<section data-role="outer" class="article135" label="edit by 135editor"><section data-role="paragraph" class="_135editor"><p style="vertical-align:inherit;"><br></p><section class="_135editor" data-tools="135编辑器" data-id="113444"><section style="margin: 20px auto;"><section><section style="display: flex; justify-content: flex-start; align-items: flex-end; padding-left: 5px;"><section style="width: 50%; border-bottom: 1px solid rgb(221, 186, 118); max-width: 50% !important;" data-width="50%"><section style="width: 55px; margin-left: -5px; margin-bottom: -1px;"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 58.77 20.5" style="display: block;" xml:space="default"><g><g><path class="cls-1" style="fill:none;stroke:#ddba76;stroke-miterlimit:10;" d="M.5.5H48.1c3.5,0,6.34,2,6.34,4.5h0c0,2.49-2.84,4.5-6.34,4.5H6.85C3.34,9.5.5,11.51.5,14v1.5C.5,18,3.34,20,6.85,20H58.77"></path><path class="cls-1" style="fill:none;stroke:#ddba76;stroke-miterlimit:10;" d="M3.5.5H51.1c3.5,0,6.34,2,6.34,4.5h0c0,2.49-2.84,4.5-6.34,4.5H9.85c-3.51,0-6.35,2-6.35,4.5v1.5C3.5,18,6.34,20,9.85,20H53.77"></path></g></g></svg></section></section></section><section style="padding: 15px 20px;"><section data-autoskip="1" class="135brush" style="text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; color: rgb(51, 51, 51); background: transparent;">&nbsp; &nbsp; &nbsp;<span style="font-size: 16px;">腈纶纱染色时如何减少大小样之间的色差是很繁杂的问题，造成大小样色差的原因是多方面的，只能就一般情况下产生大小样色差的原因作简要分析如下：</span></section></section><section style="display: flex; justify-content: flex-end; align-items: flex-start; padding-right: 5px;"><section style="width: 50%; border-top: 1px solid rgb(221, 186, 118); display: flex; justify-content: flex-end; align-items: flex-start; max-width: 50% !important;" data-width="50%"><section style="width: 55px; margin-top: -1px; transform: translateX(5px);"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 58.77 20.5" style="display: block;" xml:space="default"><g><g><path class="cls-1" style="fill:none;stroke:#ddba76;stroke-miterlimit:10;" d="M.5.5H48.1c3.5,0,6.34,2,6.34,4.5h0c0,2.49-2.84,4.5-6.34,4.5H6.85C3.34,9.5.5,11.51.5,14v1.5C.5,18,3.34,20,6.85,20H58.77"></path><path class="cls-1" style="fill:none;stroke:#ddba76;stroke-miterlimit:10;" d="M3.5.5H51.1c3.5,0,6.34,2,6.34,4.5h0c0,2.49-2.84,4.5-6.34,4.5H9.85c-3.51,0-6.35,2-6.35,4.5v1.5C3.5,18,6.34,20,9.85,20H53.77"></path></g></g></svg></section></section></section></section></section></section><p style="vertical-align:inherit;"><font color="#303030" face="Arial, 微软雅黑, Microsoft yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, Microsoft Yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif"><br style="font-size: 16px;"></font><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">　　</span><strong><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">①&nbsp; 打小样对色时务必严格精确</span></strong></p><p style="vertical-align:inherit;"><font color="#303030" face="Arial, 微软雅黑, Microsoft yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, Microsoft Yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif"><b><br style="font-size: 16px;"></b></font><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">　　打小样是直接影响车间大生产的关键，必须充分认识其重要性方可避免大样与小样的差异。在打小样时应注意以下一些问题：a：打小样用水应与大样生产用水一致，避免水质问题影响大样与小样产生色光差异。b、打小样所用染料、助剂必须是同一批号、同一力份、同一牌号。试样所吸染料浓度应合理选用吸管，尽可能不要用大吸管吸取小体积的染液。小样所用染料、助剂必须现化现用。c、小样所用的腈纶纱样包括前处理方法，必须和大样一致。配色时必须选择染料K值相同或近似的K值，即染料的配伍值要基本一致，同时还必须选择与染料K值相同或差异不超过1的缓染剂，这样才能保证染液中各染料之间的比例关系，有利于染色质量色光的稳定性和重演性。d、打样的染浴pH值及升温工艺尽量与大生产相同或接近。e、对色应严格准确。</span></p><p style="vertical-align:inherit;"><font color="#303030" face="Arial, 微软雅黑, Microsoft yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, Microsoft Yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif"><br style="font-size: 16px;"></font><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">　　</span><strong><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">②&nbsp; 大小样染料助剂秤量产生误差</span></strong></p><p style="vertical-align:inherit;"><font color="#303030" face="Arial, 微软雅黑, Microsoft yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, Microsoft Yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif"><br style="font-size: 16px;"></font><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">　　打小样时染料秤量应使用分析天平或电子天平，避免使用砝码台秤，尽量减小误差。大样生产用染料秤量时，尽可能使用砝码台秤，要经常检查天平和台秤的灵敏度。</span></p><p style="vertical-align:inherit;"><font color="#303030" face="Arial, 微软雅黑, Microsoft yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, Microsoft Yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif"><br style="font-size: 16px;"></font><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">　　</span><strong><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">③&nbsp; 严格控制染浴的pH值</span></strong></p><p style="vertical-align:inherit;"><font color="#303030" face="Arial, 微软雅黑, Microsoft yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, Microsoft Yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif"><br style="font-size: 16px;"></font><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">　　小样生产一般控制pH值较慎重，大样生产时由于水质及直接蒸汽或间接蒸汽的交叉使用，往往锅炉蒸汽带人碱性而使染浴pH偏高。腈纶染色时染浴pH值应保持4.5～5范围内，否则色光会发生变化，产生色差。pH值偏高，染料的上染率和重演性都会产生影响，大小样色泽差异也越大。应加强染浴中pH值的测定或使用缓冲剂、或装置pH值在线监控仪。</span></p><p style="vertical-align:inherit;"><font color="#303030" face="Arial, 微软雅黑, Microsoft yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, Microsoft Yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif"><br style="font-size: 16px;"></font><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">　　</span><strong><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">④&nbsp; 控制染浴浴比</span></strong></p><p style="vertical-align:inherit;"><font color="#303030" face="Arial, 微软雅黑, Microsoft yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, Microsoft Yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif"><br style="font-size: 16px;"></font><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">　　打小样时一般浴比较大(1：30)，而大样筒子染色浴比较小(1：10左右)，为避免大小样浴比不同，对某些阳离子染料的浴比依存性较敏感，必须强调打小样时应在筒子染色小样机中进行。</span></p><p style="vertical-align:inherit;"><font color="#303030" face="Arial, 微软雅黑, Microsoft yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, Microsoft Yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif"><br style="font-size: 16px;"></font><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">　　</span><strong><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">⑤&nbsp; 严格执行工艺操作</span></strong></p><p style="vertical-align:inherit;"><font color="#303030" face="Arial, 微软雅黑, Microsoft yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, Microsoft Yahei, Hiragino Sans GB, 冬青黑体简体中文 w3, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif"><br style="font-size: 16px;"></font><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; color: rgb(48, 48, 48); font-family: Arial, 微软雅黑, &quot;Microsoft yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, &quot;Microsoft Yahei&quot;, &quot;Hiragino Sans GB&quot;, &quot;冬青黑体简体中文 w3&quot;, STXihei, 华文细黑, SimSun, 宋体, Heiti, 黑体, sans-serif;">　　实践证明工艺操作不同也是产生大小样色差的原因之一。工艺操作包括染料的溶解、醋酸的用量、染料和助剂的加入方法、升温程序、沸染时间等等都应严格按工艺要求操作，不能任意更改。打样人员应熟悉工艺操作，小样试样色光确定后，打样人员要深入车间作先锋试验，确保小样与大样生产的一致性。</span></p></section><section class="_135editor" data-role="paragraph"><p style="vertical-align:inherit;"><br></p></section></section>