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Ụlọ » Akụkọ » Ihe mkpuchi PTFE » Ntụnyere izi ezi nke usoro nnwale ogo ọgwụgwọ maka nrụgide Silicone na-emetụ n'ahụ (Usoro mmịpụta ihe mgbaze, usoro DSC na usoro FTIR)

Ntụle nke izi ezi nke usoro nnwale ogo ọgwụgwọ maka nrụgide Silicone-Adhesives nwere mmetụta (Usoro mmịpụta ihe mgbaze, Uzo DSC na usoro FTIR)

Nlele: 0     Odee: Saịtị Editọ Oge mbipụta: 2026-07-24 Mmalite: Saịtị

Jụọ ase

Ntụle ntụle nke ụzọ nnwale ogo ogo maka nrịbama siri ike nke Silicone sitere na Jiangsu ákwà dị elu nke PTFE Ndị na-emepụta

(Ụzọ mmịpụta ihe mgbaze, usoro DSC na usoro FTIR)

PTFE_Fabric_Usage.png

I. Ụkpụrụ nha na ndị dị mkpa

1. Usoro mmịpụta ihe mgbaze

Usoro a na-enyocha ọdịnaya gel. A na-eji ezigbo ihe mgbaze na-ewepụta ihe nlele ugboro ugboro; ụmụ irighiri ihe ejikọtara ọnụ na-agbaze. A na-atụ ihe fọdụrụ a mịrị amị iji gbakọọ ọnụ ọgụgụ dị nta nke ihe ndị na-adịghị edozi ahụ, na-egosipụta oke nke nhazi netwọkụ na-enweghị ike ime.

2. Usoro DSC

Usoro a na-atụle okpomọkụ mmeghachi omume fọdụrụnụ. A na-atụle ntọhapụ okpomọkụ nke ihe nlele na-adịghị agwọ ọrịa (ΔHtotal) na ntọhapụ okpomọkụ nke ihe nlele ule (ΔHresidual) n'otu n'otu. Ngozi ọgwụgwọ: α = 1-ΔHresidual / ΔHtotal Ọ na-akọwa oke nke otu ọrụ na-arụ ọrụ fọdụrụnụ.

3. FTIR Spectroscopy Method

Usoro a na-enyocha oriri nke otu ndị na-arụ ọrụ njirimara. Maka sistemu hydrosilylation, a na-enyocha ọdịiche mpaghara kacha elu nke Si-H (≈2160 cm⁻⊃1;) ma ọ bụ Si-Vi (≈1595 cm⁻⊃1;). A nakweere ọnụ ọgụgụ kacha elu nke dị n'ime (dịka, Si-CH₃ na ≈1260 cm⁻⊃1;) maka ịhazigharị ya, na-enye aka ozugbo na ngbanwe nke njikọ kemịkalụ akọwapụtara.

II. Ntụnyere ziri ezi na nnukwu mperi

1. Usoro mmịpụta ihe mgbaze

A na-amata nke ọma akụkụ yinye a na-emebeghị emezi nke dabara na njikọ anụ ahụ na mkpọchi topological dị ka 'usoro ejikọtara ọnụ', na-eduga n'usoro nleba anya nke ogo ọgwụgwọ kemịkal. E wezụga nke ahụ, nsonaazụ ule na-emetụta arụmọrụ mgbasa, mfu microgel na mgbanwe nke ọnọdụ ọrụ, yana nkenke naanị ± 2-5%.

2. Usoro DSC

Ọ na-ewepụta izi ezi dị oke elu na ọnụego mgbanwe dị ala ruo ọkara. Agbanyeghị, na ogo ọgwụgwọ dị elu, otu ndị na-arụ ọrụ fọdụrụnụ enweghị ike imeghachi omume n'ụzọ zuru ezu n'ihi mmachi mgbasa, na-ebute ntọhapụ okpomọkụ dị ntakịrị na oke oke nke ogo ọgwụgwọ. Njehie ndị ọzọ sitere na nhọrọ ntọala, mmeghachi omume akụkụ na mkpebi nke ΔHtotal. Nkwagharị ya dị mma (<± 2%).

PTFE_Fabric_Insulation_Applications.png

3. Usoro FTIR

Ọ na-enyocha mgbanwe mgbanwe kemịkalụ ozugbo ma na-anya isi ngbanwe kachasị na ngbanwe kemịkalụ n'ezie. Njehie ndị bụ isi na-esite na nchikota kacha elu (dịka ọmụmaatụ, nnyonye anya uzuoku mmiri na akara Si-H). The ATR mode na-achọpụta naanị elu n'ígwé; A ga-agbagọ data ule ma ọ bụrụ na ịgwọ otu ụdị dị iche n'etiti elu na ime. Ntụle kwekọrọ n'iwu Lambert-Beer ma dabere na nlele ntụaka anaghị agwọta. Ọ na-egosipụta nkenke dị elu nke ihe dịka ± 1-3%.

III. Nhazi ọkwa zuru oke

A na-ekpe ikpe site na ngbanwe n'ezie nke njikọ kemịkalụ , usoro ziri ezi bụ: Usoro FTIR> Ụzọ DSC (oke ntụgharị dị ala ruo ọkara)> Ụzọ mmịpụta mgbaze

Usoro mmịpụta ihe mgbaze  kacha dị ala. A na-ebuli ụkpụrụ ule elu n'ihi onyinye anụ ahụ ma gosi njikọ kachasị njọ na ọnọdụ crosslinking chemical. Ka o sina dị, nsonaazụ ya kacha nso na arụmọrụ ọrụ bara uru na ngwa mmepụta ihe.

Usoro DSC  Kwesịrị ntụkwasị obi yana ziri ezi n'okpuru ọnụego mgbanwe dị ala ruo ọkara. Ọ nwere ike iwepụta agụ ogo ọgwụgwọ dị elu ụgha n'ime mpaghara a na-achịkwa mgbasa, yabụ na a gaghị etinye ya n'onwe ya iji nyochaa sistemu gwọchara nke ukwuu.

Usoro FTIR  ziri ezi kachasị elu, nke nwere ike ịmata ọdịiche dị iche iche ngbanwe kemịkalụ, dabara adaba maka ọdịiche dị n'okpuru ọnụego mgbanwe ọkara ruo elu.

IV. Ntụnye ngwa bara uru

Usoro mmịpụta ihe mgbaze  Kwesịrị ekwesị maka nyocha ịdị mma iji nyochaa ngwa ngwa ma ọdịnaya gel ọ dabara ihe achọrọ. Agaghị ejikọta agụ ya ozugbo na njupụta njikọ njikọ kemikal.

Usoro DSC  dị maka nyocha kinetics mmeghachi omume yana nlekota usoro. A ga-etinye nlebara anya maka ngbanwe nha na ọkwa ngbanwe dị elu. A na-akwado nnwale njikọ na usoro FTIR.

Usoro FTIR  ahọrọ maka R&D nke Jiangsu PTFE ndị na-emepụta akwa na-ekpo ọkụ dị elu. Ọ nwere ike guzobe njirisi maka ọnụego mgbanwe kemịkalụ maka mmepe usoro yana njikarịcha usoro. Ejikọtara ya na nnwale DSC, ọ na-enye ozi nkwado maka ịgwọ ọganihu.

PTFE_Fabric_in_Advanced_Manufacturing.png

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