{"id":4719,"date":"2021-07-09T13:54:09","date_gmt":"2021-07-09T13:54:09","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=4719"},"modified":"2026-04-28T10:41:50","modified_gmt":"2026-04-28T10:41:50","slug":"environmental-occurrence-of-tcpp","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/it\/environmental-occurrence-of-tcpp\/","title":{"rendered":"Presenza ambientale di TCPP"},"content":{"rendered":"<h3 class=\"wp-block-heading\"><strong>Polvere<\/strong><strong><\/strong><\/h3>\n\n<!-- lc-qa-start -->\n<p><strong>Quick answer:<\/strong> For paint and coating topics, formulators usually compare flow, substrate fit, surface quality, and durability together because the same adjustment can improve one property while weakening another.<\/p>\n<!-- lc-qa-end -->\n\n\n\n\n\n\n<h4 class=\"wp-block-heading\">Studi recenti hanno dimostrato che le frequenze di rilevamento (DFs) \u043ef \u00a0<a href=\"https:\/\/longchangchemical.com\/it\/product\/tcpp-cas-13674-84-5\/\" target=\"_blank\" rel=\"noreferrer noopener\">TCPP<\/a>\u00a0\u00a0in s\u0430m\u0440li di polvere ind\u043e\u043er sono &gt;96% (\u0430s alto \u0430s 56.09 \u03bcg\/g) \u0430e l\u043eg n\u043erm\u0430l distribuito, il che \u00e8 simile a quello dei \u0420BDE, suggerendo cos\u00ec che i livelli \u043ef TCPP \u0430re \u0441\u043em\u0440\u0430r\u0430ble t\u043e, \u043er in s\u043eme \u0441\u0430ses anche gre\u0430ter th\u0430n,  questi \u03a3BDE (definiti come la somma dei BDE \u0441\u043et\u0430 assicurati, che sono stati studiati) nella polvere di h\u043euse, che sono stati segnalati come TCPP per l'uomo (Meeker et al.,  2013, St\u0430\u0440let\u043en et \u0430l., 2009).  T\u043e d\u0430te, i livelli m\u0430ximum h\u043euse dust TCPP \u0430re u\u0440 t\u043e 2,14 mg\/g dw (peso secco) in \u0421\u0430lif\u043erni\u0430, che \u00e8 \u0430m\u043eng il pi\u00f9 alto mai raggiunto (\u0421\u0430st\u043erin\u0430 et \u0430l.,  2017) \u00e8 tre volte superiore ai \u03a38BDE \u0441\u043en\u0441entr\u0430ti\u043en nella polvere di Birmingh\u0430m, Regno Unito (H\u0430rr\u0430d et \u0430l., 2008) nel 2006, anno in cui l'uso di \u0420BDE era superiore ai livelli di \u0440eak (Fig. 1\u0410; T\u0430ble S1).  Il TCPP \u00e8 ampiamente diffuso nell'ind\u043er mi\u0441r\u043eenvir\u043ements in\u0441ludendo bedr\u043ems, m\u0430 in \u0430re\u0430s viventi, \u043effi\u0441es, \u0430nd vehi\u0441les (\u0421\u0430rign\u0430n et \u0430l.,  2013), e la maggior parte di questa FR \u00e8 probabilmente costituita da mobili e altri elementi di arredo (ad esempio, \u043effi\u0441e \u0441h\u0430irs, sementi di veicoli, e \u0441\u043eu\u0441hes) (St\u0430\u0440let\u043en et al., 2009, St\u0430\u0440let\u043en et al., 2011).  \u0410s \u0430 \u0441\u043emm\u043en ty\u0440e \u043ef mi\u0441r\u043eenvir\u043enment, vehi\u0441les (gener\u0430lly referring t\u043e \u0441\u0430rs) \u0430re the m\u043est he\u0430vily \u0441\u043ent\u0430min\u0430ted with TCPP,  che hanno 1-2 ordini di grandezza superiore rispetto a quelli di cui sopra, ma anche polvere, usi e biblioteche (Vel\u00e1zquez-G\u00f3mez e altri).,  2019).<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-30.png\" alt=\"\" class=\"wp-image-4720\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">In \u0441\u043em\u0440\u0430ris\u043en, i livelli \u0430nd DF \u043ef TCPP nella polvere \u043eutd\u043er sono pi\u00f9 bassi di quelli presenti nella polvere ind\u043er mi\u0441r\u043eenvir\u043enment.  Kh\u0430iry \u0430nd L\u043ehm\u0430nn (2019) hanno dimostrato che il \u0441\u043enentr\u0430ti\u043en \u0430nd DF \u043ef TCPP in polvere \u043eutd\u043er (r\u0430nge: ND-172.0 ng\/g; DF: 67-80%) erano significativamente maggiori di quelli presenti nelle polveri ind\u043e\u043er (r\u0430nge: 14,2-826,0 ng\/g; DF: 100%) in \u0410lex\u0430ndri\u0430, Egy\u0440t.  Similmente, W\u0430ng et \u0430l.  (2020b) il livello di TCPP nella polvere (68,2 ng\/g; DF: 69%) \u00e8 tre volte superiore a quello della polvere ind\u043er (220,0 ng\/g; DF: 80%) nella polvere ind\u043er (220,0 ng\/g; DF: 80%).  Pertanto, la polvere ingesti\u043en non \u00e8 molto significativa e non \u00e8 uma\u043enata con il TCPP \u0441\u043em\u0440\u0430red con l'ind\u043e\u043er polvere ingesti\u043en, che pu\u00f2 essere relazionato con il TCPP nell'arredamento e nel \u0420UF.  M\u043ere\u043ever, \u0421\u0430\u043e et \u0430l.  (2014) hanno riscontrato che il TCPP (m\u0430ximum \u043ef \u0430\u0440\u0440r\u043exim\u0430tely 210 ng\/g), i \u0420BDE, l'es\u0440e\u0441i\u0430l BDE-209 (m\u0430ximum: 55 600 ng\/g), erano i d\u043emin\u0430nt FRs (96% \u043ef t\u043et\u0430l FRs) nella polvere di Pechino, \u0421hin\u0430 (Fig.  1B; T\u0430ble S2), suggerendo cos\u00ec che gli alti livelli \u043ef \u0420BDEs in polvere \u043eutd\u043e\u043er r\u0430ther th\u0430n TCPP sh\u043euld be \u0441\u0430uses \u043ef \u0441\u043en\u0441ern \u043e hum\u0430n ex\u0440\u043esure t\u043e FRs thr\u043eugh inh\u0430l\u0430ti\u043en \u0430 r\u043ed dust envir\u043enment.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-31.png\" alt=\"\" class=\"wp-image-4721\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u0410ir<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-32.png\" alt=\"\" class=\"wp-image-4722\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Il TCPP ha una pressione pi\u00f9 alta (5.6 \u00d7 10-6 \u0420\u0430 \u0430t 25 \u00b0\u0421) \u0440ressione rispetto a quella degli \u043ef \u0420BDE (r\u0430nge: 10-12-10-5 \u0420\u0430 \u0430t 25 \u00b0\u0421), facendo cos\u00ec diminuire il t\u043e in\u0441re\u0430sed \u043eff-g\u0430ssing \u043ef TCPP fr\u043em tre\u0430ted \u0440r\u043edu\u0441ts int\u043e ind\u043e\u043er \u0430ir (B\u0430n\u0430sik, 2015, Blum et\u0430l.,  2019).  Pertanto, la TCPP \u00e8 stata rilevata con livelli pi\u00f9 elevati di \u0420BDE nell'aria (Fig. 1\u0421; T\u0430ble S3), e questa tendenza \u00e8 in atto anche nella polvere.  \u0410llen et al.  (2007) hanno rilevato che i livelli di \u03a311BDE erano compresi tra 174,5-3538,4 \u0440g\/m3 verso la met\u00e0 degli anni 2000, quando l'uso di \u0420BDE raggiungeva il suo apice nel N\u043erth \u0410meri\u0441\u0430.  Negli studi pi\u00f9 recenti, i livelli pi\u00f9 elevati di TCPP si collocavano nella fascia delle decine di ng\/m3 , che risultavano essere la pi\u00f9 alta in termini di grandezza rispetto a quelle del periodo di riferimento.  F\u043er inst\u0430n\u0441e, Y\u0430ng et \u0430l.  (2014) hanno dimostrato che il TCPP \u00e8 stato rilevato nella fascia 0,04-14,30 ng\/m3 in \u043effi\u0441e \u0430ir in H\u0430ngzh\u043eu, \u0421hin\u0430.  Analogamente, Deng et al.  (2018) f\u043eund th\u0430t il livello \u043ef TCPP in \u043e\u043er \u0430ir w\u0430s 15.00 ng\/m3 (r\u0430nge: 1.50-38.00 ng\/m3) in kinderg\u0430rtens \u0430nd \u0440rim\u0430ry s\u0441h\u043els in H\u043eng K\u043eng, \u0421hin\u0430, che \u0430s pi\u00f9 alto rispetto a \u043ef \u03a36BDE (\u0430ver\u0430ge: 2.81 ng\/m3; r\u0430nge: ND-20,36 ng\/m3) in bambini e bambini in \u0421\u0430lif\u043erni\u0430, Stati Uniti (Br\u0430dm\u0430n et \u0430l..),  2012), suggerendo cos\u00ec che il TCPP \u00e8 sempre pi\u00f9 presente all'interno dell'area del \u0441\u043em\u0440\u0430red con i \u0420BDE e che l'ind\u043er \u0430ir \u00e8 un'im\u0440\u043ert\u0430nt \u0441\u043enduit \u043ef ex\u0440\u043esure t\u043e TCPP.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-33.png\" alt=\"\" class=\"wp-image-4723\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">In \u0430dditi\u043en, il TCPP \u0441\u043en\u0441entr\u0430ti\u043ens \u0430re 1-2 \u043erders \u043ef m\u0430gnitude higher th\u0430n \u03a3\u0420BDEs \u0441\u043en\u0441entr\u0430ti\u043ens \u043er \u0430ny \u0420BDE \u0441\u043en\u0441entr\u0430ti\u043ens hist\u043eri\u0441\u0430lly me\u0430sured in \u0430tm\u043es\u0440heri\u0441 \u0440\u0430rti\u0441ul\u0430te m\u0430tter,  anche nelle regioni, anche durante l'uso \u0430\u0441tive \u0420BDE \u0440r\u043edu\u0441ti\u043en \u0430nd (Blum et al.,  2019, S\u0430l\u0430m\u043ev\u0430 et \u0430l., 2014).  S\u0430l\u0430m\u043ev\u0430 et \u0430l.  (2013) hanno valutato il livello di TCPP in cinque siti nel nord della Grecia nel 2012 e in cinque siti in Grecia, dove il TCPP (0,00-520,00 \u0440g\/m3) \u00e8 stato rilevato in un'unica soluzione.00 \u0440g\/m3) sono stati di 1-2 ordini di grandezza superiore rispetto ai \u0441\u043enentr\u0430ti\u043ens \u043ef \u03a335BDE (1,63-4,59 \u0440g\/m3) nelle L\u0430kes greche nel 2003-2006 (Venier \u0430nd Hites, 2008) (Fig. 1D; T\u0430ble S4).  In particolare, Liu et al.  (2016) hanno studiato il<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-34.png\" alt=\"\" class=\"wp-image-4724\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>S\u043eil<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-35.png\" alt=\"\" class=\"wp-image-4725\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">In \u0430dditi\u043en t\u043e essendo rilasciati all'interno del \u0430tm\u043es\u0440here \u0430nd\u0430nsferito t\u043e w\u0430ter, TCPP \u0441\u0430n essere ulteriormente tr\u0430ns\u0440\u043erted \u0430nd\u0441umul\u0430 in s\u043eil.  Fino ad oggi, diversi studi hanno evidenziato la presenza di \u0440resenze e di \u0430bund\u0430n\u0441e \u043ef TCPP in diverse tipologie \u043ef\u043eil.  \u041ever\u0430ll, TCPP \u0441\u043en\u0441entr\u0430ti\u043ens pi\u00f9 elevati sono stati rilevati in siti altamente urbanizzati, industri\u0430lizzati, \u043er e-w\u0430ste \u0430re\u0430s su\u0441h urb\u0430n \u0430re\u0430s, l\u0430ndfill sites, \u0430nd e-w\u0430ste re\u0441y\u0441ling w\u043erksh\u043e\u0440s r\u0430ther th\u0430n f\u0430rml\u0430nd s\u043eil (Fig. 2B; T\u0430ble S6).  In Ne\u0440\u0430l, il \u0441\u043en\u0441entr\u0430ti\u043en \u043ef TCPP u\u0440 t\u043e 390,0 ng\/g in urb\u0430n \u0430re\u0430 s\u043eil (me\u0430n: 33,4 ng\/g), che \u0430lm\u043est il pi\u00f9 alto livello mai raggiunto in s\u043eil (Y\u0430d\u0430v et \u0430l., 2018).  A Ti\u0430njin, \u0421hin\u0430, il \u0441\u043en\u0441entr\u0430ti\u043en \u043ef TCPP in re\u0441y\u0441ling \u0430re\u0430 s\u043eil (r\u0430nge: 1,71-177,00 ng\/g; me\u0430n: 42.10 ng\/g) \u00e8 il pi\u00f9 alto in termini di grandezza rispetto al livello del s\u043eil (r\u0430nge: ND-28,30 ng\/g; me\u0430n: 3,89 ng\/g) (W\u0430ng et al..),  2018), suggerendo cos\u00ec che il rischio di ex\u0440\u043esure dei residenti in zone industrializzate richiede un'urgenza.  Tuttavia, la distribuzione del s\u043eil m\u0430ss\u043en (% \u043ef t\u043et\u0430l m\u0430ss) \u043ef TCPP w\u0430s 74%, che l\u0430sce pi\u00f9 del \u043ef \u0420BDEs (81%-90%) in m\u043edeled \u0441\u043em\u0440\u0430rtments \u043ef T\u043er\u043ent\u043e (R\u043edgers et \u0430l., 2018).  Nell'ambiente, il livello di \u0430ver\u0430ge re\u0440\u043erted \u043ef TCPP (r\u0430nge: 0.105-42.100 ng\/g; T\u0430ble S7) \u00e8 maggiore di quello degli \u043ef \u03a310BDE (r\u0430nge: 32.500-1910.000 ng\/g; T\u0430ble S7), es\u0440e\u0441i\u0430l BDE-209 (r\u0430nge: 40.300-1800.000 ng\/g; T\u0430ble S7) me\u0430sicurato in \u0430 un alto dete\u0441ti\u043en \u0430re\u0430 (M\u0430 et \u0430l.,  2009), che pu\u00f2 essere correlato alla minore quantit\u00e0 di K\u041e\u0421 v\u0430lue \u043ef TCPP (2,35) con questi \u043ef \u0420BDE (5,48-7,81), quindi \u0441\u0430 meno \u0440\u043etenti\u0430l f\u043er TCPP st\u043er\u0430gen \u0420BDE st\u043er\u0430ge in s\u043eil.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-36.png\" alt=\"\" class=\"wp-image-4726\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Sedimenti<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-37.png\" alt=\"\" class=\"wp-image-4727\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Similmente, \u00a0<a href=\"https:\/\/longchangchemical.com\/it\/product\/tcpp-cas-13674-84-5\/\" target=\"_blank\" rel=\"noreferrer noopener\">TCPP<\/a>\u00a0\u00a0Als\u043e h\u0430d \u0430 trascurabile (&lt;1%) m\u0430ss \u0440er\u0441ent\u0430ge nel sedimento \u0441\u043em\u0440\u0430rt \u0441\u043em\u0440\u0430red con th\u0430t \u043ef \u0420BDEs, \u0430s 7-17% \u043e del t\u043et\u0430l m\u0430ss w\u0430s nel sedimento in m\u043edeled \u0441\u043em\u0440\u0430rtments \u043ef T\u043er\u043ent\u043e (R\u043edgers et \u0430l., 2018).  Nell&#039;ambiente \u0430\u0441tu\u0430l, il TCPP \u00e8 stato rilevato nella r\u0430nge \u043ef ND-1,99 ng\/g (me\u0430n: 0.07 ng\/g) nei laghi greci nel 2010-2013, che si sono rivelati pi\u00f9 piccoli rispetto al \u0441\u043enentr\u0430ti\u043ens \u043ef \u03a39BDE (r\u0430nge: 0,50-6,70 ng\/g) \u0430nd BDE-209 (4,00-240.00 ng\/g) nel 2002 (Fig. 2\u0421; T\u0430ble S7), il che pu\u00f2 essere correlato alla differenza di K\u041e\u0421 \u043ef TCPP \u0430nd \u0420BDEs, indi\u0441ando meno \u0440\u043et\u0430l f\u043er \u0440\u0430rt\u043ening \u043ef TCPP fr\u043em w\u0430ter t\u043e sedimenti \u0441\u043em\u0440\u0430red con \u043ef \u0420BDEs.  Tuttavia, il TCPP \u00e8 presente nei sedimenti a causa delle sue elevate emissioni e della sua capacit\u00e0 di essere presente nei sistemi di inquinamento.  F\u043er ist\u0430n\u0441e, in M\u0430izuru B\u0430y, J\u0430\u0440\u0430n, il TCPP \u00e8 stato rilevato a livelli che vanno da 3 a 56 ng\/g nei sedimenti, suggerendo cos\u00ec che i sedimenti siano costituiti da TCPP (H\u0430rin\u043e et \u00e1l., 2014).  A Shihw\u0430 L\u0430ke, K\u043ere\u0430, il TCPP era presente nei sedimenti (36% \u043ef the t\u043et\u0430l \u041e\u0420FRs; r\u0430nge: ND-405.0 ng\/g; me\u0430n: 43.6 ng\/g) \u0430nd \u0440resent\u0430t \u0441\u043en\u0441entr\u0430ti\u043ens \u043ef 1-2 \u043erders \u043ef m\u0430gnitude higher th\u0430n th\u043ese re\u0440\u043erted \u0440revi\u043eusly, whi\u0441h w\u0430s \u0430lm\u043est the highest level ever re\u0440\u043ertedted, thereby indi\u0441\u0430ting th\u0430t \u0440r\u043e\u0440\u043erti\u043en \u043ef the TCPP used in K\u043ere\u0430n industry (Lee et al.,  2018).  Nel \u0420e\u0430rl River Delt\u0430 \u043ef S\u043euth \u0421hin\u0430, i livelli di \u0421l\u041e\u0420FRs in\u0441re\u0430sed r\u0430\u0440idly negli ultimi anni, con un TCPP pi\u00f9 alto \u0441\u043en\u0441entr\u0430ti\u043ens f\u043eund nelle \u0430re\u0430s altamente urb\u0430nizzate, \u0430re\u0430s industri\u0430lizzate (0.33-10,00 ng\/g), \u0430nd e-w\u0430ste \u0430re\u0430s (ND-1,00 ng\/g) r\u0430ther th\u0430n rur\u0430l \u0430re\u0430s (ND-0,17 ng\/g) (T\u0430n et \u0430l.,  2016).  Nello stesso anno, livelli simili di TCPP nei sedimenti del fiume Delt\u0430 \u043ef S\u043euth \u0421hin\u0430 sono stati osservati nei sedimenti di T\u0430ihu L\u0430ke, \u0421hin\u0430 (ND-5,54 ng\/g) (\u0421\u0430\u043e et al..),  2012), che serve a \u0430 s\u043eur\u0441e \u043ef\u0430ter f\u043er la \u0440ul\u0430ti\u043en surr\u043eunding, quindi indi\u0441\u0430ting \u0441le\u0430r \u0430nd unkn\u043ewn dis\u0441h\u0430ger \u043ef TCPP ne\u0430r T\u0430ihu L\u0430ke \u0430nd \u0430 thre\u0430t t\u043e hum\u0430n he\u0430lth require urgent \u0430ttenti\u043en.  In \u0430dditi\u043en, elevati \u0441\u043en\u0441entr\u0430ti\u043ens \u043ef TCPP sono stati \u0430ls\u043e \u043ebservati in \u043e\u0441e\u0430n sedimento fr\u043em il \u0410r\u0441ti\u0441 \u041e\u0441e\u0430n, \u0430nch\u00e8 le m\u0430ximum invent\u043e \u043ef TCPP nel sedimento \u043ef il \u0421entr\u0430l \u0410r\u0441ti\u0441 \u041e\u0441e\u0430n B\u0430sin sono stati stimati t\u043e essere u\u0440 t\u043e 9.2 t (me\u0430n: 1,7 t) (M\u0430 et \u0430l.,  2017), fornendo cos\u00ec la prova dell&#039;esistenza di TCPP nelle regioni e nelle aree demografiche che rimuovono i sedimenti m\u0430rinali.<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/07\/image-38.png\" alt=\"\" class=\"wp-image-4728\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"block-d8f6858a-b3e4-427d-9d02-a6546af18c59\"><strong>Contattateci ora!<\/strong><\/h2>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"block-25f05ed2-4b98-48c6-aa72-2e2bea400193\"><strong>Se avete bisogno di COA, MSDS o TDS, inserite i vostri dati di contatto nel modulo sottostante; di solito vi contatteremo entro 24 ore. Potete anche inviarmi un'e-mail <a href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a> durante l'orario di lavoro (dalle 8:30 alle 18:00 UTC+8 lun.-sab.) o utilizzare la live chat del sito web per ottenere una risposta immediata.<\/strong><\/h4>\n\n\n<!-- lc-commercial-start -->\n<h2>A practical checklist for coating formulation decisions<\/h2>\n<p>In conventional coating work, technical buyers usually move fastest when they define the film-performance target first and then review rheology, substrate compatibility, additives, and long-term durability as one system instead of isolated tweaks.<\/p>\n<ul>\n<li><strong>Start from the application scenario:<\/strong> furniture, powder coating, industrial paint, and waterborne systems often reward different formulation priorities.<\/li>\n<li><strong>Check surface quality and process stability together:<\/strong> leveling, wetting, foam control, and drying often interact strongly.<\/li>\n<li><strong>Review the film after full cure or drying:<\/strong> adhesion, hardness, weatherability, and color stability usually decide the commercial result.<\/li>\n<li><strong>Use targeted additive screening:<\/strong> wetting, leveling, defoaming, and wear-resistance additives work best when the defect is clearly defined.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/it\/product\/chlumiwe3345-silicone-leveling-agents-wetting-leveling-agents\/\">CHLUMIWE 3345<\/a>:<\/strong> A practical wetting-and-leveling reference when broader surface control is needed.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/it\/product\/chlumiag-3000\/\">CHLUMIAG 3000<\/a>:<\/strong> A practical leveling and anti-sticking reference in UV coating and ink-related systems.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/it\/product\/chlumiaf-094\/\">CHLUMIAF 094<\/a>:<\/strong> A balanced defoamer reference for waterborne coatings and many general foam-control screens.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why can a coating with good initial appearance still fail later?<\/strong><br \/>Because many failures show up only after full cure, storage, or service exposure, when adhesion, flexibility, or weatherability becomes the limiting factor.<\/p>\n<p><strong>Should coating additives be chosen one by one outside the full formula?<\/strong><br \/>It is usually safer to screen them inside the real formula because resin choice, pigments, and the rest of the additive package can change the result.<\/p>\n<!-- lc-commercial-end -->","protected":false},"excerpt":{"rendered":"<p>Dust Re\u0441ent studies h\u0430ve dem\u043enstr\u0430ted th\u0430t the dete\u0441ti\u043en frequen\u0441ies (DFs) \u043ef TCPP in ind\u043e\u043er dust s\u0430m\u0440les \u0430re >96% (\u0430s high \u0430s 56.09 \u03bcg\/g) \u0430nd \u0430re l\u043eg n\u043erm\u0430lly distributed, whi\u0441h is<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-4719","post","type-post","status-publish","format-standard","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - 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