CN115262216B - 一种高白度抗菌粘胶纤维的制备方法 - Google Patents
一种高白度抗菌粘胶纤维的制备方法 Download PDFInfo
- Publication number
- CN115262216B CN115262216B CN202211041034.6A CN202211041034A CN115262216B CN 115262216 B CN115262216 B CN 115262216B CN 202211041034 A CN202211041034 A CN 202211041034A CN 115262216 B CN115262216 B CN 115262216B
- Authority
- CN
- China
- Prior art keywords
- antibacterial
- fiber
- viscose
- whiteness
- agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 122
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 111
- 229920000297 Rayon Polymers 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000009987 spinning Methods 0.000 claims abstract description 57
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000002156 mixing Methods 0.000 claims abstract description 30
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 26
- 229920000875 Dissolving pulp Polymers 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000006185 dispersion Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000002023 wood Substances 0.000 claims abstract description 9
- 239000002253 acid Substances 0.000 claims abstract description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 39
- 238000005406 washing Methods 0.000 claims description 30
- 239000000243 solution Substances 0.000 claims description 25
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 24
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 24
- 230000003009 desulfurizing effect Effects 0.000 claims description 20
- 239000002270 dispersing agent Substances 0.000 claims description 19
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 18
- 239000007844 bleaching agent Substances 0.000 claims description 13
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 13
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 13
- 229920001661 Chitosan Polymers 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 11
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 claims description 10
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims description 10
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 9
- 238000006477 desulfuration reaction Methods 0.000 claims description 8
- 230000023556 desulfurization Effects 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- 238000004383 yellowing Methods 0.000 claims description 8
- 241001397809 Hakea leucoptera Species 0.000 claims description 7
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 7
- 230000032683 aging Effects 0.000 claims description 7
- 150000001450 anions Chemical group 0.000 claims description 7
- 238000004061 bleaching Methods 0.000 claims description 7
- 238000007598 dipping method Methods 0.000 claims description 7
- 230000005070 ripening Effects 0.000 claims description 7
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical group [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 7
- 239000011550 stock solution Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 6
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 5
- 239000000539 dimer Substances 0.000 claims description 5
- 238000002386 leaching Methods 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 235000021122 unsaturated fatty acids Nutrition 0.000 claims description 5
- 150000004670 unsaturated fatty acids Chemical class 0.000 claims description 5
- 239000008041 oiling agent Substances 0.000 claims description 4
- 230000015271 coagulation Effects 0.000 claims 1
- 238000005345 coagulation Methods 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 9
- 238000011282 treatment Methods 0.000 abstract description 8
- 230000001112 coagulating effect Effects 0.000 abstract description 7
- 238000005520 cutting process Methods 0.000 abstract description 7
- 125000000129 anionic group Chemical group 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract description 2
- 238000001556 precipitation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000007670 refining Methods 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 6
- 241000222122 Candida albicans Species 0.000 description 5
- 241000588724 Escherichia coli Species 0.000 description 5
- 241000191967 Staphylococcus aureus Species 0.000 description 5
- 229940095731 candida albicans Drugs 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000004627 regenerated cellulose Substances 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000000373 fatty alcohol group Chemical group 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
- D01F2/08—Composition of the spinning solution or the bath
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with hydrogen peroxide or peroxides of metals; with persulfuric, permanganic, pernitric, percarbonic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/55—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- 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
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/59—Polyamides; Polyimides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Artificial Filaments (AREA)
Abstract
本发明公开了一种高白度抗菌粘胶纤维的制备方法,选择白度为89%以上、甲纤含量为90%以上的针叶木溶解浆与阔叶木溶解浆混粕,经一系列处理后制备粘胶纺丝原液,并与二氧化钛分散液混合均匀后送入纺丝。纺丝原液送至纺丝机,在酸浴槽中与凝固浴反应,凝固再生出初生纤维;凝固再生的初生纤维经牵伸、取向、切断后进入绒毛槽;从绒毛槽出来的粘胶短纤绒送入精炼机,在精炼的后处理工序采用抗菌整理液对纤维进行抗菌改性,经烘干后制得高白度抗菌粘胶纤维。本发明制备高白度抗菌粘胶纤维抗菌性能良好,具有环保安全的特点。在生产过程中有效解决了抗菌剂与阴离子型油剂混合产生沉淀、纤维抗菌效果差、纺前添加法出现的抗菌剂流失等问题。
Description
技术领域
本发明涉及化纤加工技术领域,尤其是涉及一种高白度抗菌粘胶纤维的制备方法。
背景技术
洁净高白度粘胶纤维是一类差别化粘胶纤维,已被广泛用于无纺布及卫材等领域。近年来,随着人们生活水平和健康意识的提高,开发具有抗菌功能的洁净高白度粘胶纤维具有重要意义。该类纤维常用于一次性材料,其对抗菌性能的要求不需要多次使用后仍保持有效,对其抗菌性能的评价通常采用国标《一次性卫生用品使用卫生标准》(GB15979~2002)。
目前,关于制备具有抗菌功能的洁净高白度粘胶纤维的研究报道较少。CN201810460170.6公开了一种洁净高白粘胶纤维的制备方法,但未涉及抗菌性能的研究。CN201610717396.0公开了一种抗菌高白非织造布用再生纤维素纤维生产工艺,在纺前注射器加入纳米抗菌剂和TiO2,以制备抗菌高白非织造布用再生纤维素纤维。该专利申请采用共混纺丝法制备抗菌纤维,但该方法存在抗菌剂流失、纺丝困难及抗菌剂影响微生物处理污水的效果等问题。专利申请CN201610740036.2公开了将粘胶纤维浸泡在阻燃剂和油剂的混合液中制备阻燃粘胶纤维的方法,但对于壳聚糖及其衍生物抗菌剂,若仅采用在粘胶纤维上油工序的油浴桶中加入该抗菌剂进行抗菌改性,则存在抗菌剂和油剂混合液中各组分之间发生团聚、抗菌性能较差、白度较低及不耐洗涤等问题。
发明内容
针对现有技术制备高白度抗菌粘胶纤维存在上述的抗菌性能较差、白度较低等问题,提供一种高白度抗菌粘胶纤维的制备方法,以满足一次性卫生用品抗菌标准的要求。
为解决上述问题,本发明的具体技术方案为:
一种高白度抗菌粘胶纤维的制备方法,包括:
(1)抗菌整理液的配制:
在温度为60~66℃水中加入4~6g/L的油剂、0.6~1.2g/L的双氧水和适量的稀硫酸,配成pH值为3~4的油浴;在油浴中,继续加入分散剂,混合10min后,再加入抗菌剂,混合10min,即得抗菌整理液。
进一步的,所述油剂的离子性为阴离子;所述抗菌剂为非溶出型抗菌剂,抗菌剂成分含柠檬酸、粘均分子量为5万的壳聚糖;所述抗菌整理液中抗菌剂的质量浓度为2.0~2.5%。
(2)粘胶纤维的制备:
选择白度为89%以上、甲纤含量为90%以上的针叶木溶解浆与阔叶木溶解浆,按6.5:100的质量配比进行混粕后,依次经浸渍、压榨、粉碎、老成、黄化、溶解和熟成步骤制备粘胶纺丝原液,并与二氧化钛分散液混合均匀后送入纺丝机;二氧化钛与粘胶原液中甲纤的质量配比为0.65:100;纺丝原液送至纺丝机后,通过计量泵由喷丝头喷出,在酸浴槽中与凝固浴反应,凝固再生出初生纤维;凝固再生的初生纤维经牵伸、取向形成具有一定强度的纤维经切断后进入绒毛槽;通过绒毛槽底部蒸喷管小孔喷出的蒸汽泡将纤维冲散而使纤维层厚度均一。
进一步的,所述二氧化钛粉体颗粒的粒径DN90≤1.0μm(即1.0μm以下的颗粒占90%);纺丝机的纺丝速度为50~53m/min。
(3)粘胶纤维的后处理:
从绒毛槽出来的粘胶短纤绒送入精炼机,依次经一水洗、脱硫、二水洗、漂白、三水洗、终水洗、抗菌整理、烘干后制得高白度抗菌粘胶纤维。
进一步的,所述脱硫过程使用的脱硫剂为氢氧化钠、硫化钠的混合液,氢氧化钠浓度为3~3.5g/L,硫化钠浓度为2~3g/L,脱硫温度为75~80℃。所述漂白剂为次氯酸钠,漂白剂有效浓度为1.0~2.0g/l。所述抗菌整理时间为90~100s。所述分散剂为含C18不饱和脂肪酸二聚体与乙二胺、己二胺、哌啶和癸二酸的聚合物成分的表面活性剂。所述烘干温度为130~145℃。
本发明还公开了一种上述任一制备方法制得的高白度抗菌粘胶纤维。
本发明所得的高白度抗菌粘胶纤维的技术参数为:纤度为1.65~1.75dtex;长度为40mm;干断裂强度≥2.0cN/dtex;干断裂伸长率为18.0%~23.0%;白度≥85.0%;成品纤维pH为6.3~7.3;其抗菌性指标满足国标《一次性卫生用品使用卫生标准》(GB15979~2002)中非溶出型抗菌剂的抑菌率指标要求。
本发明采用的二氧化钛粉体颗粒的粒径DN90≤1.0μm,有利于提高二氧化钛的抗菌作用。
本发明采用的纺丝速度为50~53m/min,有利于确保纤维在抗菌整理液中的浸渍效果。
本发明采用的分散剂具有较好的分散及防沉淀作用,以防止配置的抗菌整理液出现沉淀物。
本发明采用的抗菌剂为天然抗菌剂,具有广谱抗菌、对人体安全的特点。
本发明选择合适的抗菌剂浓度,以利于获得最佳的抗菌性能,减少过高含量的抗菌剂导致纤维白度下降。
本发明选择合适的烘干温度,以确保抗菌性能有耐洗性,并避免抗菌纤维在烘干中因过高温度而产生发黄现象。
本发明的有益效果在于:
(1)本发明优选壳聚糖抗菌剂,具有安全环保的特点,所制备的高白度抗菌粘胶纤维,抗菌性能较佳,可用于制备抗菌制品。
(2)本发明优选适当分子量的抗菌剂,以利于提高纤维的抗菌性能。
(3)本发明采用先加入分散剂后,再加入抗菌剂的方式,避免了采用抗菌剂与油剂混合产生团聚物的问题。
(4)本发明结合共混纺丝和后整理技术将二氧化钛、壳聚糖等助剂引入到纤维上,以获得满足《一次性卫生用品使用卫生标准》(GB15979~2002)的抗菌纤维。
具体实施方式
结合实施例说明本发明的具体技术方案。
实施例1
(1)抗菌整理液的配制:
在温度为60℃水中加入4g/L的油剂组分、0.6g/L的双氧水和稀硫酸,配成pH值为3的油浴;在油浴中,继续加入分散剂,混合10min后,再加入抗菌剂,混合10min后,制得抗菌整理液;所述的油剂的离子性为阴离子,所述的分散剂为含C18不饱和脂肪酸二聚体与乙二胺、己二胺、哌啶和癸二酸的聚合物成分的表面活性剂,所述的抗菌剂为非溶出型抗菌剂,抗菌剂成分含柠檬酸、粘均分子量为5万的壳聚糖;抗菌整理液中抗菌剂质量浓度为2.0%。
(2)粘胶纤维的制备:
选择白度为89%以上、甲纤含量为90%以上的针叶木溶解浆与阔叶木溶解浆,按6.5:100的质量配比进行混粕后,依次经浸渍、压榨、粉碎、老成、黄化、溶解和熟成步骤制备粘胶纺丝原液,并与二氧化钛分散液混合均匀后送入纺丝机;二氧化钛与粘胶原液中甲纤的质量配比为0.65:100;纺丝原液送至纺丝机后,通过计量泵由喷丝头喷出,在酸浴槽中与凝固浴反应,凝固再生出初生纤维;凝固再生的初生纤维经牵伸、取向形成具有一定强度的纤维经切断后进入绒毛槽;通过绒毛槽底部蒸喷管小孔喷出的蒸汽泡将纤维冲散而使纤维层厚度均一;所述二氧化钛粉体颗粒的粒径DN90≤1.0μm;所述纺丝机的纺丝速度为50m/min。
(3)粘胶纤维的后处理:
从绒毛槽出来的粘胶短纤绒送入精炼机,依次经一水洗、脱硫、二水洗、漂白、三水洗、终水洗、抗菌整理、130℃烘干后制得高白度抗菌粘胶纤维。所述脱硫过程使用的脱硫剂为氢氧化钠、硫化钠的混合液,其中氢氧化钠浓度为3g/L,硫化钠浓度为3g/L,脱硫温度为80℃。所述的漂白剂为次氯酸钠,所述的漂白剂有效浓度为1.0g/l。所述的抗菌整理液,包括调节pH值的稀硫酸、双氧水、阴离子型油剂、分散剂、抗菌剂,所述抗菌整理时间为100s。
本发明所得的高白度抗菌粘胶纤维的技术参数为:纤度为1.75dtex;长度为40mm;干断裂强度2.0cN/dtex;干断裂伸长率为23.0%;白度为87.0%;成品纤维pH为6.3;其抗菌性指标满足:对金黄色葡萄球菌的抑菌率为40.5%;对大肠杆菌的抑菌率为50.8%;对白色念球菌的抑菌率为30.8%。
实施例2
(1)抗菌整理液的配制:
在温度为66℃水中加入6g/L的油剂组分、1.2g/L的双氧水和稀硫酸,配成pH值为4的油浴;在油浴中,继续加入分散剂,混合10min后,再加入抗菌剂,混合10min后,制得抗菌整理液;所述的油剂的离子性为阴离子,所述的分散剂为含C18不饱和脂肪酸二聚体与乙二胺、己二胺、哌啶和癸二酸的聚合物成分的表面活性剂,所述的抗菌剂为非溶出型抗菌剂,抗菌剂成分含柠檬酸、粘均分子量为5万的壳聚糖;抗菌整理液中抗菌剂质量浓度为2.5%。
(2)粘胶纤维的制备:
选择白度为89%以上、甲纤含量为90%以上的针叶木溶解浆与阔叶木溶解浆,按6.5:100的质量配比进行混粕后,依次经浸渍、压榨、粉碎、老成、黄化、溶解和熟成步骤制备粘胶纺丝原液,并与二氧化钛分散液混合均匀后送入纺丝机;二氧化钛与粘胶原液中甲纤的质量配比为0.65:100;纺丝原液送至纺丝机后,通过计量泵由喷丝头喷出,在酸浴槽中与凝固浴反应,凝固再生出初生纤维;凝固再生的初生纤维经牵伸、取向形成具有一定强度的纤维经切断后进入绒毛槽;通过绒毛槽底部蒸喷管小孔喷出的蒸汽泡将纤维冲散而使纤维层厚度均一;所述二氧化钛粉体颗粒的粒径DN90≤1.0μm;所述纺丝机的纺丝速度为53m/min。
(3)粘胶纤维的后处理:
从绒毛槽出来的粘胶短纤绒送入精炼机,依次经一水洗、脱硫、二水洗、漂白、三水洗、终水洗、抗菌整理、145℃烘干后制得高白度抗菌粘胶纤维。所述脱硫过程使用的脱硫剂为氢氧化钠、硫化钠的混合液,其中氢氧化钠浓度为3.5g/L,硫化钠浓度为2g/L,脱硫温度为75℃。所述的漂白剂为次氯酸钠,所述的漂白剂有效浓度为2.0g/l。所述的抗菌整理液,包括调节pH值的稀硫酸、双氧水、阴离子型油剂、分散剂、抗菌剂,所述抗菌整理时间为90s。
本发明所得的高白度抗菌粘胶纤维的技术参数为:纤度为1.65dtex;长度为40mm;干断裂强度2.1cN/dtex;干断裂伸长率为18.0%;白度为86.0%;成品纤维pH为7.3;其抗菌性指标满足:对金黄色葡萄球菌的抑菌率为35.5%;对大肠杆菌的抑菌率为45.8%;对白色念球菌的抑菌率为27.8%。
实施例3
(1)抗菌整理液的配制:
在温度为65℃水中加入4g/L的油剂组分、1.0g/L的双氧水和稀硫酸,配成pH值为3.5的油浴(即上油液);在油浴中,继续加入分散剂,混合10min后,再加入抗菌剂,混合10min后,制得抗菌整理液;所述的油剂的离子性为阴离子,所述的分散剂为含C18不饱和脂肪酸二聚体与乙二胺、己二胺、哌啶和癸二酸的聚合物成分的表面活性剂,所述的抗菌剂为非溶出型抗菌剂,抗菌剂成分含柠檬酸、粘均分子量为5万的壳聚糖;抗菌整理液中抗菌剂质量浓度为2.2%。
(2)粘胶纤维的制备:
选择白度为89%以上、甲纤含量为90%以上的针叶木溶解浆与阔叶木溶解浆,按6.5:100的质量配比进行混粕后,依次经浸渍、压榨、粉碎、老成、黄化、溶解和熟成步骤制备粘胶纺丝原液,并与二氧化钛分散液混合均匀后送入纺丝机;二氧化钛与粘胶原液中甲纤的质量配比为0.65:100;纺丝原液送至纺丝机后,通过计量泵由喷丝头喷出,在酸浴槽中与凝固浴反应,凝固再生出初生纤维;凝固再生的初生纤维经牵伸、取向形成具有一定强度的纤维经切断后进入绒毛槽;通过绒毛槽底部蒸喷管小孔喷出的蒸汽泡将纤维冲散而使纤维层厚度均一;所述二氧化钛粉体颗粒的粒径DN90≤1.0μm;所述纺丝机的纺丝速度为52m/min。
(3)粘胶纤维的后处理:
从绒毛槽出来的粘胶短纤绒送入精炼机,依次经一水洗、脱硫、二水洗、漂白、三水洗、终水洗、抗菌整理、140℃烘干后制得高白度抗菌粘胶纤维。所述脱硫过程使用的脱硫剂为氢氧化钠、硫化钠的混合液,其中氢氧化钠浓度为3g/L,硫化钠浓度为2g/L,脱硫温度为80℃。所述的漂白剂为次氯酸钠,所述的漂白剂有效浓度为1.5g/l。所述的抗菌整理液,包括调节pH值的稀硫酸、双氧水、阴离子型油剂、分散剂、抗菌剂,所述抗菌整理时间为95s。本发明所得的高白度抗菌粘胶纤维的技术参数为:纤度为1.70dtex;长度为40mm;干断裂强度为2.2cN/dtex;干断裂伸长率为21.0%;白度为87.0%;成品纤维pH为6.8;其抗菌性指标满足:对金黄色葡萄球菌的抑菌率为50.0%;对大肠杆菌的抑菌率为55.0%;对白色念球菌的抑菌率为40.0%。
比较例1
(1)抗菌整理液的配制:
在温度为65℃水中加入4g/L的油剂组分、1.0g/L的双氧水和稀硫酸,配成pH值为3.5的油浴(即上油液);在油浴中,继续加入分散剂,混合10min后,再加入抗菌剂,混合10min后,制得抗菌整理液;所述的油剂的离子性为阴离子,所述的分散剂为脂肪醇聚氧乙烯醚表面活性剂,所述的抗菌剂为非溶出型抗菌剂,抗菌剂成分含柠檬酸、粘均分子量为5万的壳聚糖;抗菌整理液中抗菌剂质量浓度为2.2%。
(2)粘胶纤维的制备:
选择白度为89%以上、甲纤含量为90%以上的针叶木溶解浆与阔叶木溶解浆,按6.5:100的质量配比进行混粕后,依次经浸渍、压榨、粉碎、老成、黄化、溶解和熟成步骤制备粘胶纺丝原液,并与二氧化钛分散液混合均匀后送入纺丝机;二氧化钛与粘胶原液中甲纤的质量配比为0.65:100;纺丝原液送至纺丝机后,通过计量泵由喷丝头喷出,在酸浴槽中与凝固浴反应,凝固再生出初生纤维;凝固再生的初生纤维经牵伸、取向形成具有一定强度的纤维经切断后进入绒毛槽;通过绒毛槽底部蒸喷管小孔喷出的蒸汽泡将纤维冲散而使纤维层厚度均一;所述二氧化钛粉体颗粒的粒径DN90≤1.0μm;所述纺丝机的纺丝速度为52m/min。
(3)粘胶纤维的后处理:
从绒毛槽出来的粘胶短纤绒送入精炼机,依次经一水洗、脱硫、二水洗、漂白、三水洗、终水洗、抗菌整理、140℃烘干后制得高白度抗菌粘胶纤维。所述脱硫过程使用的脱硫剂为氢氧化钠、硫化钠的混合液,其中氢氧化钠浓度为3g/L,硫化钠浓度为2g/L,脱硫温度为80℃。所述的漂白剂为次氯酸钠,所述的漂白剂有效浓度为1.5g/l。所述的抗菌整理液,包括调节pH值的稀硫酸、双氧水、阴离子型油剂、分散剂、抗菌剂,所述抗菌整理时间为95s。
本发明所得的高白度抗菌粘胶纤维的技术参数为:纤度为1.70dtex;长度为40mm;干断裂强度为2.1cN/dtex;干断裂伸长率为21.0%;白度为87.0%;成品纤维pH为6.8;其抗菌性指标满足:对金黄色葡萄球菌的抑菌率为35.0%;对大肠杆菌的抑菌率为30.0%;对白色念球菌的抑菌率为25.0%。
实施例3和比较例1区别在于上油整理用的分散剂,对比可见,优选助剂的使用可显著提高粘胶纤维的抗菌性能。
比较例2
(1)上油液的配制:
在温度为65℃水中加入4g/L的油剂组分、1.0g/L的双氧水和稀硫酸,配成pH值为3.5的油浴(即上油液);所述的油剂的离子性为阴离子。
(2)粘胶纤维的制备:
选择白度为89%以上、甲纤含量为90%以上的针叶木溶解浆与阔叶木溶解浆,按6.5:100的质量配比进行混粕后,依次经浸渍、压榨、粉碎、老成、黄化、溶解和熟成步骤制备粘胶纺丝原液,并与二氧化钛分散液混合均匀后送入纺丝机;二氧化钛与粘胶原液中甲纤的质量配比为0.65:100;纺丝原液送至纺丝机后,通过计量泵由喷丝头喷出,在酸浴槽中与凝固浴反应,凝固再生出初生纤维;凝固再生的初生纤维经牵伸、取向形成具有一定强度的纤维经切断后进入绒毛槽;通过绒毛槽底部蒸喷管小孔喷出的蒸汽泡将纤维冲散而使纤维层厚度均一;所述二氧化钛粉体颗粒的粒径DN90≤1.0μm;所述纺丝机的纺丝速度为52m/min。
(3)粘胶纤维的后处理:
从绒毛槽出来的粘胶短纤绒送入精炼机,依次经一水洗、脱硫、二水洗、漂白、三水洗、终水洗、上油、140℃烘干后制得高白度粘胶纤维。所述脱硫过程使用的脱硫剂为氢氧化钠、硫化钠的混合液,其中氢氧化钠浓度为3g/L,硫化钠浓度为2g/L,脱硫温度为80℃。所述的漂白剂为次氯酸钠,所述的漂白剂有效浓度为1.5g/l。所述的上油液,包括调节pH值的稀硫酸、双氧水、阴离子型油剂,所述上油时间为95s。
本发明所得的高白度粘胶纤维的技术参数为:纤度为1.70dtex;长度为40mm;干断裂强度为2.3cN/dtex;干断裂伸长率为20.0%;白度为88.0%;成品纤维pH为6.8;其抗菌性指标满足:对金黄色葡萄球菌的抑菌率为40.0%;对大肠杆菌的抑菌率为35.0%;对白色念球菌的抑菌率为18.0%。
实施例3和比较例2区别在于上油液中是否添加壳聚糖、分散剂,对比可见,未添加壳聚糖也可获得一定的抗菌性能,但没有实施例3所制备抗菌纤维的抑菌率高。
需要说明的是,以上实施例仅用以说明本发明的技术方案而非限制。尽管参照较佳实施例对本发明进行了详细说明,本领域的普通技术人员应当理解,可以对发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的范围,其均应涵盖在本发明的权利要求范围中。
Claims (3)
1.一种高白度抗菌粘胶纤维的制备方法,包括:
选择白度为89%以上、甲纤含量为90%以上的针叶木溶解浆与阔叶木溶解浆,按6.5:100的质量配比进行混粕后,依次经浸渍、压榨、粉碎、老成、黄化、溶解和熟成,制得粘胶纺丝原液;
粘胶纺丝原液与二氧化钛分散液混合后送入纺丝机,通过计量泵由喷丝头喷出,在酸浴槽中与凝固浴反应,得到初生纤维;二氧化钛分散液与粘胶原液中甲纤的质量比为0.65:100;二氧化钛分散液中二氧化钛粉体颗粒的粒径DN90≤1.0 μm;所述纺丝机的纺丝速度为50~53m/min;
初生纤维经过牵伸、取向、切断后进入绒毛槽,得到纤维层厚度均一的粘胶短纤绒;粘胶短纤绒送入精炼机,依次经一水洗、脱硫、二水洗、漂白、三水洗、终水洗、抗菌整理、烘干,即得高白度抗菌粘胶纤维;
其中:
脱硫使用的脱硫剂为浓度为3~3.5g/L的氢氧化钠和浓度为2~3g/L的硫化钠的混合液,脱硫温度为75~80℃;漂白剂为有效浓度为1.0~2.0g/L的次氯酸钠;抗菌整理液中抗菌剂质量浓度为2.0~2.5%,整理时间为90~100 s;烘干温度为130~145℃;
所述抗菌整理液由如下方法制得:
在60~66℃水中加入4~6g/L的油剂组分、0.6g~1.2g/L的双氧水和适量稀硫酸,配成pH=3~4的油浴;油剂的离子型为阴离子;
在油浴中,继续加入分散剂,分散剂为含C18不饱和脂肪酸二聚体与乙二胺、己二胺、哌啶和癸二酸的聚合物成分的表面活性剂,混合10min后,再加入抗菌剂,抗菌剂为非溶出型抗菌剂,抗菌剂成分为含柠檬酸、粘均分子量为5万的壳聚糖,混合10min,即得抗菌整理液;
该高白度抗菌粘胶纤维的纤度为1.65~1.75dtex;长度为40mm;干断裂强度≥2.0 cN/dtex;干断裂伸长率为18.0%~23.0%;白度≥85.0%,成品纤维pH值为6.3~7.3。
2.一种根据权利要求1所述制备方法制得的高白度抗菌粘胶纤维。
3.根据权利要求2所述的高白度抗菌粘胶纤维,其中:
该高白度抗菌粘胶纤维的纤度为1.65~1.75dtex;长度为40mm;干断裂强度≥2.0 cN/dtex;干断裂伸长率为18.0%~23.0%;白度≥85.0%,成品纤维pH值为6.3~7.3。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211041034.6A CN115262216B (zh) | 2022-08-29 | 2022-08-29 | 一种高白度抗菌粘胶纤维的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202211041034.6A CN115262216B (zh) | 2022-08-29 | 2022-08-29 | 一种高白度抗菌粘胶纤维的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN115262216A CN115262216A (zh) | 2022-11-01 |
CN115262216B true CN115262216B (zh) | 2024-03-19 |
Family
ID=83755787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202211041034.6A Active CN115262216B (zh) | 2022-08-29 | 2022-08-29 | 一种高白度抗菌粘胶纤维的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115262216B (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR948135A (fr) * | 1946-06-18 | 1949-07-22 | American Cyanamid Co | Procédé pour la production de bis-alcoylolamides d'acides gras dimères |
GB1499138A (en) * | 1974-02-26 | 1978-01-25 | Ciba Geigy Ag | Anionic sulphonated polyesters process for their manufacture and their use as dispersants |
TWI234597B (en) * | 2001-06-08 | 2005-06-21 | Va & G Bioscience Inc | Processing method for applying Chitosan to antiseptic fiber |
CN102925132A (zh) * | 2012-10-26 | 2013-02-13 | 东营华力石油技术有限公司 | 一种热力采油用耐高温的蒸汽化学辅助剂 |
CN105908287A (zh) * | 2016-06-21 | 2016-08-31 | 金利芬 | 一种新型高效抗菌纤维制备方法 |
CN108588880A (zh) * | 2018-05-15 | 2018-09-28 | 赛得利(福建)纤维有限公司 | 一种洁净高白粘胶纤维的制备方法 |
CN109930225A (zh) * | 2019-02-20 | 2019-06-25 | 赛得利(福建)纤维有限公司 | 一种无氯漂高白粘胶纤维及其制备方法 |
-
2022
- 2022-08-29 CN CN202211041034.6A patent/CN115262216B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR948135A (fr) * | 1946-06-18 | 1949-07-22 | American Cyanamid Co | Procédé pour la production de bis-alcoylolamides d'acides gras dimères |
GB1499138A (en) * | 1974-02-26 | 1978-01-25 | Ciba Geigy Ag | Anionic sulphonated polyesters process for their manufacture and their use as dispersants |
TWI234597B (en) * | 2001-06-08 | 2005-06-21 | Va & G Bioscience Inc | Processing method for applying Chitosan to antiseptic fiber |
CN102925132A (zh) * | 2012-10-26 | 2013-02-13 | 东营华力石油技术有限公司 | 一种热力采油用耐高温的蒸汽化学辅助剂 |
CN105908287A (zh) * | 2016-06-21 | 2016-08-31 | 金利芬 | 一种新型高效抗菌纤维制备方法 |
CN108588880A (zh) * | 2018-05-15 | 2018-09-28 | 赛得利(福建)纤维有限公司 | 一种洁净高白粘胶纤维的制备方法 |
CN109930225A (zh) * | 2019-02-20 | 2019-06-25 | 赛得利(福建)纤维有限公司 | 一种无氯漂高白粘胶纤维及其制备方法 |
Non-Patent Citations (2)
Title |
---|
不同酸化剂的抑菌效果研究;张严等;饲料研究(第2期);1-4、21 * |
廖学品.天然高分子材料.四川大学出版社,2022,(第1版),177. * |
Also Published As
Publication number | Publication date |
---|---|
CN115262216A (zh) | 2022-11-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108588894A (zh) | 抗菌防螨防霉的再生纤维素纤维的制备方法及其应用 | |
CN108842207A (zh) | 一种环保抗菌纤维素纤维的制备方法 | |
US20080241530A1 (en) | Antimicrobial, Antifungal and Antiviral Rayon Fibers | |
CN106367831A (zh) | 一种抗菌除臭再生纤维素纤维的制备方法 | |
CN101724932B (zh) | 复合功能型竹浆纤维及其制备方法 | |
CN103643332B (zh) | 一种功能性复合纤维及其制备方法 | |
CN108048933B (zh) | 一种含铜抗菌粘胶纤维及其制备方法 | |
AT507758A1 (de) | Yarn and threads from blends of fibres and articles therefrom | |
DE60311324T2 (de) | Herstellungsverfahren für modifizierte zellulosefasern | |
KR20180136469A (ko) | 개질된 비스코스 섬유 | |
CN115262216B (zh) | 一种高白度抗菌粘胶纤维的制备方法 | |
CN103147144A (zh) | 一种溶解纤维素的方法以及制备再生纤维的方法 | |
CN101503834A (zh) | 胶原蛋白—Na-MMT复合纤维及其纺制工艺方法 | |
TW201938858A (zh) | 原纖化趨向被提昇的萊纖纖維 | |
CN108754659B (zh) | 一种青蒿素纤维素纤维及其制备方法 | |
CN101985781B (zh) | 炉甘石纤维素纤维的制备方法 | |
AT505492A1 (de) | Verfahren zur herstellung von cellulosischen formkörpern unter verwendung von bambuspapierzellstoff und formkörper aus diesem verfahren | |
CN114197210B (zh) | 一种疏水改性的粘胶纤维及其制备方法 | |
CN104746162B (zh) | 一种防霉变纤维素纤维及其制备方法 | |
US3575898A (en) | Polyvinyl chloride-antimony oxide flame-retardant mixtures for cellulosic spinning dopes | |
CN112342634A (zh) | 一种抗菌型纳米纤维素纤维的制备方法 | |
AU2016321846B2 (en) | Use of a lyocell fibre | |
JP5183329B2 (ja) | 抗菌性アクリル繊維の湿式紡糸方法 | |
CN107794584A (zh) | 抗菌高白非织造布用再生纤维素纤维及其生产工艺 | |
CN116163026B (zh) | 一种积雪草功能性纤维的制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |