\n \t \u6d3b\u6027\u67d3\u6599\u8010H202\u7a33\u5b9a\u6027\u5f88\u5dee\uff0c\u67d3\u6d74\u4e2d\u4e00\u65e6\u6709H202\u5e26\u5165\uff0c\u67d3\u6599\u7684\u6d3b\u6027\u57fa\u56e2\u5c31\u4f1a\u906d\u5230\u7834\u574f\uff0c\u9020\u6210\u8272\u5dee\u3001\u8272\u82b1\u7b49\u67d3\u75b5\uff0c\u56e0\u800c\u67d3\u8272\u524d\u5fc5\u987b\u5c06\u7ec7\u7269\u53ca\u6c34\u6d74\u4e2d\u7684H202\u6e05\u9664\u3002\u751f\u7269\u9176\u8131\u6c27\u6cd5\u5feb\u6377\u6709\u6548\uff0c\u800c\u4e14\u8282\u80fd\u3001\u51cf\u6392\u3001\u589e\u6548\u4f18\u52bf\u7a81\u51fa\u3002<\/p>\n
\n 1. Question raising<\/p<\/p>\n
\n Pure cotton knitted gray fabrics usually contain more cotton fiber companions (such as waxy substances, pectin substances, ash, etc.). These companions greatly affect the wettability and dyeability of cotton fibers, so they must be passed through before dyeing. Refining and bleaching to remove it \ufffd\u9488\u7ec7\u7ec7\u7269\u7531\u4e8e\u7ecf\u7eb1\u4e0d\u4e0a\u6d6e\uff0c\u52a0\u4e4b\u7ec4\u7ec7\u89c4\u683c\u677e\u8f6f\uff0c\u576f\u5e03\u7684\u70bc\u6f02\u901a\u5e38\u5728\u67d3\u8272\u673a\u4e2d\u8fdb\u884c\uff0c\u800c\u540e\u7ecf\u6c34\u6d17\u518d\u4ee5\u6d3b\u6027\u67d3\u6599\u67d3\u8272\ufffd \ufffd\u7eaf\u68c9\u673a\u7ec7\u7269\u67d3\u8273\u4eae\u7684\u4e2d\u6d45\u8272\u6cfd\u65f6\uff0c\u4e5f\u5e38\u4f1a\u56e0\u70bc\u6f02\u534a\u5236\u54c1\u7684\u767d\u5ea6\u4e0d\u8db3\uff0c\u5728\u67d3\u8272\u524d\u518d\u8865\u505a\u4e00\u6b21\u590d\u6c27\u6f02\uff0c\u7ecf\u6c34\u6d17\u540e\u518d\u4ee5\u6d3b\u6027\u67d3\u6599\u67d3\u8272\ufffd \ufffd<\/p<\/p>\n
\n It is worth noting that in actual production, this process mode of oxygen bleaching before dyeing, washing with reactive dyes and then dyeing with reactive dyes generally suffers from poor color stability (shade, light), poor reproducibility, and inaccurate enlargement of small samples. Problems such as obvious color difference between tanks and uneven color (color flowers) (reactive dye dyeing also has the problem of slow fading during the washing process) \ufffd<\/p<\/p>\n
\n \t\u65e0\u8bba\u662f\u4f4e\u6e29\u578b\u6216\u9ad8\u6e29\u578b\u6d3b\u6027\u67d3\u6599\uff0c\u8fd8\u662f\u4e2d\u6e29\u578b\u6216\u70ed\u56fa\u578b\u6d3b\u6027\u67d3\u6599\uff0c\u5728\u542b\u6709H202\u7684\u67d3\u6d74\u4e2d\u67d3\u8272\uff0c\u5176\u5f97\u8272\u6df1\u5ea6\u90fd\u4f1a\u660e\u663e\u4e0b\u964d\uff0c\u4ec5\u4e0b\u964d\u5e45\u5ea6\u4e0d\u540c\u3002\u800c\u4e14\uff0cH202\u542b\u91cf\u8d8a\u9ad8\uff0c\u4e0b\u964d\u5e45\u5ea6\u8d8a\u5927\u3002\u5404\u79cd\u7c7b\u578b\u7684\u6d3b\u6027\u67d3\u6599\uff0c\u5728\u6d78\u67d3\u67d3\u8272\u4e2d\u8010H202\u7684\u7a33\u5b9a\u6027\u90fd\u6bd4\u8f83\u5dee\u3002<\/p>\n
\n \t(1)\u90e8\u5206\u67d3\u6599\u7684\u53d1\u8272\u56e2\u6216\u6d3b\u6027\u57fa\uff0c\u906d\u5230H202\u7684\u7834\u574f\uff0c\u4f7f\u67d3\u6599\u6d88\u8272\u6216\u5931\u53bb\u4e0a\u67d3\u80fd\u529b\u3002<\/p>\n
\n \t(2)\u90e8\u5206\u67d3\u6599-\u7ea4\u7ef4\u7d20\u7684\u7ed3\u5408\u952e\u53d1\u751f\u4e86\u65ad\u88c2\uff0c\u4f7f\u5df2\u4e0a\u67d3\u7684\u67d3\u6599\u8131\u843d\uff08\u4e00\u822c\u8bf4\u6d3b\u6027\u57fa\u7684\u5316\u5b66\u6d3b\u6027\u8d8a\u5f3a\uff0c\u67d3\u6599-\u7ea4\u7ef4\u952e\u8d8a\u5bb9\u6613\u65ad\u88c2\uff09\u3002\u8fd9\u53ef\u4ece\u4ee5\u4e0b\u5b9e\u9a8c\u4e2d\u5f97\u5230\u8bc1\u5b9e\u3002<\/p>\n
\n Divide the reactive dye dyeing fabric with a depth of 1.25% (o.w.f) into two parts (each weighing 2 grams) and place them respectively in a dye-free dyeing auxiliary bath (sodium hexametaphosphate) with a bath ratio of 1:50 1.5g\/L, salt 40g\/L, color-fixing alkali agent: medium temperature \ufffd\u548c\u9ad8\u6e29\u578b\u67d3\u6599\u4e3a\u7eaf\u78b120g\/L\uff0c\u4f4e\u6e29\u578b\u67d3\u6599\u4e3a\u7eaf\u78b15g\/L+\u56fa\u4f53\u70e7\u78b1lg\/L\uff09\uff0c\u5176\u4e2d\u4e4b\u4e00\u5916\u52a0100%H20210mg\/L\uff0c\u800c\u540e\u5206\u522b\u6309\u67d3\u6599\u7c7b\u578b\u6240\u8981\u6c42\u7684\u67d3\u8272\u6e29\u5ea6\u5904\u740650min\uff0c\u51c0\u6d17\ufffd \ufffd<\/p<\/p>\n
\n \t\u4ee5\u4e0d\u52a0H202\u7684\u5904\u7406\u6837\u6df1\u5ea6\u4f5c\u53c2\u6bd4\u6837(100%)\uff0c\u4e0e\u52a0H202\u7684\u5904\u7406\u6837\u6df1\u5ea6\u76f8\u5bf9\u6bd4\u8f83\u3002\u5904\u7406\u6837\u7684\u76f8\u5bf9\u6df1\u5ea6\u4ee5DatacolorSF\uff0c600x\u6d4b\u8272\u4eea\u68c0\u6d4b\u3002<\/p>\n
\n Table 1 H202 resistance stability of various types of reactive dyes and cellulose binding points<\/p<\/p>\n
\n <tbody
\n <t
\n <td rowspan="<\/p>\n <\/o:p<\/p>\n
Dye type<\/o:p
\n <\/
\n <td rowspan="<\/p>\n
<\/o:p<\/p>\n
Dye name<\/o:p
\n <\/
\n <td colspan="<\/p>\n
100%H202 concentration (mg\/L)<\/o:p
\n <\/
\n <\/t
\n <t
\n <td colspan="<\/p>\n
0<\/o:p
\n <\/
\n <td colspan="<\/p>\n
10<\/o:p
\n <\/
\n <\/t
\n <t
\n <<\/p>\n
Residual depth of sample cloth<\/o:p
\n <\/
\n <<\/p>\n
Color depth of residual liquid<\/o:p
\n <\/
\n <<\/p>\n
Residual depth of sample cloth<\/o:p
\n <\/
\n <<\/p>\n
Color depth of residual liquid<\/o:p
\n <\/
\n <\/t
\n <t
\n <<\/p>\n
<\/o:p<\/p>\n
Medium temperature type<\/o:p<\/p>\n
<\/o:p
\n <\/
\n <<\/p>\n
Reactive Red M-3BE<\/o:p<\/p>\n
Active Blue M-2GE<\/o:p<\/p>\n
Active bright yellow 6GLN<\/o:p<\/p>\n
Active Cuilan BGFN<\/o:p
\n <\/
\n <<\/p>\n
100<\/o:p<\/p>\n
100<\/o:p<\/p>\n
100<\/o:p<\/p>\n
100<\/o:p
\n <\/
\n <<\/p>\n
Light red<\/o:p<\/p>\n
Micro-blue<\/o:p<\/p>\n
Light yellow<\/o:p<\/p>\n
Light blue<\/o:p
\n <\/
\n <<\/p>\n
97 .58<\/o:p<\/p>\n
96. 11<\/o:p<\/p>\n
95. 62<\/o:p<\/p>\n
93 .99<\/o:p
\n <\/
\n <<\/p>\n
Light red<\/o:p<\/p>\n
Light blue<\/o:p<\/p>\n
Light yellow<\/o:p<\/p>\n
Light blue<\/o:p
\n <\/
\n <\/t
\n <t
\n <<\/p>\n
<\/o:p<\/p>\n
High temperature type<\/o:p<\/p>\n
<\/o:p
\n <\/
\n <<\/p>\n
Active bright yellow H-E4C<\/o:p<\/p>\n
Reactive red H-E3B<\/o:p<\/p>\n
Active Blue H-ERD<\/o:p<\/p>\n
Active Navy H-ER<\/o:p<\/p>\n
<<\/p>\n
100<\/o:p<\/p>\n
100<\/o:p<\/p>\n
100<\/o:p<\/p>\n
100<\/o:p
\n <\/
\n <<\/p>\n
Light yellow<\/o:p<\/p>\n
Light red<\/o:p<\/p>\n
Micro-blue<\/o:p<\/p>\n
Micro-blue<\/o:p
\n <\/
\n <<\/p>\n
95 .76<\/o:p<\/p>\n
96. 42<\/o:p<\/p>\n
99 .10<\/o:p<\/p>\n
95. 89<\/o:p
\n <\/
\n <<\/p>\n
Light yellow<\/o:p<\/p>\n
Light red<\/o:p<\/p>\n
Micro-blue<\/o:p<\/p>\n
Light blue<\/o:p
\n <\/
\n <\/t
\n <t
\n <<\/p>\n
<\/o:p<\/p>\n
Low temperature type<\/o:p<\/p>\n
<\/o:p
\n <\/
\n <<\/p>\n
Active Yellow L-3R<\/o:p<\/p>\n
Active Crimson L-4B<\/o:p<\/p>\n
Active Navy Blue L-3C<\/o:p<\/p>\n
Reactive black L-W<\/o:p
\n <\/
\n <<\/p>\n
100<\/o:p<\/p>\n
100<\/o:p<\/p>\n
100<\/o:p<\/p>\n
100<\/o:p
\n <\/
\n <<\/p>\n
Light yellow<\/o:p<\/p>\n
Light red<\/o:p<\/p>\n
Light blue<\/o:p<\/p>\n
Light gray<\/o:p
\n <\/
\n <<\/p>\n
98. 89<\/o:p<\/p>\n
97. 82<\/o:p<\/p>\n
98. 81<\/o:p<\/p>\n
100. 07<\/o:p
\n <\/
\n <<\/p>\n
Light yellow<\/o:p<\/p>\n
Light red<\/o:p<\/p>\n
Light blue<\/o:p<\/p>\n
Red light gray<\/o:p
\n <\/
\n <\/t
\n <\/tbody
\n <\/table>\n
\n \t\u6ce8\uff1a\u4e2d\u6e29\u578b\u67d3\u6599\u4e3a\u4e0a\u6d77\u7eba\u79d1\u5316\u5de5\u516c\u53f8\u4ea7\u54c1\uff0c\u9ad8\u6e29\u578b\u67d3\u6599\u4e3a\u53f0\u6e7e\u6c38\u5149\u5316\u5b66\u5de5\u4e1a\u80a1\u4efd\u4ea7\u54c1\uff0c\u4f4e\u6e29\u578b\u67d3\u6599\u4e3a\u4e0a\u6d77\u5b89\u8bfa\u5176\u7eba\u7ec7\u5316\u5de5\u80a1\u4efd\u4ea7\u54c1\u3002<\/p>\n
\n <\/p<\/p>\n
\n Table 1 data display: <\/p<\/p>\n
\n <\/p<\/p>\n
\n \t\u5728\u542bH202\u7684\u67d3\u6d74\u4e2d\uff0c\u5404\u79cd\u7c7b\u578b\u7684\u6d3b\u6027\u67d3\u6599\u4e0e\u7ea4\u7ef4\u7d20\u7ea4\u7ef4\u4e1a\u5df2\u5f62\u6210\u7684\u7ed3\u5408\u952e\uff0c\u4e5f\u4f1a\u4ea7\u751f\u4e00\u5b9a\u7a0b\u5ea6\u7684\u201c\u65ad\u952e\u201d\u73b0\u8c61\u3002\u4f46\u4ece\u6574\u4f53\u4e0a\u770b\uff0c\u5176\u201c\u65ad\u952e\u201d\u7a0b\u5ea6\u76f8\u5bf9\u8f83\u5c0f\u3002\u8fd9\u8bf4\u660eH202\u5bf9\u6d3b\u6027\u67d3\u6599\u67d3\u8272\u7ed3\u679c\uff08\u51cf\u8272\uff0c\u53d8\u8272\uff09\u7684\u5f71\u54cd\uff0c\u4e3b\u8981\u662f\u56e0\u67d3\u6599\u7684\u53d1\u8272\u56e2\u6216\u6d3b\u6027\u57fa\u906d\u5230\u7834\u574f\u6240\u81f4\u3002<\/p>\n
\n <\/p<\/p>\n
\n From the above experimental analysis, we can know: <\/p<\/p>\n
\n <\/p<\/p>\n
\n \t(1)\u6d3b\u6027\u67d3\u6599\u8010H202\u7a33\u5b9a\u6027\u5dee\uff0c\u662f\u67d3\u8272\u524d\u8fdb\u884c\u6c27\u6f02\u7ecf\u6c34\u6d17\u518d\u6d3b\u6027\u67d3\u6599\u67d3\u8272\uff0c\u5bb9\u6613\u4ea7\u751f\u8272\u6cfd\u4e0d\u7a33\u5b9a\u95ee\u9898\u7684\u75c7\u7ed3\u6240\u5728\ufffd This is because after the fabric is rope-shaped oxygen bleached in a jet overflow dyeing machine or an airflow dyeing machine, the H202 contained in the fabric is usually difficult to clean thoroughly. Once it is taken into the downstream dye bath, it will inevitably cause color (shade, light) changes. fluctuation \ufffd<\/p<\/p>\n
\n <\/p<\/p>\n
\n \t(2)\u6d3b\u6027\u67d3\u6599\u4e0e\u7ea4\u7ef4\u7d20\u7ea4\u7ef4\u7684\u7ed3\u5408\u952e\u6240\u5b58\u5728\u7684\u6c27\u5316\u6027\u201c\u65ad\u952e\u201d\u73b0\u8c61\uff0c\u662f\u6d3b\u6027\u67d3\u6599\u7684\u67d3\u8272\u7269\u5728\u670d\u7528\u6d17\u6da4\u8fc7\u7a0b\u4e2d\u4f1a\u4ea7\u751f\u9010\u6e10\u843d\u8272\u7684\u6839\u6e90\u3002\u8fd9\u662f\u56e0\u4e3a\uff0c\u5e38\u7528\u6d17\u5242\u4e2d\u4e00\u822c\u90fd\u542b\u6709\u8fc7\u787c\u9178\u94a0\u3001\u8fc7\u78b3\u9178\u94a0\u7b49\u6c27\u5316\u7269\uff0c\u5b83\u4eec\u4f1a\u4e0d\u540c\u7a0b\u5ea6\u5730\u50ac\u5316\u6d3b\u6027\u67d3\u6599\u4e0e\u7ea4\u7ef4\u7d20\u7ea4\u7ef4\u7ed3\u5408\u952e\u65ad\u88c2\u7684\u7f18\u6545\u3002<\/p>\n
\n <\/p<\/p>\n
\n 3. Response to problems<\/p<\/p>\n
\n To eliminate the negative impact of H202 on reactive dye dyeing results, there are two effective measures: <\/p<\/p>\n
\n <\/p<\/p>\n
\n 3.1 Washing and deoxidation method<\/p<\/p>\n
\n <\/p<\/p>\n
\n \t\u67d3\u8272\u524d\u70bc\u6f02\u6216\u6c27\u6f02\u540e\uff0c\u91c7\u7528\u70ed\u6c34\u6d17\u2192\u70ed\u6c34\u6d17\u2192\u6ea2\u6d41\u51b7\u6c34\u6d17\uff0c\u786e\u8ba4H202\u5df2\u5145\u5206\u6d17\u5c3d\u540e\uff0c\u65b9\u53ef\u4ee5\u6d3b\u6027\u67d3\u6599\u67d3\u8272\u3002<\/p>\n
\n <\/p<\/p>\n
\n \t\u8be5\u6cd5\u8017\u80fd\u5927\uff0c\u6392\u6c61\u591a\uff0c\u6210\u672c\u9ad8\uff0c\u663e\u7136\u4e0d\u7b26\u5408\u5f53\u4eca\u201c\u8282\u80fd\uff0c\u51cf\u6392\uff0c\u589e\u6548\u201d\u7684\u67d3\u6574\u7406\u5ff5\u3002<\/p>\n
\n <\/p<\/p>\n
\n 3.2 Biological deoxygenation method <\/p<\/p>\n
\n <\/p<\/p>\n
\n \t\u67d3\u8272\u524d\u70bc\u6f02\u6216\u6c27\u6f02\u540e\uff0c\u91c7\u7528\u51b7\u6c34\u6d17\u2192\u4e2d\u548c\u3001\u8131\u6c27\u3001\u67d3\u8272\u4e00\u6d74\u6cd5\u5de5\u827a\u3002<\/p>\n
\n <\/p<\/p>\n
\n \t(1)\u672c\u5de5\u827a\u6240\u7528\u751f\u7269\u9176\u4e3a\u8fc7\u6c27\u5316\u6c22\u9176\ufffd \ufffd\u5b83\u662f\u7531\u975e\u75c5\u539f\u6027\u7684\u5fae\u751f\u7269\u7ecf\u6df1\u5ea6\u53d1\u9175\u5236\u6210\u7684\ufffd It is specific and only works with H202. It can quickly decompose H202 into water and oxygen: 2H202\u2192catalase\u2192H20+02. It has good compatibility with fabrics, dyes, and auxiliaries (surfactants). , has no effect \ufffd<\/p<\/p>\n
\n <\/p<\/p>\n
\n \t\u8fc7\u6c27\u5316\u6c22\u7684\u4f73\u5b9e\u7528\u6761\u4ef6\u4e3a\uff1a\u6e29\u5ea635\uff5e50\u2103\uff0cpH\u503c6.5\uff5e7.5\uff0c\u6d53\u5ea6\u8bfa\u548cR\u8fc7\u6c27\u5316\u6c22\u917610L 0.25\uff5e0.5g\/L\uff08\u6839\u636e\u9700\u8981\uff09\u3002<\/p>\n
\n <\/p<\/p>\n
\n (2) The operation process of biological enzyme deoxidation method (taking the jet overflow machine as an example): <\/p<\/p>\n
\n <\/p<\/p>\n
\n \t\u2460 \u7ec7\u7269\u7ecf\u70bc\u6f02\u6216\u6f02\u767d\u540e\uff0c\u653e\u6389\u6f02\u6db2\u3002<\/p>\n
\n \t\u2461 \u5148\u7528\u51b7\u6c34\u6d17\u6da4\u7ea610min\uff0c\u6392\u6389\u6d17\u6c34\u3002<\/p>\n
\n \t\u2462 \u52a0\u5165\u6e05\u6c34\uff0c\u8fb9\u8fd0\u8f6c\u8fb9\u52a0\u5165\u9002\u91cf\u918b\u9178\uff0c\u8c03PH\u81f36.5-7.5\uff0c\u540c\u65f6\u5347\u6e29\u81f340-50\u2103\uff08\u6839\u636e\u9700\u8981\uff09\u3002<\/p>\n
\n \t\u2463 \u52a0\u5165\u751f\u7269\u9176\uff0c\u8fd0\u8f6c\u8131\u6c2710-20min\uff0c\u4e0d\u6392\u6db2\u3002<\/p>\n
\n \t\u2464 \u52a0\u5165\u67d3\u8272\u7528\u52a9\u5242\uff0c\u67d3\u6599\uff0c\u8c03\u6e29\u81f3\u67d3\u6599\u6240\u9700\u8981\u7684\u6e29\ufffd\ufffd\ufffd, and heat preservation and dyeing. <\/p>\n
\n <\/p<\/p>\n
\n (3) Catalase can quickly and effectively remove residual H202. Even if the concentration is excessive, it will not cause negative effects on fabrics or dyeing. Moreover, after H202 is decomposed, it only generates water and oxygen, and does not produce harmful substances, so it is a brand new green technology \ufffd<\/p<\/p>\n
\n <\/p<\/p>\n
\n \t(4)\u7531\u4e8e\u8be5\u5de5\u827a\u5728\u6c27\u6f02\u540e\uff0c\u53ea\u9700\u8981\u505a\u4e00\u9053\u51b7\u6c34\u6d17\uff0c\u4e2d\u548c\u8131\u6c27\u67d3\u8272\u53ef\u540c\u6d74\u8fdb\u884c\uff0c\u6240\u4ee5\uff0c\u4e0e\u6d17\u6da4\u8131\u6c27\u6cd5\u76f8\u6bd4\uff0c\u5b83\u5177\u6709\u7a81\u51fa\u7684\u201c\u8282\u80fd\uff0c\u51cf\u6392\uff0c\u589e\u6548\u201d\u4f18\u52bf\u3002\u7ecf\u6d4b\u6807\uff0c\u65f6\u95f4\u53ef\u8282\u770150%\uff0c\u6e05\u6c34\u53ef\u8282\u770170%\uff0c\u7528\u7535\u53ef\u8282\u770150%\uff0c\u7528\u6c7d\u53ef\u8282\u770120%\u3002<\/p>\n
\n <\/p<\/p>\n
\n 4Conclusion<\/p<\/p>\n
\n \t\u6d3b\u6027\u67d3\u6599\u5bf9H202\u975e\u5e38\u654f\u611f\ufffd \ufffd\u67d3\u6d74\u4e2d\u4e00\u65e6\u6709H202\u5b58\u5728\uff08\u5373\u4f7f\u6d53\u5ea6\u5f88\u4f4e\uff09\u6d3b\u6027\u67d3\u6599\u7684\u6d3b\u6027\u57fa\u56e0\u5c31\u4f1a\u4e0d\u540c\u7a0b\u5ea6\u5730\u906d\u5230\u7834\u574f\uff0c\u4ece\u800c\u4ea7\u751f\u660e\u663e\u7684\u8272\u5dee\uff0c\u8272\u82b1\u7684\u67d3\u75b5\ufffd Therefore, it is extremely important to completely remove the residual H202 from the fabric and its water bath before dyeing. Catalase deoxidation is the best process choice. It not only deoxidizes quickly and effectively, but also has significant “energy saving, emission reduction, and efficiency improvement.” Comprehensive effect \ufffd<\/p<\/p>\n
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