Mungkan ting na plastic n san seng ai lam grau grau sawng wa ai hte maren, eco-friendly hten za mat chye ai plastic ni gaw kaga hparan ladat langai hku nna loi loi hte pru wa sai. Raitim, shanhte hte htunghking hku lang ai plastic ni a lapran ahkyak ai shai hkat ai lam ni gaw hpa ni rai kun? Hpaga lam hta kungkyang ai ni hpe san htai galaw nna, ahkaw ahkang lu ai shiga ni hpe sawk sagawn ai hku nna, shiga jaw ai wa gaw, arung arai ni a npawt nhpang, hkra machyi ai lam ni, grup yin hpe hkra machyi ai lam ni, jai lang ai lam ni hta shai hkat ai lam ni hpe hkrak tup sawk sagawn lu sai.
Arung arai ni a npawt nhpang hte galaw shapraw ai lam hte seng nna, htunghking plastic ni hpe n--bai gram lajang mai ai wan sau hte shingra wan zawn re ai nhprang wan sau ni kaw na polymerization reactions hku nna galaw shapraw ai rai nna, shingra tara hku nna n-gun yawm mat na matu yak hkak ai ngang grin ai molecular structure ni hte galaw ai re. Dai hte nhtan shai ai hku nna, eco-friendly hkrat sum chye ai plastic ni gaw, hkaulan mam n-gu, hpun n-gu, panglai hka htung ni zawn re ai bai gram lajang mai ai biomass ni kaw na law malawng lu la ai. Nkau mi arung arai ni hta mung, n-gun yawm mat chye ai n-gun dat ni hpe bang da nna, galaw shapraw ai shaloi carbon dat dat ai lam gaw, n-gun dat ni hpe lang ai plastic ni hta 30%-50% yawm ai (Miwa Plastic galaw shapraw ai hpaga hpung kaw na jahpan). Ga shadawn, polylactic acid (PLA) hten za mat chye ai plastic ni hpe hkaulan mam kaw na galaw ai rai nna, polyhydroxyalkanoates (PHA) hpe gaw, n-gun n-gun n-rawng ai n-gun dat ni hpe kam hpa ai lam kaw na dawm kau lu ai.
Degradation mechanism hte cycle ngu ai gaw, dai lahkawng a lapran na madung shai hkat ai lam rai nga ai. Hkrang nsam rawng ai plastic ni gaw shingra tara kata hta loi loi hte hten za mat na matu shaning latsa, hkying hkum law law pyi aten la ra ai rai nna, hten za mat ai aten hta, ga, hka n-gun, malu masha htinggaw ni de shang wa ai microplastics ni hpe shapraw ya ai majaw, shingra tara hpe aten galu-hten za shangun ai. Htap htuk ai masa hta (ga shadawn, nbung katsi ai, hka lim ai, n-gun n rawng ai shingra tara hta n-gun n rawng ai n-gun rawng ai plastic ni hpe shata 6 kaw nna 2 ning laman hta n kaja ai n-gun n rawng ai sha, carbon dioxide, hka, hte organic substances ni de tsep kawp hten za lu ai. Raitim, hpaji ninghkring ni shadum ai gaw, "pseudo-degradable" plastic nkau mi gaw, shingra tara makau grup yin hta hkrat sum ai atsam n law ai, laksan industrial composting masa ni hta sha hkrat sum mat chye ai, dai majaw, jai lang ai ni gaw, masat da ai masat kumla ni hpe chye na matu myit maju jung ra ai.
Htingbu htingbyen ni hpe hkra machyi shangun ai lam hte shim lum lam hte seng nna, htunghking plastic ni hpe grai lang ai majaw, grai sawng ai hpraw ai n san seng lam byin wa ai. Mungkan ting hta shaning shagu plastic ton wan 8 daram panglai de lwi shang wa ai majaw panglai hta nga ai shingra tara ni hpe si hkrung si htan byin shangun nga ai. Degradable plastics ni gaw nhprang sut rai ni hpe jai lang ai lam hpe shayawm ya ai sha n-ga, shanhte a hten za ai arung arai ni gaw ga nhpu a n-gun hpe jat ya lu nna, resource cycle hpe hpaw ya lu ai. Raitim, ya aten hta n-gun yawm mat chye ai plastic ni hpe galaw shapraw ai manu gaw grai law ai (htunghking plastic ni hta na 1.5-3 lang daram) hpe objective hku nna sadi ra ai, nkau mi a hkum hkrang atsam ningja ni rai nga ai katsi ai hpe ninghkap lu ai hte nbung hpe shang lu ai atsam ni hpe naw gram lajang ra ai majaw, mayak mahkak kaba ni hpe n-gun jaw ra ai.
Application scenario ni hte seng nna, htunghking plastic ni hpe manu n law ai hte ngang grin ai hku galaw lu ai majaw, shinggyin la ai arung arai ni, nta gap ai arung arai ni, electronics ni hte kaga lam law law hta grai lang ma ai. Maga mi de, hten za chye ai plastic ni gaw, n san seng ai lam byin chye ai hkai lu hkai sha ai lam hta, n hkru n kaja ai lam ni byin chye ai, n hkru n kaja ai malu masha htinggaw, gat seng htinggaw, shat sha ku ni zawn re ai, lang sha lang mai ai arung arai ni a matu grau htuk manu nga ai. Ya aten hta, mungdan law law hta, lang mi lang mai ai htunghking plastic arung arai ni hpe jai lang ai lam hpe pat shingdang na matu hte, hten za chye ai plastic ni hpe masha law law chye na hkra galaw na matu, tara masa ni hpe gyin shalat da sai.
Plastic awu asin byin ai lam hpe hparan na matu, hten za chye ai plastic ni hpe sha n kam sham ai sha, jai lang ai lam hpe shayawm ai hte bai jai lang ai lam zawn re ai ladat amyu myu hpe kahkyin gumdin ra ai lam, hpaga lam hpaji ninghkring ni tsun ai. Htawm hpang de hpaji masa rawt jat wa ai hte-baw galaw shapraw ai lam ni a majaw, hten za chye ai plastic ni a manu gaw loi loi hte yawm wa nna, shanhte a bungli galaw ai lam hpe matut nna grau kaja hkra galaw sa wa na re. Shanhte gaw, htunghking plastic ni hpe madi shadaw ya nna, grup yin makawp maga lam hpe jawm galaw sa wa na re.
