Adwumayɛ su a ɛwɔ polyurethane / glass fiber composite nneɛma mu .

Wɔ mfe pii a wɔde yɛɛ nkɔso akyi no, wɔde amannɔne polyurethane pull extrusion molding ayɛ aguadi. Wɔ polyurethane a wɔtwe na wɔpiapia no mu no, wobetumi de nhama a wɔama ayɛ kɛse pii adi dwuma, sɛnea ɛbɛyɛ a ahoɔden a ɛwɔ ade no mu no bɛkɔ soro kɛse. Bere koro no ara mu no, esiane ahoɔden a ɛyɛ papa a ɛma obi nya ahoɔden, ahoɔden a ɛtwetwe ne ahoɔden a ɛwɔ ntam a ɛma nneɛma a ɛwɔ nipadua no mu no ankasa yɛ den nti, wobetumi ama nneɛma no ayɛ mmerɛw na ayɛ hare.
Sɛ nhwɛso no, wobetumi de mfitiase sirikyi a ɛte nka a ɛkɔ so kɛse ne asaawa a ɛkyinkyini a wɔankyekyere no kɛse ayɛ I-beam no kɛse afi 3.3mm akodu 2.6mm, bere a wɔakura ne tenten a ɛyɛ den no mu a wɔansakra no. Eyi ma ade no so tew 13% na ne bo yɛ 7%. Nea ɛka ho no, esiane sɛ extrusion polyurethane nneɛma no nyɛ nea ɛyɛ mmerɛw nti, wobetumi ahyiam wɔ ɔkwan a wɔtaa fa so so a wɔmpaapae na wɔmmɔ.
Ne titiriw no, polyurethane pull extrusion mfiridwuma a wɔde di dwuma no wɔ mfaso horow a ɛda adi pefee wɔ afã horow a edidi so yi mu.(1) Ebia ɛho behia sɛ wɔde ahwehwɛ nhama ahorow a ɛsono emu biara a ɛkɔ soro kodu anan anaa anum. Ɛsɛ sɛ wotwa eyinom a wɔte nka no na wɔyɛ no sɛnea ɛte. Sɛ wode polyurethane twetwe squeeze di dwuma a, mpɛn pii no wubetumi de ahwehwɛ nhama adi dwuma a ɛnyɛ twist roving mmom sen sɛ wode ahwehwɛ nhama bɛte nka. Glass fiber no a woyi fi hɔ no ma nneɛma a wɔde yɛ adwuma no ho ka so tew ne adwumayɛfo ka a wɔbɔ wɔ felt no ho no so. Ɛnyɛ den sɛ wɔbɛbubu ntama no nso, na nneɛma a asɛe no betumi asiw afiri no ano, na ɛka nneɛma a wɔyɛ no. Sɛ woyi ntama ase a, ebetumi ama nneɛma a wɔyɛ no ntɛmntɛm wɔ nsɛm pii mu, na ɛnam so ama ɛka a wɔbɔ no ayɛ kɛse. Ɔkwan foforo so no, bere a wɔde untswisted roving asi ananmu akyi no, fiber volume a ɛwɔ mu no betumi akɔ soro akodu bɛyɛ 80%, bere a fiber content a ɛwɔ non{9}}polyurethane pull-extrusion products dodow no ara mu no yɛ 60%. Saa kwan yi so no, wɔde ahwehwɛ fiber a ɛkorɔn no ka ho ne adwumayɛ resin a eye kyɛn so de yɛ polyurethane extrusion profile a ahoɔden ne stiffness a eye.(2) ahoɔden a ɛkorɔn no su a ɛwɔ polyurethane twetwe-extrusion products bue application foforo bi. Wobetumi de saa nneɛma yi adi dwuma de ayɛ polyester resin a ɛnyɛ nea ɛfata wɔ dade ne aluminium ananmu wɔ adansi, nnwuma ne akwantu gua so.(3) Ɛyɛ mmerɛw, ɛyɛ mmerɛw na ɛho nhia pii sɛ wɔbɛdan mfitiase twetwe ne squeezing nhyehyɛe no ayɛ polyurethane twetwe ne extrusion nhyehyɛe, a sika kɛse biara nni mu. Mfitiaseɛ die head, heater ne unit no da so ara betumi adi dwuma.(4) Wɔ atifi hɔ honam fam su ne molding advantages akyi no, polyurethane twetwe ne extrusion afã horow nso wɔ mfaso horow a ɛwɔ nhyiam ase, titiriw sɛnea ɛyɛ mmerɛw sɛ fastening. Esiane sɛ polyurethane ahoɔden nti, ɛho nhia sɛ wɔde predrill di dwuma bere a wɔde skru no gu polyurethane ade no so, a ebetumi akora bere ne adwuma so no. Nea ɛbɛyɛ na wɔatumi atwe skru no wɔ polyurethane ade no mu no boro ahoɔden a ɛho hia na wɔde atwe skru no mmɔho abien.(5) Wɔ fiber nhyehyɛe koro no ara ase no, polyurethane / ahwehwɛ nhama twetwe-extrusion product no su nyinaa ye sen nea ɛyɛ thermosetting resin a ɛyɛ mmerɛw no, a ɛbɛn bending modulus modulus, a ɛyɛ den sɛ ɛbɛko atia, ɛyɛ papa, ɛyɛ papa sɛ ɛbɛma ahoɔden a ɛwɔ hɔ no ayɛ yiye, ɛyɛ papa sɛ ɛbɛbɔ no yiye, ɛyɛ papa sɛ ɛbɛbɔ no yiye, ɛyɛ papa sɛ ɛbɛbɔ no yiye, na ɛyɛ papa sɛ ɛbɛma ahoɔden a ɛwɔ hɔ no ayɛ kɛse, ɛyɛ papa sɛ ɛbɛbɔ ho ban yiye, ɛyɛ papa sɛ ɛbɛbɔ mmɔden sɛ ɛbɛsɔre abodin ahorow a ɛwɔ hɔ. Main Thermosetting Resin / Glass Fiber Composite Performance Contrast (6) Pure Polyurethane / Glass Fiber yɛ adwumayɛ mu nneɛma a wɔabom ayɛ a ɛyɛ papa, nneɛma a wɔde yɛ ade, ahoɔhare a ɛkɔ soro, nsu, acid, alkali, nkyene ne nea eye sen biara, ɔhyew a ɛyɛ papa a ɛko tia, ade a wɔde kata so, aliphatic polyurethane nhyehyɛe, a ɛnyɛ nea ɛyɛ den, nneɛma a atwa yɛn ho ahyia a atwa yɛn ho ahyia.