Nneɛma Titiriw ne Nhwehwɛmu a Ɛyɛ Mfaso a Ɛfa Inflatable Fabric Material Selection ho
Sɛ́ ade titiriw a wɔde nnɛyi nneɛma ho nyansahu di dwuma no, ntama a wɔde mframa gu mu no nya nneɛma no adwumayɛ ne nkwa nna so nkɛntɛnso tẽẽ. Wɔde ntama a wɔde mframa gu mu di dwuma kɛse wɔ abɔnten nnwinnade, nnuru a wɔde boa nnuru, ne ahomegye ne anigyede nneɛma mu esiane sɛ emu yɛ hare, wotumi fa, na ɛyɛ adwuma nti. Saa asɛm yi hwehwɛ akwan a wɔfa so paw nneɛma a wɔde yɛ ntama a wɔde mframa gu mu no mu wɔ nhyehyɛe kwan so fi akwan abiɛsa so: nneɛma ahorow, dwumadi mu ahwehwɛde ahorow, ne nneɛma a atwa yɛn ho ahyia a wotumi sesa.
Sɛ yɛhwɛ nneɛma atitiriw a, nnɛyi ntama a wɔde mframa gu mu no de polymers di dwuma titiriw sɛ wɔn nneɛma titiriw a wɔde yɛ nneɛma. Polyurethane (PU)-ntama a wɔde akata so, esiane wɔn elastic modulus a eye kyɛn so ne abrasion resistance nti, abɛyɛ ade a wɔpɛ ma mfinimfini- kosi soro-end nneɛma. Saa ade yi ma mframa ntumi nkɔ mu yiye bere a egyina mfiri mu nhyɛso a efi mframa a ɛkɔ soro mpɛn pii ne mframa a ɛkɔ fam mu ba no ano. Sɛ yɛde toto ho a, polyethylene (PE) film, ɛwom sɛ ne bo nyɛ den de, nanso ɛhu amane wɔ ductility a ɛyɛ mmerɛw ne puncture resistance a ɛnnɔɔso ho, na ɛma ɛnyɛ nea ɛfata mma dwumadie a ɛhia sɛ wɔde di dwuma bere tenten-. Nea ɛda nsow ne sɛ, thermoplastic polyurethane (TPU) nneɛma foforo a aba no ama wɔn wim tebea a wɔko tia ne nneɛma a atwa yɛn ho ahyia adwumayɛ atu mpɔn kɛse denam molecule nhyehyɛe a wɔyɛ no yiye so, a sɛe kyinhyia bɛyɛ 40% tiaa sen PU nneɛma a wɔde di dwuma wɔ amanne kwan so no.
Ɛsɛ sɛ dwumadie-a ɛfa nneɛma a wɔpaw ho no di kan wɔ ahwehwɛdeɛ pɔtee a ɛwɔ tebea a wɔabɔ wɔn tirim sɛ wɔde bedi dwuma no mu. Wɔ abɔnten so nkwagye mu no, nnwinnade te sɛ ntama a wɔde mframa gu mu hwehwɛ ntama a ɛyɛ den na ɛtumi home. Nneɛma abien-layer composite structure yɛ ano aduru a etu mpɔn: 210D nylon base fabric ma akyi layer no ma nusuo a ɛko tia no yɛ kɛseɛ, berɛ a wɔde microporous PU film di dwuma wɔ mu layer no mu de ma gas exchange yɛ mmerɛ. Wɔ nsuo mu agumadi nnwinnadeɛ, te sɛ nkwagye jackets a wɔde mframa gu mu ho no, ɛsɛ sɛ nneɛma a wɔpaw no de kari pɛ a ɛda buoyancy ne skin-adamfofa te nka ntam di kan. Mpɛn pii no, wɔde ntama a wɔde PVC- akata so na ɛyɛ EVA foam a wɔatoto mu-cell a ne kɛse yɛ 0.91 g/cm3. Eyi hwɛ hu sɛ buoyant volume a ɛyɛ 0.024 m3 bere a ɛma ahotɔ kɔ soro denam surface texture so. Aduruyɛ mu mframa mattress hwehwɛ nneɛma a ɛne biocompatibility kɛse mpo. Aduruyɛ-grade silicone-ntama a wɔde akata so, esiane sɛ ɛnyɛ-allergenic ne sterilizable ahoɔden nti, abɛyɛ gyinapɛn wɔ ayaresabea ahorow.
Nneɛma a atwa yɛn ho ahyia a wotumi sesa no yɛ mfiridwuma mu ade titiriw wɔ nneɛma a wɔpaw mu. Nneɛma a wɔde kata owia ho ban a wɔde Ultraviolet Protection Factor (UPF) a ɛyɛ 50+ kata so no betumi ama onyin no ayɛ brɛoo yiye wɔ mmeae a owia hann wɔ soro-. Wɔ polar low-temperature applications, rɔba matrix a wɔasesa a wɔde boron carbide nanoparticles ahyɛ mu betumi atew ne brittle hyew so akɔ fam -40℃, ahwɛ ahu sɛ ɛyɛ mmerɛw wɔ tebea horow a awɔw wom kɛse mu. Wɔ po mu nneɛma a atwa yɛn ho ahyia mu no, ntama a wɔabom ayɛ a wɔde ahobammɔ abiɛsa (anti-mildew, anti-salt spray, ne anti-algae) ayɛ no betumi anya nsu ani a ɛne ne ho di nkitaho a ɛboro digrii 115 , na ɛtew po mu nsu a ɛporɔw no so kɛse. Laboratory data kyerɛ sɛ wɔ nnɔnhwerew 500 a wɔde ahyɛ nsu ase akyi no, mframa a ɛtwetwe wɔ ntama a wɔde nano-hydrophobic ayɛ mu no da so ara wɔ 3% mu wɔ bo a edi kan no mu.
Nneɛma foforo a wɔyɛ no rema nkɔso a ɛkɔ so wɔ ntama a wɔde mframa gu mu mfiridwuma mu. Nhwehwɛmu ne bio-based polyurethanes a wɔayɛ no adi nkonim mfiase no. Nneɛma awo ntoatoaso foforo a wɔde afifide mu ngo ayɛ no wɔ carbon footprint a ɛba fam 62% bere a ɛkura mfiridwuma mu ahoɔden a wɔde toto atetesɛm polyurethane ho no mu. Shape memory polymers a wɔde di dwuma no ma ntama nya ankasa-ayaresa su. Sɛ wohu sɛ micro-asɛe a ennu mm 0.5 a, wobetumi asiesie ntama no denam wɔn molecule nkɔnsɔnkɔnsɔn a wɔbɛsan aboaboa ano denam ɔhyew a ɛwɔ baabiara so. Ntama a ɛma nhyɛsoɔ-hwɛ kwan a nyansa wom no nkɔsoɔ no de shape memory alloy fiber networks a ɛsiesie mframa a ɛkɔ mu no bue ne nea wɔto mu no ara kwa a egyina nsakraeɛ a ɛba wɔ nhyɛsoɔ a atwa yɛn ho ahyia mu so ka ho. Saa mfiridwuma yi ahyɛn afuw mu sɔhwɛ fã no mu wɔ ahunmu adwumayɛ mu.
Nyansahu mu gyinaesi-si wɔ nneɛma a wɔpaw mu no hwehwɛ sɛ wɔyɛ nhyehyɛe a wɔde hwehwɛ nneɛma mu. Wɔkamfo kyerɛ sɛ wɔnyɛ nhwehwɛmu a edi mũ wɔ nsɛm abiɛsa mu: mfitiase honam fam agyapade sɔhwɛ (a ahoɔden a ɛtwetwe a ɛboro anaasɛ ɛyɛ pɛ 200N/5cm ne tete ahoɔden a ɛboro anaasɛ ɛyɛ pɛ 50N ka ho), dwumadi mu adansedi (mframa a entumi nkɔ mu sɔhwɛ: nhyɛso a wɔbɛkɔ so akura mu a ɛboro nnɔnhwerew 24 a nhyɛso no nkɔ fam), ne onyin ho sɔhwɛ a wɔyɛ no ntɛmntɛm (nnɔnhwerew 72 a wɔde xenon kanea hyerɛn, a ɛne no sɛ kosi mfe abiɛsa a wɔde yɛ abɔde mu onyin). Sɛ wɔtɔ nneɛma pii a, ɛsɛ sɛ wɔyɛ nneɛma nketenkete-nhwɛsodeɛ a ɛfa nneɛma a atwa yɛn ho ahyia ho a ɛtumi sesa ho sɔhwɛ nso, a ɔhyeɛ kyinhyia a ɛfiri -30 digrii kɔsi digrii 70 ne ahoɔden a ɛkyɛ ho sɔhwɛ wɔ 85% nsuo a ɛyɛ nwini mu ka ho.
Mprempren, ntama a wɔde mframa gu mu a wɔpaw no asesa afi adwumayɛ kwan biako-adwuma so akɔ adwumayɛ kari pɛ a ɛwɔ afã horow pii- so. Ɛnam nkɔsoɔ a aba wɔ nneɛma ho nyansahu mu nti, daakye nkɔsoɔ bɛtwe adwene asi ahoɔden a emu yɛ hare ne ahoɔden a ɛkorɔn a wɔbɛhyehyɛ no yie, nneɛma a ɛnyɛ nea ɛmma nneɛma a atwa yɛn ho ahyia a wɔde bedi dwuma kɛseɛ-, ne mmuaeɛ dwumadie a nyansa wom a wɔbɛka abom. Sɛ wɔrepaw ntama a wɔde mframa gu mu a, ɛsɛ sɛ adwumayɛfoɔ a wɔde di dwuma no yɛ gyinaesie nhwɛsoɔ a ɛwɔ afã mmiɛnsa-a ɛde nneɛma ho nsusuiɛ, ɛka -ɛtu mpɔn, ne nneɛma a atwa yɛn ho ahyia a egyina dwumadie mu nneɛma a ɛdi kan wɔ dwumadie tebea pɔtee no mu so ka ho, na ɛnam so ama wɔanya nhyiamu a ɛyɛ papa a ɛda afiri no adwumayɛ ne mfasoɔ a ɛyɛ adwuma ntam.