CN106009297A - 一种韧性好、可除甲醛的竹塑发泡复合门窗材料及其制备方法 - Google Patents

一种韧性好、可除甲醛的竹塑发泡复合门窗材料及其制备方法 Download PDF

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CN106009297A
CN106009297A CN201610579062.1A CN201610579062A CN106009297A CN 106009297 A CN106009297 A CN 106009297A CN 201610579062 A CN201610579062 A CN 201610579062A CN 106009297 A CN106009297 A CN 106009297A
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陈学军
吴珍梅
徐琼琼
曹蕾
沈中
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Anhui Province Sanle Energy-Saving Technology Consulting Co Ltd
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Abstract

本发明公开了一种韧性好、可除甲醛的竹塑发泡复合门窗材料及其制备方法，其特征在于，是由以下重量份的原料制得：高弹聚丙烯纤维2‑5，等规聚丙烯60‑70，SiO2 1‑2，高熔体强度聚丙烯10‑15，竹粉30‑40，活性炭10‑15，聚乙烯1‑2，刚玉粉1‑2，Cu(NO3)2 20‑25，硬脂酸1‑3，硬脂酸钙1‑3，发泡剂AC1601 1‑3，硬脂酸锌10‑15，NaOH溶液50‑60，聚丙烯酸酯乳液1‑3；本发明用聚丙烯酸酯和Cu(NO3)2对活性炭和金刚石进行改性，促进了Cu(NO3)2在活性炭和金刚石表面和孔道中的负载；配合添加了高弹聚丙烯纤维等，提高了材料弹性。

Description

一种韧性好、可除甲醛的竹塑发泡复合门窗材料及其制备方法
技术领域
本发明涉及一种竹塑复合材料，尤其涉及一种韧性好、可除甲醛的竹塑发泡复合门窗材料及其制备方法。
背景技术
竹塑发泡复合材料因可以克服竹塑复合材料密度大、脆性大等缺陷，近来备受关注。竹塑复合材料的基体主要有聚氯乙烯和聚烯烃塑料。聚氯乙烯基复合材料在制造、使用及废弃处理时会对环境造成污染，聚乙烯基复合材料的刚性及最高使用温度较低，且不易降解。 因此，聚丙烯(PP)木塑发泡复合材料成为近期的研究热点。竹塑发泡复合材料应用范围很广，涉及到汽车工业及运输业，建筑行业，包装行业，家具及装修业，办公室设备及体育设备等多个方面。
周吓星在《钛酸酯偶联剂对竹塑发泡复合材料性能的影响》中，利用竹粉和聚丙烯、高熔体强度聚丙烯制备了一种竹塑发泡复合材料，但是其力学强度有待提高，并且该复合材料的功能化还不够完善，限制了竹塑发泡复合材料的应用。
发明内容
基于以上思考，本发明的目的在于提供一种竹塑发泡复合材料的配方，对目前竹塑发泡材料存在的强度差、功能性不完善进行改进，本发明采用的技术方案如下：
1. 一种韧性好、可除甲醛的竹塑发泡复合门窗材料，其特征在于，由以下重量份的原料制成：
高弹聚丙烯纤维2-5，等规聚丙烯60-70，SiO2 1-2，高熔体强度聚丙烯10-15，竹粉30-40，活性炭10-15，聚乙烯1-2，刚玉粉1-2，Cu(NO3)2 20-25，硬脂酸1-3，硬脂酸钙1-3，发泡剂AC1601 1-3，硬脂酸锌10-15， NaOH溶液50-60，聚丙烯酸酯乳液1-3；
所述竹粉的粒径为90-350μm，NaOH溶液浓度为1mol/L，Cu(NO3)2浓度为0.1 mol/L，聚丙烯酸酯乳液的固含量为40-50%。
2. 所述的一种韧性好、可除甲醛的竹塑发泡复合门窗材料及其制备方法，其特征在于，由以下步骤制成：
a. 将SiO2、活性炭、刚玉粉加入到NaOH溶液中，搅拌10-15min后，浸泡1-2h，清水洗涤，过滤，50-100℃条件下干燥；聚丙烯酸酯乳液加入到Cu(NO3)2溶液中制成混合液，将干燥的活性炭和金刚石加入到该混合液中搅拌10-15min后，浸泡0.5-1h，90-130℃条件下烘干，N2气氛下，300-500℃焙烧3-5h，得到改性混合物；
b. 将竹粉在100-120℃条件下干燥6-10h，至绝干；然后将烘干的竹粉、高弹聚丙烯纤维、聚乙烯和30-40份的等规聚丙烯一起加入到高速混合机中，搅拌升温至150-200℃，10-30min后冷却至30-50℃，继续搅拌6-10min后卸料，得到混合物；
c. 将步骤a所得改性混合物和步骤b所得混合物加入到剩余等规聚丙烯、高熔体强度聚丙烯混合物中，加入硬脂酸和硬脂酸钙，于高速混合机中混合8-12min，制得预混料；将预混料放入转矩流变仪中密练10-15min后，卸料粉碎，加入发泡剂AC1601和硬脂酸锌，搅拌均匀，经注塑机注塑成型。
3. 所述的转矩流变仪温度设置为160-220℃，转速为30-50 r·min-1。
本发明的有益效果是：用聚丙烯酸酯和Cu(NO3)2对活性炭和金刚石进行改性，促进了Cu(NO3)2在活性炭和金刚石表面和孔道中的负载，增大了其附着力，不易脱落，延长了催化寿命，赋予目标材料可吸附甲醛的功能，扩展其应用；在高温下煅烧，Cu(NO3)2会高温分解为CuO，可以有效地吸附降解甲醛，配合活性炭的吸附特性，达到优良的甲醛吸附效率；金刚石的加入也增大了该复合材料的力学强度和甲醛吸附效率；用等规聚丙烯对竹粉进行包裹，减少竹纤维分解，改善塑料基体与竹纤维的亲和性及流动性；配合利用高熔体强度聚丙烯制备竹塑发泡复合材料，使得该材料闭孔率高，具有质量轻、强度高、成本低的优点；配合添加了高弹聚丙烯纤维和SiO2等，平衡了复合材料的刚性和柔性，同时提高了其弹性。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体实施例，进一步阐述本发明。
实施例
一种韧性好、可除甲醛的竹塑发泡复合门窗材料，其特征在于，由以下重量份的原料制成：
高弹聚丙烯纤维5，等规聚丙烯70，SiO2 2，高熔体强度聚丙烯15，竹粉40，活性炭15，聚乙烯2，刚玉粉2，Cu(NO3)2 25，硬脂酸3，硬脂酸钙3，发泡剂AC1601 3，硬脂酸锌15， NaOH溶液60，聚丙烯酸酯乳液3；
所述竹粉的粒径为90-350μm，NaOH溶液浓度为1mol/L，Cu(NO3)2浓度为0.1 mol/L，聚丙烯酸酯乳液的固含量为40-50%。
所述的一种韧性好、可除甲醛的竹塑发泡复合门窗材料及其制备方法，其特征在于，由以下步骤制成：
a. 将SiO2、活性炭、刚玉粉加入到NaOH溶液中，搅拌10-15min后，浸泡1-2h，清水洗涤，过滤，50-100℃条件下干燥；聚丙烯酸酯乳液加入到Cu(NO3)2溶液中制成混合液，将干燥的活性炭和金刚石加入到该混合液中搅拌10-15min后，浸泡0.5-1h，90-130℃条件下烘干，N2气氛下，300-500℃焙烧3-5h，得到改性混合物；
b. 将竹粉在100-120℃条件下干燥6-10h，至绝干；然后将烘干的竹粉、高弹聚丙烯纤维、聚乙烯和30-40份的等规聚丙烯一起加入到高速混合机中，搅拌升温至150-200℃，10-30min后冷却至30-50℃，继续搅拌6-10min后卸料，得到混合物；
c. 将步骤a所得改性混合物和步骤b所得混合物加入到剩余等规聚丙烯、高熔体强度聚丙烯混合物中，加入硬脂酸和硬脂酸钙，于高速混合机中混合8-12min，制得预混料；将预混料放入转矩流变仪中密练10-15min后，卸料粉碎，加入发泡剂AC1601和硬脂酸锌，搅拌均匀，经注塑机注塑成型。
所述的转矩流变仪温度设置为160-220℃，转速为30-50 r·min-1。
本发明的技术指标为：
甲醛吸附率 ≥2.5mg/g；
弯曲强度≥40MPa；
比缺口冲击强度≥5 kJ·m-2。

Claims (3)

1.一种韧性好、可除甲醛的竹塑发泡复合门窗材料，其特征在于，由以下重量份的原料制成：
高弹聚丙烯纤维2-5，等规聚丙烯60-70，SiO2 1-2，高熔体强度聚丙烯10-15，竹粉30-40，活性炭10-15，聚乙烯1-2，刚玉粉1-2，Cu(NO3)2 20-25，硬脂酸1-3，硬脂酸钙1-3，发泡剂AC1601 1-3，硬脂酸锌10-15， NaOH溶液50-60，聚丙烯酸酯乳液1-3；
所述竹粉的粒径为90-350μm，NaOH溶液浓度为1mol/L，Cu(NO3)2浓度为0.1 mol/L，聚丙烯酸酯乳液的固含量为40-50%。
2.根据权利要求1所述的一种韧性好、可除甲醛的竹塑发泡复合门窗材料及其制备方法，其特征在于，由以下步骤制成：
a. 将SiO2、活性炭、刚玉粉加入到NaOH溶液中，搅拌10-15min后，浸泡1-2h，清水洗涤，过滤，50-100℃条件下干燥；聚丙烯酸酯乳液加入到Cu(NO3)2溶液中制成混合液，将干燥的活性炭和金刚石加入到该混合液中搅拌10-15min后，浸泡0.5-1h，90-130℃条件下烘干，N2气氛下，300-500℃焙烧3-5h，得到改性混合物；
b. 将竹粉在100-120℃条件下干燥6-10h，至绝干；然后将烘干的竹粉、高弹聚丙烯纤维、聚乙烯和30-40份的等规聚丙烯一起加入到高速混合机中，搅拌升温至150-200℃，10-30min后冷却至30-50℃，继续搅拌6-10min后卸料，得到混合物；
c. 将步骤a所得改性混合物和步骤b所得混合物加入到剩余等规聚丙烯、高熔体强度聚丙烯混合物中，加入硬脂酸和硬脂酸钙，于高速混合机中混合8-12min，制得预混料；将预混料放入转矩流变仪中密练10-15min后，卸料粉碎，加入发泡剂AC1601和硬脂酸锌，搅拌均匀，经注塑机注塑成型。
3.根据权利要求2所述的一种韧性好、可除甲醛的竹塑发泡复合门窗材料及其制备方法，其特征在于，所述的转矩流变仪温度设置为160-220℃，转速为30-50 r·min-1。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107254120A (zh) * 2017-07-27 2017-10-17 合肥伊只门窗有限公司 一种高韧性的塑钢门窗材料及其制备方法
CN112225994A (zh) * 2020-11-03 2021-01-15 福建盛世中兴新材料有限公司 环保型高韧泡沫制品的加工方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107254120A (zh) * 2017-07-27 2017-10-17 合肥伊只门窗有限公司 一种高韧性的塑钢门窗材料及其制备方法
CN112225994A (zh) * 2020-11-03 2021-01-15 福建盛世中兴新材料有限公司 环保型高韧泡沫制品的加工方法
CN112225994B (zh) * 2020-11-03 2022-11-11 福建盛世中兴新材料有限公司 环保型高韧泡沫制品的加工方法

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