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\u00a0<\/p>\n

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\u8fd1\u65e5\uff0c\u6155\u5c3c\u9ed1\u5de5\u4e1a\u5927\u5b66\u00a0JOHANNES A.\u00a0LERCHER<\/a>\u7b49\u4eba<\/span>\u63d0\u51fa\u4e00\u79cd\u72ec\u7279\u7684\u805a\u70ef\u70c3\u5b8c\u5168\u8f6c\u5316\u7684\u65b9\u6cd5\u3002\u8be5\u65b9\u6cd5\u4f7f\u7528\u9ad8\u79bb\u5b50\u53cd\u5e94\u73af\u5883\u6765\u63d0\u9ad8\u805a\u5408\u7269\u53cd\u5e94\u6d3b\u6027\u5e76\u964d\u4f4e\u79bb\u5b50\u8fc7\u6e21\u6001\u7684\u80fd\u91cf\u3002\u5c06\u805a\u5408\u7269 C-C \u952e\u7684\u5438\u70ed\u88c2\u89e3\u4e0e\u88c2\u89e3\u4ea7\u7269\u7684\u653e\u70ed\u70f7\u57fa\u5316\u53cd\u5e94\u76f8\u7ed3\u5408\uff0c\u53ef\u4ee5\u5c06\u805a\u4e59\u70ef\u548c\u805a\u4e19\u70ef\u5b8c\u5168\u8f6c\u5316\u4e3a\u6db2\u6001\u5f02\u70f7\u70c3\uff08C6<\/sub>\u81f3C10<\/sub>) \u5728\u4f4e\u4e8e 100\u00b0C \u7684\u6e29\u5ea6\u4e0b\u3002\u76f8\u5173\u7684\u7814\u7a76\u6210\u679c\u4ee5\u201cLow-temperature upcycling of polyolefins into liquid alkanes via tandem cracking-alkylation<\/em><\/strong>\u201d\u4e3a\u9898\u53d1\u8868\u5728\u77e5\u540d\u671f\u520aScience<\/em><\/strong>\u4e0a\u3002<\/p>\n

\"\"\u4e09\u3001\u3010\u6838\u5fc3\u521b\u65b0\u70b9\u3011<\/strong><\/span><\/p>\n

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2<\/strong>\u3001\u8be5\u5de5\u827a\u4f7f\u5e9f\u5f03\u805a\u4e59\u70ef\u5728<\/strong>70<\/strong>\u00b0<\/strong>C<\/strong>\u7684<\/strong>Lewis<\/strong>\u9178\u6027\u6c2f\u94dd\u9178\u76d0\u79bb\u5b50\u6db2\u4f53\u4e0a\u5b8c\u5168\u8f6c\u5316\u4e3a\u7a84\u5206\u5e03\u7684\u652f\u94fe\u6db2\u4f53\u70f7\u70c3\u3002\u9664\u4e86\u4ea7\u751f\u6d3b\u6027\u4f4d\u70b9\u7684\u529f\u80fd\u5916\uff0c\u79bb\u5b50\u6db2\u4f53\u4e2d\u9ad8\u6d53\u5ea6\u79bb\u5b50\u7684\u5b58\u5728\u5bf9\u4e8e\u805a\u70ef\u70c3\u5728\u4f4e\u7684\u6e29\u5ea6\u4e0b\u7684\u9ad8\u8f6c\u5316\u7387\u81f3\u5173\u91cd\u8981\u3002\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u7a33\u5b9a\u4f5c\u4e3a\u4e2d\u95f4\u4f53\u7684\u78b3\u6b63\u79bb\u5b50\uff0c\u4ece\u800c\u51b3\u5b9a\u88c2\u5316<\/strong>–<\/strong>\u70f7\u57fa\u5316\u53cd\u5e94\u4e2d\u7684\u603b\u53cd\u5e94\u901f\u7387\uff0c\u800c\u4e14\u8fd8\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5c06\u975e\u6781\u6027\u70f7\u70c3\u4ea7\u7269\u4ece\u53cd\u5e94\u4ecb\u8d28\u4e2d\u5206\u79bb\u51fa\u6765\u3002<\/strong><\/p>\n

\u56db\u3001\u3010\u6570\u636e\u6982\u89c8\u3011<\/strong><\/span><\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>1<\/strong> \u00a0\u4e00\u6b65\u50ac\u5316LDPE\u548ciC5<\/sub>\u572870\u2103\u548cLewis\u9178\u6027\u6c2f\u94dd\u9178\u76d0\u79bb\u5b50\u6db2\u4f53\u4e0a\u5347\u7ea7\u5faa\u73af\u6210\u6db2\u6001\u70f7\u70c3\u3002LDPE \u7684\u65f6\u95f4\u5206\u8fa8\u8f6c\u5316\u66f2\u7ebf\u548c\u70f7\u70c3\u7684\u7d2f\u79ef\u4ea7\u7387\uff08C4\uff0c\u7eff\u8272\u83f1\u5f62\uff1bC\u00a06\u81f3 C\u00a010\uff0c\u6a59\u8272\u4e09\u89d2\u5f62\uff1bC\u00a011\u81f3 C\u00a036\uff0c\u7ea2\u8272\u65b9\u5757\uff09\uff08\u5e95\u90e8\uff09\u3002\u53cd\u5e94\u6761\u4ef6\u5982\u4e0b\uff1aLDPE\uff0c200mg\uff1biC5<\/sub>, 800 \u6beb\u514b;\u00a0[C4<\/sub>Py]Cl-AlCl3<\/sub>\u00a0([C4<\/sub>Py]Cl-AlCl3<\/sub>\u6469\u5c14\u6bd41:2), 3 mmol;\u00a0TBC \u4f5c\u4e3a\u6dfb\u52a0\u5242\uff0c0.05 \u6beb\u6469\u5c14\uff085 \u6beb\u514b\uff09\uff1b\u4e8c\u6c2f\u7532\u70f7\uff0c3\u6beb\u5347\uff1b\u548c\u6e29\u5ea6\uff0c70\u00b0C\u3002LDPE \u8f6c\u5316\u7684\u5feb\u7167\uff08\u9876\u90e8\uff09\u4ece\u5de6\u5230\u53f3\u5206\u522b\u4e3a 0\u300160 \u548c 180 \u5206\u949f\u3002\u00a92023 AAAS<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>2<\/strong> \u00a0LDPE\u5bf9\u70f7\u70c3\u7684\u4f4e\u6e29\u50ac\u5316\u6027\u80fd\u53ca\u53cd\u5e94\u673a\u7406\u3002(A)\u5b58\u5728 TBC \u7684\u60c5\u51b5\u4e0b\uff0c\u5728\u4e0d\u540c\u6e29\u5ea6\u4e0bLDPE \u7684\u65f6\u95f4\u5206\u8fa8\u8f6c\u5316\u66f2\u7ebf\u3002(B) \u70f7\u70c3\uff08C4<\/sub>\u81f3C36<\/sub>\uff09\u7684\u76f8\u5e94\u8d28\u91cf\u4ea7\u7387\u4e0e LDPE \u8f6c\u5316\u7387\u7684\u5173\u7cfb\u56fe\u3002(C) LDPE \u8f6c\u5316\u7684 Arrhenius \u56fe\u3002 (D)\u63d0\u51fa\u4e86\u4e00\u79cd\u542b\u6709iC5\u7684\u805a\u70ef\u70c3\u7684\u4e32\u8054\u88c2\u89e3-\u70f7\u57fa\u5316\u53cd\u5e94\u673a\u7406\u3002\u00a92023 AAAS<\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>3<\/strong> \u6d88\u8d39\u540e\u805a\u70ef\u70c3\u5e9f\u7269\u9009\u62e9\u6027\u5206\u89e3\u6210\u6db2\u6001\u70f7\u70c3\u3002\u4f7f\u7528\u540e\u805a\u70ef\u70c3\u5e9f\u7269\u4e0eiC5<\/sub>\u548c[C4<\/sub>Py]Cl-AlCl3<\/sub>\u7684\u4e32\u8054\u88c2\u89e3\u70f7\u57fa\u5316\u7684\u4ea7\u54c1\u5206\u5e03\u3002\u00a92023 AAAS<\/p>\n

 <\/p>\n

\"\"<\/p>\n

\u56fe<\/strong>4<\/strong>\u5145\u5206\u8f6c\u5316\u805a\u4e59\u70ef\u548c\u5f02\u94fe\u70f7\u70c3\u5373\u7531\u56de\u6536\u7684\u8f7b\u8d28\u4ea7\u54c1\u5f62\u6210\u8fc7\u7a0b\u3002LDPE \u4e0e\u8f7b\u8d28\u94fe\u70f7\u70c3\u6df7\u5408\u7269\uff08C4<\/sub>\u81f3C6<\/sub>\uff09\u7684\u88c2\u5316-\u70f7\u57fa\u5316\u4f5c\u4e3a\u6765\u81ea\u805a\u70ef\u70c3\u89e3\u6784\u7684\u56de\u6536\u8f7b\u8d28\u4ea7\u54c1\uff0c\u53ef\u4ea7\u751f\u5b8c\u5168\u7684 LDPE \u8f6c\u5316\u548c\u652f\u5316C7+<\/sub>\u70f7\u70c3\u3002\u00a92023 AAAS<\/p>\n

\u4e94\u3001\u3010\u6210\u679c\u542f\u793a\u3011<\/strong><\/span><\/p>\n

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\u00a0<\/strong><\/p>\n

\u539f\u6587\u8be6\u60c5\uff1a<\/strong>https:\/\/www.science.org\/doi\/10.1126\/science.ade7485<\/p>\n

\u672c\u6587\u7531K . L\u64b0\u7a3f\u3002<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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