CN117144681A - 粘度稳定的浓缩型织物柔顺剂 - Google Patents
粘度稳定的浓缩型织物柔顺剂 Download PDFInfo
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- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
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- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
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Abstract
本发明提供了一种粘度稳定的浓缩型织物柔顺剂,其包含:7‑20重量%的阳离子表面活性剂;0.5‑2重量%的乳化稳定剂;0.2‑3重量%的粘度调节稳定剂;和织物护理领域可接受的载体,其中,所述乳化稳定剂为含有PEG亲水基结构的脂肪酸或脂肪醇酯,其中,所述粘度调节稳定剂是组分(a)脂肪酸甘油酯和组分(b)非离子表面活性剂的组合物。本发明还涉及粘度稳定的浓缩型织物柔顺剂的制备方法。
Description
技术领域
本发明涉及日化洗涤产品技术领域,具体涉及一种粘度稳定的浓缩型织物柔顺剂。
背景技术
织物柔顺剂是一类具有使织物柔软、蓬松、留香持久、消除静电等特点洗涤护理用品。因其能赋予织物在穿着和使用时给人带来柔软、顺滑、香氛持久等愉悦感,在一定程度上带来情绪价值,越来越受到广大消费者的喜爱。
根据中华人民共和国轻工行业标准QB/T 4535-2013的分类,织物柔顺剂可以分为普通型和浓缩型。其中普通型织物柔顺剂总固形物含量需≥3.5%,浓缩型织物柔顺剂总固形物含量需≥7%。目前,柔顺剂的主要柔软,抗静电的功能性原料以具有阳离子性的酯基季铵盐、咪唑啉季铵盐、酰胺季铵盐几大类为主。
浓缩型织物柔顺剂,因其相对浓缩的本质,在应用时具有添加量少,柔软抗静电效果突出,运输成本更低等特点,同时该体系方便添加香精微胶囊,进而带来持久留香的效果,越来越受到市场和消费者的青睐。但是,由于较高比例阳离子表面活性剂的添加,使得柔顺剂体系粘度过高,流动性较差,带来如下应用问题。一、洗衣机柔顺剂投放盒内残留量多,长时间累积残留存在微生物滋生问题,洗后织物存在影响皮肤健康风险。二、手洗衣物时,柔顺剂在清水中分散性较差,影响使用效果和消费者感官体验。三、经历低温存储后,容易出现凝结成团的情况,不易倾倒和分散。
目前,为了降低该类浓缩柔顺剂体系的粘度,一般以无机盐,尤其选用卤化钙,如氯化钙作为粘度调节剂,以降低体系粘度。但是,实验发现,这类无机盐对该类柔顺剂体系降粘明显,与此同时会带来新的问题,即粘度稳定性和高温稳定性问题。无机盐降粘体系粘度在常温存放条件下,随着时间推移体系粘度会明显降低,消费者在使用时容易产生对产品品质的怀疑和偷工减料的联想。同时,过量的无机盐的添加,在高温条件下,会发生分层现象,严重影响产品品质。因此,开发一款粘度合适并且粘度稳定的浓缩型织物柔顺剂,对产品的消费者体验、产品的质量控制都存在重要意义。
例如,授权专利CN 102112591B采用了添加氯化钙的方法来降低体系粘度。又如,公开专利CN 113802380 A通过脂肪酰胺甜菜碱诱导季铵盐类表面活性剂增稠,得到一种自增稠织物护理组合物。又如,发明专利CN 101775338B发现三乙醇胺酯基季铵盐与咪唑啉季铵盐复配后,能提高体系稳定性。又如,发明专利CN 101671602 B发现三乙醇胺酯基季铵盐与酰胺基季铵盐复配后,能够提高体系的稳定性。又如,发明专利CN 109097995B发现通过在三乙醇胺酯基季铵盐、酰胺基胺季铵盐、咪唑啉季铵盐中的至少一种或多种阳离子表面活性剂中加入多元醇型非离子表面活性剂进行复配,可以提高阳离子表面活性剂的分散性、低温稳定性。
迄今为止,还没有一种粘度合适并且粘度稳定的浓缩型织物柔顺剂,无需添加过量的无机盐,即可实现消费者体验满意、产品质量控制理想的效果。
发明内容
一方面,本发明提供了一种粘度稳定的浓缩型织物柔顺剂,其包含:
7-20重量%的阳离子表面活性剂;
0.5-2重量%的乳化稳定剂;
0.2-3重量%的粘度调节稳定剂;和
织物护理领域可接受的载体,
其中,所述乳化稳定剂为含有PEG亲水基结构的脂肪酸或脂肪醇酯,
其中,所述粘度调节稳定剂为组分(a)脂肪酸甘油酯和组分(b)非离子表面活性剂的组合物。
在优选的实施方式中,所述阳离子表面活性剂是双棕榈羧乙基羟乙基甲基硫酸甲酯铵盐。在优选的实施方式中,所述乳化稳定剂是PEG-60甘油异硬脂酸酯。
在优选的实施方式中,所述粘度调节稳定剂中组分(a)与组分(b)的重量比为0.1-1。在优选的实施方式中,所述组分(a)选自:甘油硬脂酸酯、甘油月桂酸酯、甘油油酸酯、或它们的组合。在优选的实施方式中,所述组分(b)选自:烷基糖苷类、脂肪醇聚氧乙烯醚类、或它们的组合。在优选的实施方式中,所述组分(b)选自:癸基葡糖苷、月桂基葡糖苷、C12-14链烷醇聚醚-9、或它们的组合。
在优选的实施方式中,所述织物柔顺剂还包含3-20重量%的抗冻剂,所述抗冻剂选自:丙二醇、双丙甘醇、丁二醇、1,3-丙二醇、甘油、或它们的组合。
另一方面,本发明涉及粘度稳定的浓缩型织物柔顺剂的制备方法,包括以下步骤:
(1)预混:将阳离子表面活性剂、乳化稳定剂、粘度调节稳定剂组分a和组分b混合,加热搅拌溶解;
(2)配置:将离子水和任选的抗冻剂加入配置锅,搅拌均匀;
(3)将预混料边搅拌边加入配置锅中,搅拌均匀;
(4)配置锅搅拌降温,得到粘度稳定的浓缩型织物柔顺剂。
在优选的实施方式中,所述步骤(1)在58-63℃的温度下进行。
发明详述
除非另有定义,本文所用的所有技术和科学术语具有本发明所属领域普通技术人员共同理解的相同含义。虽然与本文所述相似或等同的任何方法和材料可用于实施或测试本发明,但本文描述的是优选的方法和材料。对于本发明的目的,下面定义了以下术语。
本文所用术语“约”指与参比品的数量、水平、数值、维度、大小或用量相比,差异可高达30%、20%或10%的数量、水平、数值、维度、大小或用量。本文所使用的百分含量,除非另有说明,均以重量计。
在全篇说明书和权利要求书中,除非另有要求,以下词语“包含”和其变体“含有”和“包括”应理解为意指包括所述的整体或步骤,或一组整体或步骤,但不排除任何其它整体或步骤,或其它一组整体或步骤。
为了解决现有技术中浓缩型织物柔顺剂依靠无机盐调节粘度后,产品粘度不稳定,甚至容易出现分层问题,本发明意外地发现,以组分(a)脂肪酸甘油酯与组分(b)非离子表面活性剂组合物作为浓缩型织物柔顺剂的粘度调节稳定剂,该组合物对体系有调节粘度和稳定粘度的作用。因此,本发明制备得到一种粘度稳定的浓缩型织物柔顺剂。在优选的实施方式中,本发明的浓缩型织物柔顺剂不含无机盐类降粘剂。
阳离子表面活性剂
适用于本发明的阳离子型表面活性剂的类型包括烷基季铵盐(单、二或三)、苄基季铵盐、酯基季铵盐、乙氧基化季铵盐、咪唑啉季铵盐、酰胺季铵盐、烷基胺和它们的混合物,其中所述烷基具有约6-30个碳原子,优选约8-22个碳原子。
在优选的实施方式中,阳离子表面活性剂为酯基季铵盐,优选地为双棕榈羧乙基羟乙基甲基硫酸甲酯铵盐(Di-(Palm Carboxyethyl)Hydroxyethyl Methyl-ammoniumMethosulfate)。
在一个具体的实施方式中,阳离子表面活性剂是购自Evonik的商品名为REWOQUATWE 28 SH的双棕榈羧乙基羟乙基甲基硫酸甲酯铵盐。
在一些实施方式中,本发明的浓缩型织物柔顺剂包含7-20重量%的阳离子表面活性剂。在优选的实施方式中,本发明的浓缩型织物柔顺剂包含10-20重量%,更优选10-15重量%的阳离子表面活性剂。
乳化稳定剂
适用于本发明的乳化稳定剂为含有PEG亲水基结构的脂肪酸或脂肪醇酯。在优选的实施方式中,乳化稳定剂为PEG-60甘油异硬脂酸酯(PEG-60GLYCERYL ISOSTEARATE)。
在一个具体的实施方式中,乳化稳定剂是购自NIHON的商品名为EMALEX GWIS-160N的PEG-60甘油异硬脂酸酯。
在一些实施方式中,本发明的浓缩型织物柔顺剂包含0.5-2重量%的乳化稳定剂。在优选的实施方式中,本发明的浓缩型织物柔顺剂包含0.5-1重量%,更优选0.75重量%的乳化稳定剂。
粘度调节稳定剂
粘度调节稳定剂是组分(a)脂肪酸甘油酯和组分(b)非离子表面活性剂的组合物。
适用于本发明的脂肪酸甘油酯可以是含有约10至约22个碳原子的脂肪酸的甘油酯。在优选的实施方式中,脂肪酸甘油酯是含有12-18个碳原子的脂肪酸的甘油酯。
组分(a)脂肪酸甘油酯优选为甘油硬脂酸酯(GLYCERYL STEARATE)、甘油月桂酸酯(GLYCERYL LAURATE)、甘油油酸酯(GLYCERYL OLEATE)或它们的任意组合。
在一个具体的实施方式中,脂肪酸甘油酯是购自浙江物美生物技术有限公司的单硬脂酸甘油酯。
适用于本发明的非离子型表面活性剂包括但不限于:脂肪醇酸或酰胺乙氧基化物、单酸甘油酯乙氧基化物、去水山梨糖醇酯乙氧基化物、烷基聚糖苷和它们的混合物等。某些优选的非离子型表面活性剂包括多元醇酯的聚氧乙烯衍生物,其中所述多元醇酯的聚氧乙烯衍生物(1)衍生自(a)含有约8-约22,优选约10-约14个碳原子的脂肪酸,和(b)选自以下的多元醇:山梨醇、去水山梨糖醇、葡萄糖、α-甲基葡糖苷、平均每个分子具有约1-约3个葡萄糖残基的多聚葡萄糖、甘油、季戊四醇和它们的混合物;(2)平均含有约10-约120,优选约20-约80个氧乙烯单元;和(3)每摩尔多元醇酯的聚氧乙烯衍生物平均具有约1-约3个脂肪酸残基。多元醇酯的这种优选聚氧乙烯衍生物的例子包括但不限于:PEG-80失水山梨糖醇月桂酸酯和聚山梨醇酯20。
另一类合适的非离子型表面活性剂包括长链烷基葡糖苷或多聚葡糖苷,其是(a)含有约6-约22,优选约8-约14个碳原子的长链醇与(b)葡萄糖或含葡萄糖的聚合物的缩合产物。优选的烷基葡糖苷在每个烷基葡糖苷分子中包含约1-约6个葡萄糖残基。
在一些实施方式中,组分(b)非离子表面活性剂优选为烷基糖苷类或脂肪醇聚氧乙烯醚类。烷基糖苷优选为癸基葡糖苷(DECYL GLUCOSIDE)或月桂基葡糖苷(LAURYLGLUCOSIDE)。脂肪醇聚氧乙烯醚类优选为C12-14链烷醇聚醚-9(C12-14 PARETH-9)。
在一个具体的实施方式中,非离子表面活性剂是购自BASF的商品名为2000UP的癸基葡糖苷。在一个具体的实施方式中,非离子表面活性剂是购自BASF的商品名为/>A 9N的C12-14链烷醇聚醚-9。
在一些实施方式中,本发明的浓缩型织物柔顺剂包含0.2-3重量%的粘度调节稳定剂。在优选的实施方式中,本发明的浓缩型织物柔顺剂包含0.2-2重量%,更优选0.3-1重量%的粘度调节稳定剂。
在一些实施方式中,粘度调节稳定剂中组分(a)与组分(b)的重量比为0.1-1。在优选的实施方式中,粘度调节稳定剂中组分(a)与组分(b)的重量比为0.5-1。
其他成分
本发明的粘度稳定的浓缩型织物柔顺剂还包含其他成分,例如抗冻剂。
在一些实施方式中,抗冻剂为多元醇,优选为丙二醇(PROPYLENE GLYCOL)、双丙甘醇(DIPROPYLENE GLYCOL)、丁二醇(BUTYLENE GLYCOL)、1,3-丙二醇(PROPANEDIOL)、甘油(GLYCERIN)或其任意组合。
在一些实施方式中,浓缩型织物柔顺剂包含3-20重量%的抗冻剂。在优选的实施方式中,浓缩型织物柔顺剂包含3-10重量%,更优选3-5重量%的抗冻剂。
本发明的粘度稳定的浓缩型织物柔顺剂还包含还可包含防腐剂。在一些实施方式中,防腐剂是卡松。
在一些实施方式中,浓缩型织物柔顺剂包含0.05-0.2重量%的防腐剂。在优选的实施方式中,浓缩型织物柔顺剂包含0.1重量%的防腐剂。
本发明的浓缩型织物柔顺剂还包含织物领域可接受的载体。在优选的实施方式中,本发明的浓缩型织物柔顺剂是水性体系。因此,本发明的浓缩型织物柔顺剂还包含水或其他含水载体。
在优选的实施方式中,浓缩型织物柔顺剂的含水量至少为50%。在本发明的一些实施方式中,浓缩型织物柔顺剂的含水量为50-90重量%。在本发明的一些实施方式中,浓缩型织物柔顺剂的含水量为60-90重量%。在本发明的一些实施方式中,浓缩型织物柔顺剂的含水量为70-85重量%。
制备方法
本发明提供了粘度稳定的浓缩型织物柔顺剂的制备方法,包括以下步骤:
1)预混:将阳离子表面活性剂、乳化稳定剂、粘度调节稳定剂组分a和组分b混合,加热搅拌溶解;
2)配置:将离子水和任选的抗冻剂加入配置锅,搅拌均匀;
3)将预混料边搅拌边加入配置锅中,搅拌均匀;
4)配置锅搅拌降温,得到粘度稳定的浓缩型织物柔顺剂。
在优选的实施方式中,步骤(1)在50-70℃、优选55-65℃的温度下进行。在具体的实施方式中,步骤(1)在58-63℃的温度下进行。
在优选的实施方式中,步骤(2)在45-60℃、优选50-55℃的温度下进行。
在优选的实施方式中,步骤(3)在45-60℃、优选50-55℃的温度下进行。
在优选的实施方式中,步骤(4)在30-45℃、优选35-40℃的温度下进行。在具体的实施方式中,步骤(4)在38-40℃的温度下进行。
护理织物的方法
本发明还涉及护理织物的方法,所述方法包括使所述织物接触有效量的本发明的浓缩型织物柔顺剂。
在优选的实施方式中,织物与浓缩型织物柔顺剂的接触过程可以在手动漂洗中实现或者在自动洗衣机的漂洗循环中进行。
具体实施方式
以下,通过优选的实施方式对本发明的技术方案进行详细说明,但本发明的范围并不局限于这些实施方式,其旨在说明本发明的技术方案而不是限制本发明的范围。下列实施例中未注明具体条件的试验方法,通常按照常规条件,或按照制造厂商所建议的条件。除非另有说明,所有的百分比和份数按重量计。
在下述实施例中,本发明提供了一种粘度稳定的浓缩型织物柔顺剂,包含以下组分:
丙二醇,来自DOW;
REWOQUAT WE 28SH为双棕榈羧乙基羟乙基甲基硫酸甲酯铵盐,来自Evonik;
EMALEX GWIS-160N为PEG-60甘油异硬脂酸酯,来自NIHON;
单硬脂酸甘油酯,来自浙江物美生物技术有限公司;
2000UP为癸基葡糖苷,来自BASF;
A 9N为C12-14链烷醇聚醚-9,来自BASF。
粘度稳定的浓缩型织物柔顺剂的制备方法包括以下步骤:
1.预混:将阳离子表面活性剂、乳化稳定剂、粘度调节稳定剂组分a和组分b预加热至58-63℃,搅拌溶解均一,备用;
2.配置:将去离子水和抗冻剂加入配置锅,边搅拌边升温至50-55℃;
3.将预混料边搅拌边加入配置锅中,保温50-55℃,搅拌至均一;
4.配置锅搅拌降温至38-40℃,即可。
表1:实施例配方方案
同时,实验设计了对比例,包含以下组分:
丙二醇,来自DOW;
REWOQUAT WE 28SH为双棕榈羧乙基羟乙基甲基硫酸甲酯铵盐,来自Evonik;
EMALEX GWIS-160N为PEG-60甘油异硬脂酸酯,来自NIHON;
单硬脂酸甘油酯,来自浙江物美生物技术有限公司;
氯化钙,来自国药试剂;
PEG6000DS为PEG-150二硬脂酸酯,来自Vantage Specialty Chemicals。
对比例的制备方法包括以下步骤:
1.预混:将阳离子表面活性剂、乳化稳定剂、粘度调节稳定剂组分a、非离子型增稠剂预加热至58-63℃,搅拌溶解均一,备用;
2.配置:将去离子水和抗冻剂加入配置锅,边搅拌边升温至50-55℃;
3.将预混料边搅拌边加入配置锅中,保温50-55℃,搅拌至均一;
4.配置锅搅拌降温至40-42℃,加入降粘剂,继续搅拌至38-40℃,即可。
表2:对比例配方方案
测试例1:粘度稳定性测试
对制备的织物柔顺剂进行粘度测试,分别跟踪高温48℃条件下和低温4℃条件下0-4周的粘度变化情况。
表3:实施例粘度测试结果
表4:对比例粘度测试结果
从实施例1-5的粘度测试结果数据表可以看出,在本发明技术方案中,同时含有粘度调节稳定剂组分a)甘油硬脂酸酯和组分b)癸基葡糖苷或C12-14链烷醇聚醚-9组合物的配方体系高温和低温存储后均具有较稳定的粘度表现。
对比例1、对比例2和对比例3通过氯化钙调节体系粘度,高温4周后均出现粘度急剧下降,甚至分层的情况。对比例4没有添加粘度调节剂,最终体系粘度较高,存在使用上体验感较差的问题。从对比例5可以看出,添加PEG-150二硬脂酸酯类的非离子型增稠剂,会使体系粘度明显增加。
因此,本发明中的技术方案可以有效解决浓缩型织物柔顺剂体系粘度过高及粘度不稳定的问题,制备得到一种粘度稳定的浓缩型织物柔顺剂。
Claims (10)
1.一种粘度稳定的浓缩型织物柔顺剂,其包含:
7-20重量%的阳离子表面活性剂;
0.5-2重量%的乳化稳定剂;
0.2-3重量%的粘度调节稳定剂;和
织物护理领域可接受的载体,
其中,所述乳化稳定剂为含有PEG亲水基结构的脂肪酸或脂肪醇酯,
其中,所述粘度调节稳定剂为组分(a)脂肪酸甘油酯和组分(b)非离子表面活性剂的组合物。
2.如权利要求1所述的浓缩型织物柔顺剂,其特征在于,所述阳离子表面活性剂是双棕榈羧乙基羟乙基甲基硫酸甲酯铵盐。
3.如权利要求1所述的浓缩型织物柔顺剂,其特征在于,所述乳化稳定剂是PEG-60甘油异硬脂酸酯。
4.如权利要求1所述的浓缩型织物柔顺剂,其特征在于,所述粘度调节稳定剂中组分(a)与组分(b)的重量比为0.1-1。
5.如权利要求1所述的浓缩型织物柔顺剂,其特征在于,所述组分(a)选自:甘油硬脂酸酯、甘油月桂酸酯、甘油油酸酯、或它们的组合。
6.如权利要求1所述的浓缩型织物柔顺剂,其特征在于,所述组分(b)选自:烷基糖苷类、脂肪醇聚氧乙烯醚类、或它们的组合。
7.如权利要求1所述的浓缩型织物柔顺剂,其特征在于,所述组分(b)选自:癸基葡糖苷、月桂基葡糖苷、C12-14链烷醇聚醚-9、或它们的组合。
8.如权利要求1所述的浓缩型织物柔顺剂,其特征在于,所述织物柔顺剂还包含3-20重量%的抗冻剂,所述抗冻剂选自:丙二醇、双丙甘醇、丁二醇、1,3-丙二醇、甘油、或它们的组合。
9.如权利要求1-8中任一项所述的浓缩型织物柔顺剂的制备方法,包括以下步骤:
(1)预混:将阳离子表面活性剂、乳化稳定剂、粘度调节稳定剂组分a和组分b混合,加热搅拌溶解;
(2)配置:将离子水和任选的抗冻剂加入配置锅,搅拌均匀;
(3)将预混料边搅拌边加入配置锅中,搅拌均匀;
(4)配置锅搅拌降温,得到粘度稳定的浓缩型织物柔顺剂。
10.如权利要求9所述的方法,所述步骤(1)在58-63℃的温度下进行。
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