CINXE.COM

Just a moment...

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "publications.waset.org",cType: 'non-interactive',cRay: '9135db4deb9fce11',cH: 'QRD.lad_dHTXEBB5IsRJ3OU2sUV4nnk1DppMLpC3gh8-1739796139-1.2.1.1-JsRfr_EQRKw7s.FZ1vEgX9TdGTsnEj8kE.cnhHA.vrUxwCRoPN5pzkwDMDcF83Nj',cUPMDTk: "\/abstracts\/search?q=copolymers&__cf_chl_tk=LZrAVLoMiyfoe_pHmUfPX.6M8BncMDwvjfKkZCXjys8-1739796139-1.0.1.1-bzVYnXzCdwc7F6QoAINRQVgrlOUItQqysiEr7ONahcM",cFPWv: 'b',cITimeS: '1739796139',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/abstracts\/search?q=copolymers&__cf_chl_f_tk=LZrAVLoMiyfoe_pHmUfPX.6M8BncMDwvjfKkZCXjys8-1739796139-1.0.1.1-bzVYnXzCdwc7F6QoAINRQVgrlOUItQqysiEr7ONahcM",md: "Lju0.fu9m_zzGFRu7S2Xhzto3B9psGuk_YIC71tEEXM-1739796139-1.2.1.1-fGG4r9Ra84TlCnA0ZCDrinuGF6rBAUbpwVlQyBCeW0lsNRyDAszkHyqSgvKUjRuhrddfbUonEX7CJ176Jja.Xkl.SpGg6wYR8gvx5LOBlkvuIKl_jeIYcQRaEUhlqQFwJTpH4a6bT42AyXKYWgZogyguZnGn.7C_IKH7VwxEvmz.VMjD6dUMh2ndBRK0MphUrIwrkNL08YYLxHgPMLzSbaVJBZU7CatsCs_puutWfrkp9ZmA93_8ATO5ZQOFV6O_Tipg8tfE439dimS2wSnhXd37RBf8BCyk4M6QQHciJbMHHIM.FFWFFE5HfhbQfwZyUf7mwU85FAgZ6fvqE0NMY63AqdIw9pYXyzb43Sq1nW19jta.O7HV9FlKQ8yHz11jeja1ZkQuCohcnuOEeIRoMZ5AsPmU_H9oJPCXh9wWkcjZJgRhmL6gRJmXbHXSjVeeVhDRienSxBJ0RSHGMKMAafHDBNt9T9X1Ncr9muaJoNGtQUJouiGTuxWpCiULjAGOAvdai_d.CTsPWnKG9f5sb1_MzJXTHW4BrAeZeIDGmWU7uCCT6X8ndb7uG7c1ABwKg3VXg3nIkZu5hWRHVbeBMTRGmhpKb9PGeo2SX6rGnk0zKIivdUirCvN0yvG.sZYpJT_x7t2fMx1zrU_yq5b8cdzwGs9cOPzJfk4YtO_SuuZ1VO5sXJ980zKrUp.Zaj3mS1rV99i0a4RTyC8e56yX0yYWfd_AEpTCjLUDyr3b_OvEb_rTEGF.vskfKJymnAw3SqPx3VSTD7xIIz3tYrEBk6VVnlfkqlqwIig2Rpb.SmBbqrXIMbB7KH6xCtz79TkFr8ncYs1cEfX8d_C3keFsc32fjvmre2WxO0HvSN6vOSQdt98VESCTrsAPjz9Pyc4U73yp8Bwt3Nm9MDl1ep84GJjRB6i0j6Vj9qWMcU1VDb.EXJJoQKjJM.zMhpOugKPy6ARGkMlxKRdCuk4cLee2ydeeddiv4T85TSsbVw1FKbg9az7KhYiDx45SFBJbQ0zlpUT8OmEgypaPKfWviyXNyMaLJnPdcm3xOacHzaP.6.OivEOU5BdMaboAF2OiCFSqk7sp6t8R33HHnYtUojuz_.jcM5jQUejvCVeHBOyKia1dPrzALz0Brm6zzJ7dWXlMU462zNI7PrDOaagpZ1vEQkCUMvOxH4NHGqOOwz2u4FgWsyuTFane1anciauHSvY2RFusPpFI9x021v3WXmARf8MxtRZPq5oNXNf9wbKvM81qLSBaYHRyRIl3t5EG1PNYb.cyr09m_g0Y0TAd97q7HhpLbVnkYW9FNTevwjYfexD6gPeDAFblBFq7B8_3s93lQnZLGO1eK_PiiccR8w8aiWF4d5VmLiS2JxBApV9Q6VRHZ1ZK17wd..I8lbDjTlGHYGh191iP7eEuqFie1n0QpDtaRnm2cpWPQbQ5BQyRoCtKTrENYk7NluExaN4cvAkK0ZmEonRQeTUc0HilqX7uYsRBi29oi_vqPABdkEYPCCoaHXUl_YwgdyENNhdjCaciOD1D1ziSgtKfeKDkR5JJgFzCLuTsY9inLPoV2f07fFpgbGE67V51Tg.dvLnT0wvhFTzhOZOCo5kfneqC5r_VbZST7g.e_cR1B7_f5sjRsRwHCBilvyXLQ0y7BPmGDh93twL9kuba4qAF.Ud2xgRMqv.YVrJP5EBuubeUBrZLYhHSBnYVgP4YBLkpR9FR74wVN3aakmWNZNO.Xej2IiIE.Wx6QF3BNJX_hHh2zkADUlLP.8EW4mtSe2rCltBveV94Yz_PZQlg0iS0Dm818s1tT9vfvID3CsMCPc7sL5yerTQzHussUI3MBt3_EDQnQHe504rYKYcmam.DzdAPRiBkQ8Uuhy8T1ec0FErOaHv3zyP20q5yDe9LjILxGqwpcqUkmS31616ydvYiVlPItT2TdA",mdrd: "a4tUpymq2wnNh36EUVMG1fQIsJPV59DYHnXDKO8jn68-1739796139-1.2.1.1-EJjMVXY0Vw1z_E42y6kD.M4MXX3prqszZD0.nefRgym5t3N.MqKcgBBJztOell5DhHTSr8tjND_PhUasm5rhjbyQomRGzmZ7fsPT6u87AICtKDdQo9MDSuSAyjN4Z.FlP94QukWnIFrpe_AnaPj4RAXS4J.lIUVQ4y5hMwWj7a6kyKdbwO0YCLax7fgAfP7Ajjhs5gCbCbvo5w32COR5sWB0ddXcmDL.k2MD6t3FbtVx9LPgDdim2KcDAb3Rb2OEfCoRTAbSLFoKg9S1Z_6dY4jTJFGK61yLXZUAoDuz0M0.F.tAokjKkUbHyx9.vcwt4UNA_mzY96mpOX7dz7eolJpxg7biVFI_HJEfetQUToyySyZdJ.KaEPCGEiFVsSPhtcjEPoY91unDZoQbUXYXpcO7vvGn4ZHMmu6NxCmCAs7KgyKNgNNJvwBHlSJYr7ahzXvvMY8DA_WM0EWwJ0dOt8gLIMBmbsKv_XpRrNp5T.ofTfk5IaUrjC7htRRuvUYG30UmOF.Psm3wcxzQb9a4SrVzKlIG_RjltpCGPuDRRrALcev8gUROLyqn96jWJqPKXGUrMSnfkF9hfYUbmmeuLryWaIW2nSkJJhNLSaSlzIAqphluvug7VEU4G3aAvXYGwvQToxlv4PLmspeCt5ceyUGXRq5MKsPA7XT7DGciIgYcLpDakH8UnX8r.B8LvzcEsGJLFgunyBsm_tWhUQjjgTt9y11lh1eOLzQqE0eEl7MRqVmjzgPSocEukUk_K3piCZGIwQT6r7T5SHhWtwVyF4C22bEARQPaI2Eyn0CSARuJ.oEJebq2pmS0S98pXcgtZYXMiL4ikPyQKdIpUvSNa.oJ6cLWI_mMIawkatyM_KNZcQy_aINfDKXXmdgkIcJAxGRALLF6iXtugcxp5CRm9dRnLtK5gGipfNQrtsMuTmRlNG5tOhELQvRmONVen_rsHS72hR33fJXzwZMsK.YVWXmo2MO1kk3uQymJ5597wyuAadYBx2jLfU5hjp68NAv0rEw1PbwM9KOEqbtYItJ_QMV7PXM1R.fdX3.jQs75Oo7HvyliIA.WYVzsqYsr_GitxtPD7d0LQqGoifmcWSRQjoPk4xKQqa0MqtFGkaSVLczeK0s9OTdVrxVkvjfLvIhMWxdRBEWIPefSFcgAm6aA6BFOUsFjIFx6xdligtxbpzk.nEviuKmrQCSL2Ou2pCz.jelStx7m30KN9pQe1bjb2zJu4EsQW.IinQ7EYdM7zWNt1jg_Rsw2kxd0x8U9ATx27qq3eP6KGpBqmrhEBQFZzPRslFjA33Q6xZxhyZ6S6wnN5WS14ibJgShVEAHKxVI6rzaUwT50m3TOtSm9rzUnG_op7DAN73uAAP4W2p8aWY1Ima_9t1rcaKERPy.5c9qerROISXuBOQpnHRsUhZUh1ylAirCOBOI9eY1kY1gOoBsSLVlSfBCfDwKcTT_En5X.9oNI7pIyZogQpcm1vBqyTBl_rGqbjKy5NFL0tnWF4DLtjB6RkNvwGOSdqH5x79y7nZqAPAo2KiUZubaamhgmfSg.xk1bBCyWRKgyzS9nULS82RJSguJu0Xi87H9KOiYIaK6I86A3Fto3Q8FhbTrBNStJPubMIUSyDcMnPz8nkz60FVU1VLezYPIKLtl0lWJwb.gOnKQkoi4yQt7m5EKab8Qs2fmgsXOAaaTqtC.klHeqF2UbmgW9L5CZcjFvIKWHng08rVWbCg3q1FZjo3iKYCgShaFu567tW_kjM4KtIqTVyGxz8vVVaoEJ3vln1.FsT7u0COkDxwA9kPiy4Qm4vdsRMdLHqvoj5lSY6wtmRqnX1S0cSiTgrMzPEtwVX9rgBh2eeMmmD7TwwfKXlqaQAiimn4zbvKUDGEd7qYyq3g9pcGHhc3Twky8yjG_wfvW6U6Gec4QqWfVKOMkNlCBFthEKmaeSr53MM1d4Aayo2FyH14ZzZ9YBeW7dx8HXcSD03FnBMSP4RWheCzqAOrHGyg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9135db4deb9fce11';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/abstracts\/search?q=copolymers&__cf_chl_rt_tk=LZrAVLoMiyfoe_pHmUfPX.6M8BncMDwvjfKkZCXjys8-1739796139-1.0.1.1-bzVYnXzCdwc7F6QoAINRQVgrlOUItQqysiEr7ONahcM" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>