Microspheres oghere oghere bụ microspheres enyo a na-edozi nke ọma, nke a na-ejikarị mara njupụta dị ala na ịdị mma na-adịghị mma karịa iko microspheres. Ọ bụ ụdị ihe ọhụrụ dị fechaa micron nke emepụtara na 1950s na 1960s. Ya isi akụrụngwa bụ borosilicate, na a n'ozuzu urughuru size nke 10 ~ 250μm na a mgbidi ọkpụrụkpụ nke 1 ~ 2μm; oghere iko beads nwere Ọ nwere njiri mara elu mkpakọ ike, elu agbaze ebe, elu resistivity, na obere thermal conductivity na thermal shrinkage ọnụọgụgụ. A maara ya dị ka "ihe gbasara oge ohere" na narị afọ nke 21.Microspheres oghere oghere nwere doro anya arọ mbelata na ụda mkpuchi na thermal mkpuchi mmetụta, nke mere na ngwaahịa nwere ezigbo mgbochi mgbawa arụmọrụ na reprocessing arụmọrụ, na-ọtụtụ ebe na-eji ihe mejupụtara dị ka iko eriri mesi plastic, artificial marble, artificial agate, nakwa dị ka na ụlọ ọrụ mmanụ ala, ikuku ikuku na ụlọ ọrụ ikuku. , Ụgbọ oloko ọhụrụ dị elu, ụgbọ ala na ụgbọ mmiri, mkpuchi mkpuchi okpomọkụ na mpaghara ndị ọzọ akwalitela mmepe nke ọrụ sayensị na nkà na ụzụ nke obodo m. Iji mezuo ihe achọrọ nke dielectric dị ala, obere ọnwụ na ịdị arọ nke ngwa nzikọrịta ozi 5G, oghere iko microspheres na-arụkwa ọrụ na-arịwanye elu n'ihi ọnụ ahịa dị ala na arụmọrụ dị mma.
1 - Ngwakọta
Ngwakọta kemịkalụ nke oghere iko microspheres (oke oke)
SiO2: 50% -90%, Al2O3: 10% -50%, K2O: 5% -10%, CaO: 1% -10%, B2O3: 0-12%
2- Atụmatụ
agba dị ọcha
Enwere ike iji ya mee ihe n'ọtụtụ ebe na ngwaahịa ọ bụla nwere ihe achọrọ na ọdịdị na agba.
3- njupụta ìhè
Njupụta nke microspheres iko oghere bụ ihe dị ka otu ụzọ n'ụzọ iri nke njupụta nke ụmụ irighiri ihe ndozi ọdịnala. Mgbe emejuchara, enwere ike ibelata ibu ihe ndabere nke ngwaahịa ahụ, enwere ike dochie resins ndị ọzọ na-echekwa ma chekwaa ọnụ ahịa ngwaahịa.
4-okwu ọnụ
Microspheres iko oghere dị mfe mmiri na ịgbasa, enwere ike jupụta n'ọtụtụ resin thermoplastic thermosetting, dị ka polyester, resin epoxy, polyurethane, wdg.
5-Ezi mmiri mmiri
Ebe ọ bụ na microspheres iko oghere bụ obere oghere, ha nwere mmiri mmiri dị mma na resins mmiri karịa flake, agịga ma ọ bụ ihe na-adịghị mma, yabụ na ha nwere arụmọrụ na-ejuputa nke ọma. Nke kachasị mkpa, obere microbeads bụ isotropic, n'ihi ya, ọ dịghị ihe ọ bụla na-adịghị mma nke ọnụ ọgụgụ nkwụsịtụ na-ekwekọghị ekwekọ n'akụkụ dị iche iche n'ihi ntụgharị uche, nke na-eme ka nkwụsi ike nke akụkụ nke ngwaahịa ahụ pụta ìhè ma ọ gaghị agbawa.
6- Thermal na ụda mkpuchi mkpuchi
N'ime microspheres iko oghere bụ gas dị mkpa, ya mere ọ nwere njirimara nke mkpuchi ụda na mkpuchi okpomọkụ, ọ bụkwa ihe dị mma maka ihe mkpuchi ọkụ dị iche iche na ngwaahịa mkpuchi ụda. Enwere ike iji ihe mkpuchi nke microspheres enyo nwere oghere iji chebe ngwaahịa site na ujo ọkụ nke na-agbanwe n'etiti ikpo ọkụ ngwa ngwa na ọnọdụ jụrụ oyi ngwa ngwa. Nguzogide dị elu na oke mmiri dị ala na-eme ka a na-eji ya eme ihe na-emepụta ihe mkpuchi eriri.
7- Mmụba mmanụ dị ala
Ihe ndị dị n'akụkụ ebe ahụ na-ekpebi na ọ nwere ebe dị n'elu nke kacha nta na obere ntinye mmanụ. N'oge usoro eji eme ihe, ọnụ ọgụgụ resin nwere ike ibelata nke ukwuu, na viscosity agaghị abawanye ọbụna n'okpuru ebe nchekwa nke nnukwu mgbakwunye ego, nke na-eme ka mmepụta na ọnọdụ ọrụ dịkwuo mma. Welite arụmọrụ mmepụta site na 10% ruo 20%.
8- Dielectric dị ala mgbe niile
Uru Dk nke microspheres oghere oghere bụ 1.2 ~ 2.2 (100MHz), nke nwere ike melite njirimara dielectric nke ihe ahụ nke ọma.
Plastics maka oghere iko bead
(1) N'ihi na mgbanwe nke engineering plastik dị ka naịlọn, PP, PBT, PC, POM, wdg, ọ nwere ike melite fluidity, wepụ iko fiber ikpughe, imeri warpage, melite ire retardant arụmọrụ, belata iko fiber oriri, na ibelata mmepụta. akwụ ụgwọ.
(2) Na-ejuputa na PVC siri ike, PP, PE, na ịmepụta ihe profaịlụ, ọkpọkọ na efere nwere ike ime ka ngwaahịa ndị ahụ nwee nkwụsi ike nke akụkụ dị mma, na-eme ka nkwụsi ike na okpomọkụ na-eguzogide okpomọkụ, na-eme ka arụmọrụ ọnụ ahịa nke ngwaahịa dị mma, na-eme ka mmepụta ihe dị mma ma belata ụgwọ ọrụ.
(3) Na-ejuputa na PVC, PE na eriri ndị ọzọ na ihe mkpuchi mkpuchi nwere ike ime ka ngwaahịa ahụ dịkwuo elu na-eguzogide okpomọkụ, mkpuchi, acid na alkali resistance na ihe ndị ọzọ na arụmọrụ nhazi ngwaahịa, na-abawanye mmepụta ma belata ụgwọ ọrụ.
(4) Na-ejuputa na epoxy resin ọla kọpa clad efere nwere ike ibelata viscosity nke resin, mee ka ike na-ehulata, melite anụ ahụ na n'ibu Njirimara, dịkwuo iko mgbanwe okpomọkụ, ibelata dielectric mgbe nile, belata mmiri absorption, na ibelata ọnụ ahịa. .
(5) Ijuputa na polyester na-adịghị mma nwere ike ibelata ọnụ ọgụgụ nkwụsị na ịsa mmiri nke ngwaahịa ahụ, meziwanye nkwụsị nke uwe na ike siri ike, ma nwee obere oghere n'oge lamination na mkpuchi. A na-eji ya maka ngwaahịa FRP, wiil polishing, ngwaọrụ, wdg.
(6) Ndochi na resin silicone nwere ike imeziwanye ihe anụ ahụ na arụ ọrụ, na nnukwu ego nke njuputa nwere ike ibelata ọnụ ahịa ya nke ukwuu, nke bụ ihe dị mma maka mmepụta ihe.
Oge nzipu: Mee-30-2022