1. Taw qhia
Polystyrene (PS) yog ib qho khoom siv ntau yam thiab siv tau zoo thermoplastic polymer dav siv hauv ntim, khoom siv, thiab kev tsim kho. Muaj nyob rau hauv ob daim ntawv tseem ceeb - General Purpose Polystyrene (GPPS, crystal clear) thiab High Impact Polystyrene (HIPS, toughened nrog roj hmab) — PS muaj nuj nqis rau nws rigidity, yooj yim ntawm kev ua, thiab pheej yig. Kab lus no tshawb txog PS yas cov khoom, cov ntawv thov tseem ceeb, cov txheej txheem ua, thiab kev ua lag luam pom.
2. Cov khoom ntawm Polystyrene (PS)
PS muaj cov yam ntxwv sib txawv nyob ntawm nws hom:
A. General Purpose Polystyrene (GPPS)
- Optical Clarity - Pob tshab, zoo li iav zoo li.
- Rigidity & Brittleness - Nyuaj tab sis nquag tawg hauv kev ntxhov siab.
- Lub teeb - Tsawg ntom (~ 1.04-1.06 g / cm³).
- Hluav taws xob rwb thaiv tsev - Siv hauv cov khoom siv hluav taws xob thiab cov khoom siv pov tseg.
- Tshuaj Tiv Thaiv - Tiv thaiv dej, acids, thiab alkalis tab sis yaj hauv cov kuab tshuaj xws li acetone.
B. High Impact Polystyrene (HIPS)
- Txhim kho Toughness - Muaj 5-10% polybutadiene roj hmab rau kev cuam tshuam.
- Opaque Appearance - Tsawg pob tshab dua GPPS.
- Yooj yim Thermoforming - Zoo tagnrho rau ntim khoom noj thiab cov thawv ntim khoom pov tseg.
3. Kev siv tseem ceeb ntawm PS yas
A. Ntim Kev Lag Luam
- Cov thawv ntim khoom noj (cov khob pov tseg, clamshells, cutlery)
- CD & DVD Cases
- Protective Foam (EPS - Expanded Polystyrene) - Siv rau hauv ntim txiv laum huab xeeb thiab rwb thaiv tsev.
B. Cov khoom siv
- Cov Khoom Ua Si & Cov Ntawv Sau (LEGO zoo li cib, cwj mem casings)
- Cosmetic Containers (Compact case, lipstick tubes)
C. Electronics & Khoom siv
- Lub tub yees Liners
- Transparent Display Npog (GPPS)
D. Kev tsim kho & rwb thaiv tsev
- EPS Ua Npuas Ncauj Boards (Lub tsev rwb thaiv tsev, lub teeb yuag pob zeb)
- Kho kom zoo nkauj Moldings
4. Cov txheej txheem ua rau PS yas
PS tuaj yeem tsim tau siv ntau txoj kev:
- Txhaj Moulding (Nyob rau cov khoom nruj xws li cutlery)
- Extrusion (Rau nplooj ntawv, zaj duab xis, thiab profiles)
- Thermoforming (Siv hauv ntim khoom noj)
- Ua Npuas Ncauj Moulding (EPS) - Nthuav PS rau rwb thaiv tsev thiab cushioning.
5. Kev Lag Luam Trends & Challenges (2025 Outlook)
A. Sustainability & Regulatory Pressure
- Kev txwv tsis pub siv ib zaug PS - Ntau lub teb chaws txwv cov khoom siv pov tseg PS (xws li EU Txoj Cai Siv Ib Leeg Siv Plastics).
- Recycled & Bio-Based PS - Loj hlob thov rau eco-friendly lwm txoj kev.
B. Kev sib tw los ntawm lwm yam yas
- Polypropylene (PP) - Ntau dua kub-resistant thiab ruaj rau ntim khoom noj.
- PET & PLA - Siv nyob rau hauv recyclable / biodegradable ntim.
C. Regional Market Dynamics
- Asia-Pacific (Tuam Tshoj, Is Nrias teb) dominates PS ntau lawm thiab noj.
- North America & Europe tsom rau kev rov ua dua tshiab thiab EPS rwb thaiv tsev.
- Middle East nqis peev hauv PS ntau lawm vim cov nqi khoom noj qis.
6. Cov lus xaus
Polystyrene tseem yog cov yas tseem ceeb hauv kev ntim khoom thiab cov khoom siv vim nws cov nqi qis thiab kev ua haujlwm yooj yim. Txawm li cas los xij, kev txhawj xeeb ntawm ib puag ncig thiab kev tswj hwm txwv tsis pub siv ib zaug PS yog tsav kev tsim kho tshiab hauv kev rov ua dua tshiab thiab kev hloov pauv bio-based. Cov neeg tsim khoom hloov mus rau cov qauv kev lag luam ncig yuav txhawb nqa kev loj hlob hauv kev lag luam plastics hloov zuj zus.
Post lub sij hawm: Jun-10-2025