CN112406253A - 无纺布纤维板的制备方法及其纤维板 - Google Patents

无纺布纤维板的制备方法及其纤维板 Download PDF

Info

Publication number
CN112406253A
CN112406253A CN202011289910.8A CN202011289910A CN112406253A CN 112406253 A CN112406253 A CN 112406253A CN 202011289910 A CN202011289910 A CN 202011289910A CN 112406253 A CN112406253 A CN 112406253A
Authority
CN
China
Prior art keywords
parts
fiberboard
woven fabric
layer
temperature
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.)
Pending
Application number
CN202011289910.8A
Other languages
English (en)
Inventor
余敏
李方春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tonggao Textile Chemical Fiber Shenzhen Co ltd
Original Assignee
Tonggao Textile Chemical Fiber Shenzhen Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tonggao Textile Chemical Fiber Shenzhen Co ltd filed Critical Tonggao Textile Chemical Fiber Shenzhen Co ltd
Priority to CN202011289910.8A priority Critical patent/CN112406253A/zh
Publication of CN112406253A publication Critical patent/CN112406253A/zh
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/08—Impregnating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • C08L101/16—Compositions of unspecified macromolecular compounds the macromolecular compounds being biodegradable
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/084—Heating filaments, threads or the like, leaving the spinnerettes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/20—All layers being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B32B2260/023—Two or more layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/716—Degradable
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

本发明公开了一种无纺布纤维板，包括无纺布层和纤维板层，所述无纺布层的无纺布原料由如下组份：包括可降解聚合材料、聚丙烯，聚乳酸和余量的聚(甲基丙烯酸羟丙酯)；所述纤维板层由如下组份组成：改性液体石蜡，竹屑的用量，麦麸的用量，脲醛树脂，乳胶，PPE湿强剂，渗透剂，水。本发明无纺布纤维板具有优异的物理强度和降解性能，非常适合应用在在各个领域，具有较好的应用前景和环保价值。

Description

无纺布纤维板的制备方法及其纤维板
技术领域
本发明涉及无纺布技术领域，具体为无纺布纤维板的制备方法及其纤维板。
背景技术
纤维板又名密度板，是以木质纤维或其他植物素纤维为原料，施加脲醛树脂或其他适用的胶粘剂制成的人造板，制造过程中可以施加胶粘剂和/或添加剂，纤维板具有材质均匀、纵横强度差小、不易开裂等优点，用途广泛。但是目前的纤维板还存在诸多不足之处，一是强度相对较低，二是降解性能差，对环境会造成严重的污染。
因此，提供一种强度较高，且具备优良的降解性能的无纺布纤维板的制备方法及其纤维板是本发明亟需解决的问题
发明内容
本发明的目的在于提供无纺布及其制备方法以及具有该无纺布的卫生材料，以解决上述背景技术中提出的问题。
为实现上述目的，本发明提供如下技术方案：一种无纺布纤维板，包括无纺布层和纤维板层，所述无纺布层的无纺布原料由如下重量份的组份组成：包括40-60份的可降解聚合材料、20-30份的聚丙烯，1-6份的聚乳酸和余量的聚 (甲基丙烯酸羟丙酯)；所述纤维板层由如下重量份的组份组成：改性液体石蜡的用量为15-25重量份，竹屑的用量为10-20重量份，麦麸的用量为10-20重量份，脲醛树脂的用量为2-8重量份，乳胶的用量为1-8重量份，PPE湿强剂的用量为1-3重量份，渗透剂的用量为1-3重量份，水的用量为120-150重量份。
进一步地，所述无纺布层的无纺布原料由如下重量份的组份组成：40份的可降解聚合材料、20份的聚丙烯，4份的聚乳酸和余量的聚(甲基丙烯酸羟丙酯)。
进一步地，所述渗透剂选自烷基磺酸钠、烷基苯磺酸钠和烷基硫酸酯钠中的一种或多种。
一种无纺布纤维板的制备方法，包括如下步骤：
步骤一、纺粘纺丝，将聚合物物料混合均匀后在挤出机中熔融共混，然后输送到挤出模头进行纺丝，所述的模头温度为340-420℃，剪切速率为 100-200s-1，纺丝速度为400-600m/min，对形成的丝束进行屏蔽，经分丝铺网，得到可降解纺粘无纺布；
步骤二、熔喷纺丝：将聚合物物料混合均匀后在挤出机中熔融共混，然后将切片送进螺杆挤压机中熔融，得到的熔体经180-200℃的喷丝模头喷出后均匀铺成纤网，得到可降解熔喷布；熔喷所使用的高温热空气流速为600-700m/s，温度为180-230℃，所使用的冷却空气为常温空气，流速为0.8-1.2m/s；
步骤三、无纺布复合：所述的无纺布复合包括三层结构，中间层为步骤二工艺生产的可降解熔喷布，上下两层为步骤一工艺生产的可降解熔喷布可降解纺粘无纺布；按照顺序铺好三层布后使用0.8-6MPa的压力，80-130℃的压辊进行热轧，完成后即可得无纺布层待用；
步骤四、将植物纤维、石蜡乳液、竹屑、麦麸、脲醛树脂、乳胶、PPE湿强剂、渗透剂、和水混合后得到浆料；
步骤五、将无纺布放入浆料浸泡20-40分钟；
步骤六、将沾满浆料的无纺布经热压成型工艺得到环保纤维板；热压成型工艺的条件至少包括：热压温度为160-180℃，热压时间为5-8min，热压压力为30kg/cm-110kg/cm。
进一步地，竹屑和麦麸在使用前需进行粉碎，使其平均粒径不高于100目。
与现有技术相比，本发明的有益效果是：
本发明无纺布纤维板具有优异的物理强度和降解性能，非常适合应用在在各个领域，具有较好的应用前景和环保价值。
具体实施方式
下面将结合本发明实施例中的，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例1
一种无纺布纤维板，包括无纺布层和纤维板层，所述无纺布层的无纺布原料由如下重量份的组份组成：包括40份的可降解聚合材料、20份的聚丙烯，1 份的聚乳酸和余量的聚(甲基丙烯酸羟丙酯)；所述纤维板层由如下重量份的组份组成：改性液体石蜡的用量为15重量份，竹屑的用量为10重量份，麦麸的用量为10重量份，脲醛树脂的用量为2重量份，乳胶的用量为1重量份，PPE 湿强剂的用量为1重量份，渗透剂的用量为1重量份，水的用量为120重量份。
所述无纺布层的无纺布原料由如下重量份的组份组成：40份的可降解聚合材料、20份的聚丙烯，4份的聚乳酸和余量的聚(甲基丙烯酸羟丙酯)。所述渗透剂选自烷基磺酸钠、烷基苯磺酸钠和烷基硫酸酯钠中的一种或多种。
一种无纺布纤维板的制备方法，包括如下步骤：
步骤一、纺粘纺丝，将聚合物物料混合均匀后在挤出机中熔融共混，然后输送到挤出模头进行纺丝，所述的模头温度为340℃，剪切速率为200s-1，纺丝速度为400m/min，对形成的丝束进行屏蔽，经分丝铺网，得到可降解纺粘无纺布；
步骤二、熔喷纺丝：将聚合物物料混合均匀后在挤出机中熔融共混，然后将切片送进螺杆挤压机中熔融，得到的熔体经180℃的喷丝模头喷出后均匀铺成纤网，得到可降解熔喷布；熔喷所使用的高温热空气流速为600m/s，温度为 180℃，所使用的冷却空气为常温空气，流速为0.8/s；
步骤三、无纺布复合：所述的无纺布复合包括三层结构，中间层为步骤二工艺生产的可降解熔喷布，上下两层为步骤一工艺生产的可降解熔喷布可降解纺粘无纺布；按照顺序铺好三层布后使用6MPa的压力，80℃的压辊进行热轧，完成后即可得无纺布层待用；
步骤四、将植物纤维、石蜡乳液、竹屑、麦麸、脲醛树脂、乳胶、PPE湿强剂、渗透剂、和水混合后得到浆料，为了进一步提高制得的环保纤维板的强度和耐水性能，竹屑和麦麸在使用前需进行粉碎，使其平均粒径不高于100目；
步骤五、将无纺布放入浆料浸泡20分钟；
步骤六、将沾满浆料的无纺布经热压成型工艺得到环保纤维板；热压成型工艺的条件至少包括：热压温度为160℃，热压时间为5min，热压压力为30kg/cm。
实施例2
一种无纺布纤维板，包括无纺布层和纤维板层，所述无纺布层的无纺布原料由如下重量份的组份组成：包括60份的可降解聚合材料、30份的聚丙烯，6 份的聚乳酸和余量的聚(甲基丙烯酸羟丙酯)；所述纤维板层由如下重量份的组份组成：改性液体石蜡的用量为25重量份，竹屑的用量为20重量份，麦麸的用量为20重量份，脲醛树脂的用量为8重量份，乳胶的用量为8重量份，PPE 湿强剂的用量为3重量份，渗透剂的用量为3重量份，水的用量为150重量份。所述渗透剂选自烷基磺酸钠、烷基苯磺酸钠和烷基硫酸酯钠中的一种或多种。所述无纺布层的无纺布原料由如下重量份的组份组成：40份的可降解聚合材料、20份的聚丙烯，4份的聚乳酸和余量的聚(甲基丙烯酸羟丙酯)。
一种无纺布纤维板的制备方法，包括如下步骤：
步骤一、纺粘纺丝，将聚合物物料混合均匀后在挤出机中熔融共混，然后输送到挤出模头进行纺丝，所述的模头温度为420℃，剪切速率为100s-1，纺丝速度为600m/min，对形成的丝束进行屏蔽，经分丝铺网，得到可降解纺粘无纺布；
步骤二、熔喷纺丝：将聚合物物料混合均匀后在挤出机中熔融共混，然后将切片送进螺杆挤压机中熔融，得到的熔体经200℃的喷丝模头喷出后均匀铺成纤网，得到可降解熔喷布；熔喷所使用的高温热空气流速为700m/s，温度为 230℃，所使用的冷却空气为常温空气，流速为1.2m/s；
步骤三、无纺布复合：所述的无纺布复合包括三层结构，中间层为步骤二工艺生产的可降解熔喷布，上下两层为步骤一工艺生产的可降解熔喷布可降解纺粘无纺布；按照顺序铺好三层布后使用6MPa的压力，130℃的压辊进行热轧，完成后即可得无纺布层待用；
步骤四、将植物纤维、石蜡乳液、竹屑、麦麸、脲醛树脂、乳胶、PPE湿强剂、渗透剂、和水混合后得到浆料，为了进一步提高制得的环保纤维板的强度和耐水性能，竹屑和麦麸在使用前需进行粉碎，使其平均粒径不高于100目；
步骤五、将无纺布放入浆料浸泡40分钟；
步骤六、将沾满浆料的无纺布经热压成型工艺得到环保纤维板；热压成型工艺的条件至少包括：热压温度为180℃，热压时间为8min，热压压力为 110kg/cm。
本发明无纺布纤维板具有优异的物理强度和降解性能，非常适合应用在在各个领域，具有较好的应用前景和环保价值。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (5)

1.一种无纺布纤维板，包括无纺布层和纤维板层，其特征在于，所述无纺布层的无纺布原料由如下重量份的组份组成：包括40-60份的可降解聚合材料、20-30份的聚丙烯，1-6份的聚乳酸和余量的聚(甲基丙烯酸羟丙酯)；所述纤维板层由如下重量份的组份组成：改性液体石蜡的用量为15-25重量份，竹屑的用量为10-20重量份，麦麸的用量为10-20重量份，脲醛树脂的用量为2-8重量份，乳胶的用量为1-8重量份，PPE湿强剂的用量为1-3重量份，渗透剂的用量为1-3重量份，水的用量为120-150重量份。
2.根据权利要求1所述的一种无纺布纤维板，其特征在于，所述无纺布层的无纺布原料由如下重量份的组份组成：40份的可降解聚合材料、20份的聚丙烯，4份的聚乳酸和余量的聚(甲基丙烯酸羟丙酯)。
3.根据权利要求1所述的一种无纺布纤维板，其特征在于，所述渗透剂选自烷基磺酸钠、烷基苯磺酸钠和烷基硫酸酯钠中的一种或多种。
4.权利要求1-3任一项所述的一种无纺布纤维板的制备方法，其特征在于，包括如下步骤：
步骤一、纺粘纺丝，将聚合物物料混合均匀后在挤出机中熔融共混，然后输送到挤出模头进行纺丝，所述的模头温度为340-420℃，剪切速率为100-200s-1，纺丝速度为400-600m/min，对形成的丝束进行屏蔽，经分丝铺网，得到可降解纺粘无纺布；
步骤二、熔喷纺丝：将聚合物物料混合均匀后在挤出机中熔融共混，然后将切片送进螺杆挤压机中熔融，得到的熔体经180-200℃的喷丝模头喷出后均匀铺成纤网，得到可降解熔喷布；熔喷所使用的高温热空气流速为600-700m/s，温度为180-230℃，所使用的冷却空气为常温空气，流速为0.8-1.2m/s；
步骤三、无纺布复合 ：所述的无纺布复合包括三层结构，中间层为步骤二工艺生产的可降解熔喷布，上下两层为步骤一工艺生产的可降解熔喷布可降解纺粘无纺布；按照顺序铺好三层布后使用0.8-6MPa的压力，80-130℃的压辊进行热轧，完成后即可得无纺布层待用；
步骤四、将植物纤维、石蜡乳液、竹屑、麦麸、脲醛树脂、乳胶、PPE湿强剂、渗透剂、和水混合后得到浆料；
步骤五、将无纺布放入浆料浸泡20-40分钟；
步骤六、将沾满浆料的无纺布经热压成型工艺得到环保纤维板；热压成型工艺的条件至少包括：热压温度为160-180℃，热压时间为5-8min，热压压力为30kg/cm-110kg/cm。
5.根据权利要求4所述的一种无纺布纤维板的制备方法，其特征在于，竹屑和麦麸在使用前需进行粉碎，使其平均粒径不高于100目。
CN202011289910.8A 2020-11-18 2020-11-18 无纺布纤维板的制备方法及其纤维板 Pending CN112406253A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011289910.8A CN112406253A (zh) 2020-11-18 2020-11-18 无纺布纤维板的制备方法及其纤维板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011289910.8A CN112406253A (zh) 2020-11-18 2020-11-18 无纺布纤维板的制备方法及其纤维板

Publications (1)

Publication Number Publication Date
CN112406253A true CN112406253A (zh) 2021-02-26

Family

ID=74831591

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011289910.8A Pending CN112406253A (zh) 2020-11-18 2020-11-18 无纺布纤维板的制备方法及其纤维板

Country Status (1)

Country Link
CN (1) CN112406253A (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1160624A (zh) * 1996-03-28 1997-10-01 刘清明 彩色复合纤维板的生产方法
CN108128011A (zh) * 2017-12-18 2018-06-08 戴久永 一种无纺布纤维板的制备方法及其纤维板
CN108912710A (zh) * 2018-05-30 2018-11-30 芜湖聚网信息技术有限公司 环保纤维板及其制备方法
CN111593484A (zh) * 2020-05-26 2020-08-28 浙江景程无纺布有限公司 一种易降解的sms纺粘无纺布的制备方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1160624A (zh) * 1996-03-28 1997-10-01 刘清明 彩色复合纤维板的生产方法
CN108128011A (zh) * 2017-12-18 2018-06-08 戴久永 一种无纺布纤维板的制备方法及其纤维板
CN108912710A (zh) * 2018-05-30 2018-11-30 芜湖聚网信息技术有限公司 环保纤维板及其制备方法
CN111593484A (zh) * 2020-05-26 2020-08-28 浙江景程无纺布有限公司 一种易降解的sms纺粘无纺布的制备方法

Similar Documents

Publication Publication Date Title
CN110093681B (zh) 一种热风无纺布面层用抗菌es复合短纤维及其制备方法
CN100451204C (zh) 一种双组份熔喷非织造布及其制造方法
CN102352116B (zh) 一种木塑复合材料及其制备方法
CN109914034B (zh) 一种驻极体聚乳酸熔喷非织造材料的制备方法
CN102432966B (zh) 聚四氟乙烯膜及用该膜制备的纤维
TW201619459A (zh) 使用熔噴方式製備具有吸濕轉移性不織布的方法
WO2024060545A1 (zh) 一种抗静电的闪纺复合无纺布及其制备方法
CN108893868A (zh) 一种粗糙熔喷无纺布及其制作方法
CN104711764A (zh) 高强力长效驻极超细纤维pla熔喷非织造材料及制备方法
CN113306241B (zh) 一种淋膜用无纺布的制备方法
CN104910515A (zh) 木塑熔喷无纺布专用料及其生产方法
CN110965208A (zh) 一种纺熔法制造聚丙烯无纺布的制备方法及其无纺布产品
CN112981701A (zh) 一种多层熔喷无纺布及其制备方法
CN108823812B (zh) 一种涤锦复合纺粘热轧热风固结非织造布生产方法
CN103252931A (zh) 复合麻毡
CN112406253A (zh) 无纺布纤维板的制备方法及其纤维板
CN107567896B (zh) 一种透光薄型非织造降解农用地膜及制备方法
CN108823794B (zh) 一种纤维无纺布及其制备方法
CN116121954A (zh) 一种可冲散复合材料无纺布及制造工艺
CN104309234B (zh) 一种汽车顶棚及其制造方法
CN103112207A (zh) 竹纤维板毡及其成份和制造方法
CN103862797A (zh) 可降解无纺布的生产方法
CN110306353A (zh) 一种多维超细纤维合成革及其制备方法
CN110815986B (zh) 一种耐水性强的耐压型无纺布及其制作方法
CN112195561A (zh) 一种可降解无纺布及其制备方法

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210226