- AS
1. AS arụmọrụ
AS bụ propylene-styrene copolymer, nke a na-akpọkwa SAN, nke nwere ihe dị ka 1.07g/cm3. Ọ naghị adịkarị mfe mgbawa nrụgide dị n'ime. Ọ nwere nghọta dị elu, okpomọkụ dị nro dị elu na ike mmetụta karịa PS, yana nguzogide ike ọgwụgwụ ka njọ.
2. Ngwa nke AS
Trays, iko, tableware, friji, knobs, ngwa ọkụ, ihe ịchọ mma, enyo ngwá ọrụ, igbe nkwakọ ngwaahịa, akwụkwọ, gas lighters, nha nha nha aka, wdg.
3. AS nhazi ọnọdụ
The nhazi okpomọkụ nke AS bụ n'ozuzu 210 ~ 250 ℃. Ihe a dị mfe ịmịkọrọ mmiri na ọ dị mkpa ka akpọnwụ ya ihe karịrị otu awa tupu nhazi. Ya fluidity bụ ubé njọ karịa PS, otú injection mgbali bụkwa ubé elu, na ebu okpomọkụ na-achịkwa na 45 ~ 75 ℃ ka mma.
- ABS
1. ABS arụmọrụ
ABS bụ acrylonitrile-butadiene-styrene terpolymer. Ọ bụ polymer amorphous nwere njupụta nke ihe dịka 1.05g/cm3. Ọ nwere nnukwu ike n'ibu na ezigbo ihe njiri mara nke "nke kwụ ọtọ, siri ike na ígwè". ABS bụ plastik injinia a na-ejikarị eme ihe nke nwere ụdị dị iche iche na ojiji obosara. A na-akpọkwa ya "plastic engineering general" (MBS ka a na-akpọ transparent ABS). Ọ dị mfe ịkpụzi na ịhazi ya, nwere nguzogide kemịkalụ na-adịghị mma, na ngwaahịa ndị ahụ dị mfe iji elektrọn.
2. Ngwa nke ABS
Ndị na-agbapụta mgbapụta, bearings, aka, ọkpọkọ, ihe mkpuchi ngwa eletriki, akụkụ ngwaahịa eletrọnịkị, ihe egwuregwu ụmụaka, ihe nlele, ikpe ngwa, mkpuchi mmiri, nchekwa oyi na mkpuchi ime refrjiraeto.
3. ABS usoro njirimara
(1) ABS nwere elu hygroscopicity na ogbenye okpomọkụ iguzogide. A ghaghị kpochaa ya nke ọma ma kpochaa ya tupu ịkpụzi na nhazi iji chịkwaa mmiri dị n'okpuru 0.03%.
(2) Mgbaze viscosity nke ABS resin adịghị enwe mmetụta na okpomọkụ (dị iche na resins amorphous ndị ọzọ). Ọ bụ ezie na okpomọkụ nke injection nke ABS dị ntakịrị elu karịa nke PS, ọ naghị enwe oke okpomọkụ na-ebili dị ka PS, na ikpo ọkụ kpuru ìsì enweghị ike iji. Iji belata viscosity ya, ị nwere ike ịbawanye ọsọ nke ịghasa ma ọ bụ mee ka nrụgide / ọsọ injection dịkwuo mma iji meziwanye mmiri mmiri ya. The izugbe nhazi okpomọkụ bụ 190 ~ 235 ℃.
(3) Viscosity gbazee nke ABS bụ ọkara, dị elu karịa nke PS, HIPS, na AS, na mmiri mmiri ya dị njọ karị, ya mere achọrọ nrụgide injection dị elu.
(4) ABS nwere mmetụta dị mma na ọkara na ọkara ịgba ọsọ ọsọ (ọ gwụla ma ụdị mgbagwoju anya na akụkụ ndị dị mkpa chọrọ ọsọ ịgba ọsọ dị elu), nozzle nke ngwaahịa ahụ na-enwekarị akara ikuku.
(5) ABS ịkpụzi okpomọkụ dịtụ elu, na ya ebu okpomọkụ na-adịkarị na-agbanwe n'etiti 45 na 80°C. Mgbe ị na-emepụta ngwaahịa buru ibu, ọnọdụ okpomọkụ nke ebu a kapịrị ọnụ (mkpụrụ ihu n'ihu) na-adịkarị ihe dịka 5 Celsius C karịa nke ebu ibugharị (azụ azụ).
(6) ABS ekwesịghị ịnọ na gbọmgbọm okpomọkụ dị elu ogologo oge (kwesịrị ịbụ ihe na-erughị nkeji 30), ma ọ bụghị ya, ọ ga-adị mfe ire ere ma gbanwee edo edo.
- PMMA
1. Arụmọrụ PMMA
PMMA bụ polymer amorphous, nke a na-akpọkarị plexiglass (sub-acrylic), nke nwere ihe dị ka 1.18g/cm3. Ọ nwere nghọta magburu onwe ya na nnyefe ọkụ nke 92%. Ọ bụ ezigbo ngwa anya ihe; ọ nwere ezigbo nguzogide okpomọkụ (ọkụ ọkụ). Okpomọkụ deformation bụ 98 ° C). Ngwaahịa ya nwere ike n'ibu ọkara yana ike ike dị ala. Ihe siri ike na-akpụ ya ngwa ngwa wee hapụ akara. E jiri ya tụnyere PS, ọ naghị adị mfe ịgbaji.
2. Ngwa nke PMMA
Igwe anya ihe eji eme ihe, ngwaahịa anya, ngwa eletriki, akụrụngwa ahụike, ụdị nghọta, ihe ịchọ mma, anya anyanwu, eze eze, bọọdụ mgbasa ozi, ogwe elekere, ọkụ ọdụ ụgbọ ala, mkpuchi ikuku, wdg.
3. Usoro njirimara nke PMMA
Ihe nhazi chọrọ nke PMMA siri ike. Ọ na-enwe mmetụta nke ukwuu na mmiri na okpomọkụ. A ghaghị akpọnwụ ya nke ọma tupu nhazi ya. Ya gbazee viscosity bụ dịtụ elu, n'ihi ya, ọ chọrọ ka a kpụrụ na a elu okpomọkụ (219 ~ 240 ℃) na nrụgide. The ebu okpomọkụ dị n'etiti 65 ~ 80 ℃ ka mma. Nkwụsi ike nke okpomọkụ nke PMMA adịghị mma. A ga-eweda ya site na oke okpomọkụ ma ọ bụ nọrọ na okpomọkụ dị elu ogologo oge. Ọsọ skru ekwesịghị ịdị elu (ihe dịka 60rpm), n'ihi na ọ dị mfe ime na akụkụ PMMA buru ibu. Ihe omume "efu" chọrọ nnukwu ọnụ ụzọ ámá yana "oke ihe dị elu, okpomọkụ dị elu, ngwa ngwa ngwa ngwa" ọnọdụ injection iji hazie.
4. Gịnị bụ acrylic (PMMA)?
Acrylic (PMMA) bụ plastik doro anya, siri ike a na-ejikarị n'ọnọdụ iko na ngwaahịa ndị dị ka windo na-agbaji agbaji, akara ọkụ, ọkụ elu na elu ụgbọ elu. PMMA bụ nke ezinụlọ dị mkpa nke resin acrylic. Aha kemịkal nke acrylic bụ polymethyl methacrylate (PMMA), nke bụ resin sịntetik polymerized sitere na methyl methacrylate.
A na-akpọkwa Polymethylmethacrylate (PMMA) dị ka acrylic, iko acrylic, ma dị n'okpuru aha ahia na ụdị dị ka Crylux, Plexiglas, Acrylite, Perclax, Astariglas, Lucite, na Perspex, n'etiti ndị ọzọ. A na-ejikarị polymethylmethacrylate (PMMA) mee ihe n'ụdị mpempe akwụkwọ dị ka ihe dị fechaa ma ọ bụ ihe na-emebi emebi na-abụghị iko. A na-ejikwa PMMA dị ka ihe nkedo resin, ink, na mkpuchi. PMMA bụ akụkụ nke otu akụrụngwa plastik injinia.
5. Kedu ka esi eme acrylic?
A na-eme Polymethyl methacrylate site na polymerization n'ihi na ọ bụ otu n'ime polymers sịntetik. Nke mbụ, a na-etinye methyl methacrylate n'ime ihe a na-akpụ akpụ ma tinye ihe na-akpali akpali iji mee ka usoro ahụ dị ngwa. N'ihi usoro polymerization a, PMMA nwere ike ime ka ọ bụrụ ụdị dị iche iche dị ka mpempe akwụkwọ, resins, blocks, na beads. Gluo acrylic nwekwara ike inye aka mee ka iberibe PMMA dị nro ma jikọta ha ọnụ.
PMMA dị mfe ịmegharị n'ụzọ dị iche iche. Enwere ike ijikọ ya na ihe ndị ọzọ iji nyere aka kwalite njirimara ya. Site na thermoforming, ọ na-agbanwe mgbe ọ na-ekpo ọkụ ma na-esi ike mgbe ọ dị jụụ. Enwere ike ịhazi ya nke ọma site na iji nkwọ ma ọ bụ laser ịkpụ. Ọ bụrụ na a na-egbuke egbuke, ị nwere ike wepụ ihe ncha n'elu ma nyere aka ịnọgide na-eguzosi ike n'ezi ihe.
6. Kedu ụdị acrylic dị iche iche?
The isi abụọ ụdị nke acrylic plastic bụ nkedo acrylic na extruded acrylic. Ihe nkedo acrylic dị ọnụ karịa imepụta mana ọ nwere ike ka mma, ogologo oge, idoanya, oke okpomọkụ na nkwụsi ike karịa acrylic extruded. Cast acrylic na-enye ezigbo nguzogide kemịkalụ na ịdịte aka, ọ dịkwa mfe agba na ọdịdị n'oge usoro nrụpụta. Ihe nkedo acrylic dịkwa n'ụdị ọkpụrụkpụ dị iche iche. Acrylic extruded bụ nke akụ na ụba karịa nkedo acrylic ma na-enye ihe na-agbanwe agbanwe, acrylic arụ ọrụ karịa nkedo acrylic (na-efu nke ike dị ala). Extruded acrylic dị mfe nhazi na igwe, na-eme ka ọ bụrụ ihe ọzọ magburu onwe ya na mpempe akwụkwọ iko na ngwa.
7. Gini mere eji acrylic eme ihe?
A na-ejikarị acrylic eme ihe n'ihi na ọ nwere otu àgwà bara uru dị ka iko, ma na-enweghị nsogbu nke brittleness. Ugogbe acrylic nwere ọmarịcha ngwa anya ma nwee otu ndetu refractive dị ka iko na steeti siri ike. N'ihi ihe ndị na-adịghị emebi emebi, ndị na-emepụta nwere ike iji acrylics na ebe iko ga-adị oke egwu ma ọ bụ na ọ ga-adaba (dị ka periscopes ụgbọ mmiri, windo ụgbọ elu, wdg). Dịka ọmụmaatụ, ụdị iko a na-apụghị ịgbagha agbagha bụ nke acrylic dị 1/4-inch, nke a na-akpọ acrylic siri ike. Acrylic na-arụkwa ọrụ nke ọma n'ịkpụzi injection ma nwee ike etolite n'ihe fọrọ nke nta ka ọ bụrụ ụdị ọ bụla onye na-emepụta ihe nwere ike ịmepụta. Ike nke iko acrylic jikọtara ya na ịdị mfe nke nhazi na nhazi na-eme ka ọ bụrụ ihe magburu onwe ya, nke na-akọwa ihe mere eji eji ya eme ihe na ụlọ ọrụ ndị na-azụ ahịa na azụmahịa.
Oge nzipu: Dec-13-2023