọma tinye gluu n'elu nke adherend.Enwere ike itinye gluu mechanical, mana ọ dịghị mkpa ịsa ahịhịa (viskosity griiz buru ibu), na mkpuchi mkpuchi bụ ihe dịka 150-250g /㎡.Enwere ike ibelata elu nke adherend, na ihe siri ike nke elu nwere ike ịbawanye ntakịrị, ya bụ, ọ bụrụhaala na elu nke abụọ adherends na-ezute ma nwee ike ịkpọtụrụ gluu nke ọma, obere mkpuchi mkpuchi, nke ka mma, n'ihi na A na-etinyekwu gluu, otú ahụ ka mmiri na-abanye n'elu nke adherend dị oke, nke ga-emetụta oge ọgwụgwọ.Ọ bụrụ na achọrọ nha nke gluu etinyere, enwere ike fesa obere alụlụ mmiri nke ọma.

4.compound: nwere ike glued

5.Post-treatment: N'ihi ụfụfụ ụfụfụ nke rọba a, mgbe a na-agwọ oyi akwa ahụ, gluu nwere ike ịkụda micropores nke adherend, nke na-arụ ọrụ nkwụsịtụ ma na-abawanye ike njikọ.A na-ejikọta ihe ahụ ma nwee ike ịtọpụ ya mgbe ọ gwọchara ya (nrụgide dị ihe dịka 0.5kg-1kg / cm2).

6. Ngwá ọrụ nhicha nwere ike iji ihe mgbaze ethyl acetate.

Mkpachapụ anya

1. Jiri a serrated spatula maka scraper, dị ka efere efere.Otú ọ dị, ọ bụrụ na a na-etinye gluu ahụ nke ọma, ọ gaghị enwe gluu nke fọdụrụ n'elu mkpuchi.Ọ bụrụ na a na-etinye gluu nke ukwuu, gluu ga-abụ ihe efu.The zigzag scraper dị nnọọ ike dị ka ọ dị, na gluu nke sawtooth hapụrụ bụ nke ukwuu.

2, The abụọ bonding na-ebupụta ga- compounded ga-glued n'otu akụkụ.

usoro nchekwa

Ekwesịrị ịchekwa ngwaahịa a n'ebe dị jụụ na ọchịchịrị n'oge nchekwa.N'ozuzu na ụlọ nkwakọba ihe ime ụlọ, oge nchekwa bụ otu afọ.Mgbe ejiri gluu nke ọ bụla, gbọmgbọm ahụ nwere nnukwu gluu kwesịrị ka a mechie ya ma chekwaa ya, akwa akwa akwa nke gluu ga-esiwanye ike na jikọrọ ọnụ n'ihi ntinye mmiri.Ọ bụrụ na ejighị ya ogologo oge, a ga-eji nitrogen mechie ya.