Viscosity Control wɔ PET Strap mu: Nea enti a 0.60–0.95 dl/g Ho Hia ma Ahoɔden

Nnɔmba a Ahintaw a Ɛwɔ PET Strap Ahoɔden Akyi

Bere a adetɔfo kyerɛ no PET strap (polyester strap), wɔtaa hwɛ metrics a wotumi hu: ne tɛtrɛtɛ, ne kɛse, ne tumi a ɛbubu. Nanso, mfiridwuma mu adwumayɛ a ɛwɔ abɔso a wɔawie no mu no, nea ɛkyerɛ titiriw ne ade a wɔde yɛ no ho nkyerɛkyerɛmu a aniwa nhu: intrinsic viscosity (IV) ..

Viscosity yɛ ade a wɔde susuw polyester resin no molecule mu duru. Ɛkyerɛ sɛnea polymer nkɔnsɔnkɔnsɔn no tenten ne sɛnea ɛkyekyere wɔn ho wɔn ho denneennen. Wɔ strapping adwumayɛ mu no, ade a ɛyɛ dɛ ma PET strap a ɛyɛ papa ne viscosity range a ɛyɛ 0.60 kosi 0.95 dl/g.

Sɛ viscosity no sua dodo a, polymer nkɔnsɔnkɔnsɔn no yɛ tiaa, na ɛde ahama a enni ahoɔden a ɛtwetwe na ebetumi abubu ntɛmntɛm ba. Sɛ nsu a ɛyɛ den no yɛ kɛse dodo a, resin no yɛ den dodo sɛ ɛbɛyɛ adwuma yiye, na ɛde sintɔ ahorow ba wɔ ne yɛ mu.

Wɔ Jushuo Packaging no, yɛn nneɛma a yɛyɛ ho nsɛm kyerɛ sɛ sɛ yɛbɛkura viscosity control a ɛyɛ katee a ɛwɔ 0.60 ne 0.95 dl/g ntam no ho hia ma strapping a ɛbɛtumi asi dadeɛ ananmu wɔ dwumadie a emu yɛ duru mu.

1. Dɛn Ne Intrinsic Viscosity?

1.1 Nkyerɛaseɛ ne Nsusuiɛ

Intrinsic viscosity (IV) yɛ ade a wɔde susuw sɛnea polymer tumi sen wɔ solution mu, a ɛne ne molecule mu duru wɔ abusuabɔ tẽẽ. Sɛnea polymer nyansahu nnyinasosɛm ahorow kyerɛ no, wɔtaa susuw IV wɔ deciliters wɔ gram biara mu (dl/g). Wɔ PET resin a wɔde di dwuma wɔ strapping mu no, susuw no kyerɛ sɛnea polymerization no te.

1.2 Nea enti a Viscosity so tew bere a wɔreyɛ adwuma

Wɔ extrusion nhyehyɛe no mu no, PET resin no nwene wɔ ɔhyew a ɛkorɔn mu. Sɛnea nnuru a wɔde yɛ nneɛma kyerɛ no, ɔhyew ne nsu betumi ama nsu mu ayɛ hyew, na abubu polymer nkɔnsɔnkɔnsɔn no na ama nsu a ɛyɛ den no so atew. Sɛ wɔanhwɛ so yiye a, ebia ahama a wɔawie no mu nwini sua sen nea wɔde yɛ no, na ɛbɛma mfiri a wɔde yɛ adwuma no so atew.

2. Dwuma a Viscosity Di wɔ Strap Ahoɔden mu

2.1 Ahoɔden a ɛwɔ Tensile mu

Ahoɔden a wɔde twetwe nneɛma no ne molecule mu duru hyia tẽẽ. Polymer nkɔnsɔnkɔnsɔn atenten (a ɛyɛ den kɛse) ma mmeae a ɛtwetwe nneɛma pii, a ɛko tia sɛ ɛbɛbubu wɔ nhyɛso ase. PET strap a ne viscosity yɛ 0.80 dl/g no taa bɛyɛ adwuma asen strap a wɔde 0.60 dl/g resin ayɛ wɔ break force ne impact resistance mu.

2.2 Ntrɛwmu ne Tension Retention

Viscosity nso ka sɛnea ahama no trɛw no. High-viscosity PET da elastic recovery a eye adi, a ɛkyerɛ sɛ ɛkɔ so kura nhyɛso mu bere tenten bere a adesoa ahorow no kɔ fam no. PET a ɛnyɛ den pii betumi atrɛw daa, na ɛde nnesoa a ɛho ayɛ hare aba bere a ɛrekɔ no.

2.3 Nneɛma a atwa yɛn ho ahyia a ɛko tia

Sɛnea nneɛma ho nyansahu mu nsɛm kyerɛ no, PET a ɛyɛ den kɛse no gyina UV a ɛsɛe ne ɔhyew mu onyin ano yiye sen nea ɛyɛ den a ɛba fam no. Eyi hwɛ hu sɛ ahama no kɔ so kura n’ahoɔden mu bere a wɔde sie abɔnten bere tenten anaasɛ wɔde fa po so no.

3. Nea efi Viscosity a ɛnteɛ mu ba

3.1 Sɛ Viscosity no Ba fam Dodo (< 0.60 dl/g) a .

• Brittle strap : Ahama no betumi apaapae anaasɛ apaapae bere a wɔreyɛ den no.

• Low break force : Ahama no di nkogu wɔ nnesoa a ahama a wɔakyerɛ no yiye betumi adi ho dwuma ase.

• Adwumayɛ a ɛnkɔ so pɛpɛɛpɛ : Batch-to-batch nsakrae ma production line gyae.

3.2 Sɛ Viscosity Kɔ soro Dodo (> 0.95 dl/g) .

• Processing nsɛm : High viscosity resin yɛ den sɛ extrude ne stretch, na ɛma ahoɔden a wɔde di dwuma kɛse na nnwinnade no sɛe.

• Stiffness : Ebia ahama no bɛyɛ den dodo sɛ ɛne nneɛma a wɔde ahyɛ mu no nsɛ, na ɛbɛma adesoa no atumi agyina pintinn.

4. Sɛnea Jushuo Packaging Di Viscosity So

Wɔ Jushuo Packaging no, yennyaw viscosity mma nea ɛbae ara kwa. Yɛde Solid State Polymerization (SSP) mfiridwuma di dwuma de hwɛ na yɛma yɛn PET resin no mu ntini a ɛyɛ den no gyina.

Sɛnea yɛn nneɛma a yɛyɛ ho nsɛm kyerɛ no, SSP mfiridwuma ma yetumi sesa nsunsuanso no pɛpɛɛpɛ wɔ 0.60 kosi 0.95 dl/g ntam. Eyi hwɛ hu sɛ batch biara a PET strap du botae tensile ahoɔden ne durability. Yɛnam aduruyɛdan mu sɔhwɛ a emu yɛ den so hwɛ sɛ ɛyɛ den, na yɛhwɛ hu sɛ abɔso a wɔawie no de adwumayɛ a ɛho hia ma mfiridwuma mu nneɛma a emu yɛ duru no ma.

5. Nhwehwɛmu a wɔyɛ wɔ Supplier Viscosity Control ho

5.1 Nwoma a wde bhy mu

Sɛ worepaw obi a ɔde PET strap bɛma a, bisa raw material specifications. Obi a wotumi de ho to so de nneɛma ma no de nkrataa a ɛkyerɛ sɛnea resin no mu yɛ den ne sɛnea abɔso a wɔawie no yɛ adwuma no bɛma. Saa ade a ɛda adi pefee yi kyerɛ sɛ viscosity control yɛ wɔn quality management nhyehyɛe no fã.

5.2 Nhwɛsoɔ Sɔhwɛ

Bisa nhwɛsode ahorow na sɔ hwɛ. Sɛnea nneyɛe pa a ɛyɛ papa kyerɛ no:

1. Tensile Test : Hwɛ sɛ break force no ne specification no hyia.

2. Elongation Test : Sua sɛnea abɔso no trɛw wɔ adesoa ase.

3. Visual Inspection : Hwɛ sɛ ebia ɔfasu no so sintɔ ahorow bi wɔ hɔ a ebetumi akyerɛ sɛ wɔanyɛ adwuma yiye anaa.

Tɔfabɔ

Intrinsic viscosity ne nkyerɛkyerɛmu a ahintaw a ɛkyerɛ ahoɔden ankasa a ɛwɔ PET strap (polyester strap) mu. a eye sen biara no 0.60 kosi 0.95 dl/g hwɛ hu sɛ polymer nkɔnsɔnkɔnsɔn no ware sɛnea ɛbɛyɛ a ɛbɛma ahoɔden a ɛkorɔn a ɛtwetwe ne ahoɔden a ɛyɛ den, bere a ɛda so ara yɛ nea wotumi yɛ ho adwuma de yɛ nneɛma a wotumi de ho to so.

Wɔ adetɔfo fam no, sɛ wɔte viscosity ase a, ɛboa ma wohu nsonsonoe a ɛda wɔn a wɔde nneɛma ma a ɛkorɔn ne wɔn a wotwitwa ntwea so no ntam. Ɛdenam viscosity control a wobɛhwɛ so no, wubetumi ahwɛ ahu sɛ PET strap a wobɛtɔ no bɛyɛ adwuma yiye wɔ dwumadie a ɛyɛ den mu.

Jushuo Packaging gyina hɔ sɛ wo polyester PET strap yɛfo a wogye wo di, de plastic strap ano aduru a ɛkorɔn a wɔde bɛboro mfe du nimdeɛ titiriw gyina akyi ma. Yɛn adwumayɛbea a ɛyɛ 15,000m. Esiane sɛ afe afe nneɛma a yɛtumi yɛ boro tɔn 20,000 nti, yɛhwɛ hu sɛ yɛde nneɛma a wɔde ma a wotumi de ho to so ne bo a ɛyɛ den ma nneɛma a wɔkra pii. Sɛ wo hia mmoa wɔ PET strap specifications anaa viscosity verification ho a, yɛsrɛ wo fa email kɔ sales@jushuopackaging.com , na yɛn adwumayɛfo kuw no de mmoa bɛma obiara.

Nsɛm a wɔde gyinaa so

1. Europa Boayikuw a Ɛhwɛ Gyinapɛn So. 'EN 13394:2001 – Nneɛma a wɔde kyekyere nneɛma – Nneɛma a wɔde kyekyere nneɛma ho – Nsɛm a ɛfa Polyester a wɔde kyekyere nneɛma ho.' CEN.eu , 2021.

2. ASTM Amanaman Ntam. 'ASTM D4603 – Standard Test Ɔkwan a wɔfa so kyerɛ sɛnea Poly(Ethylene Terephthalate) no mu nsuo a ɛyɛ den a ɛwɔ hɔ no.' ASTM.org , 2021.

3. Plastic Mfiridwumayɛfo Kuw. 'Polyester: Nneɛma ne dwumadie.' SPE.org , 2024.

4. Amanaman Ntam Ahyehyɛde a Ɛhwɛ Gyinapɛn So. 'ISO 1628-5 – Plastics — Polymers a ɛwɔ Dilute Solution mu no mu nsuo a ɛyɛ den ho nkyerɛkyerɛmu.' ISO.org , 2025.