CN111903376B - 一种多功能石头纸基花盆的制备方法 - Google Patents
一种多功能石头纸基花盆的制备方法 Download PDFInfo
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- CN111903376B CN111903376B CN202010627752.6A CN202010627752A CN111903376B CN 111903376 B CN111903376 B CN 111903376B CN 202010627752 A CN202010627752 A CN 202010627752A CN 111903376 B CN111903376 B CN 111903376B
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Abstract
本发明提供一种多功能石头纸基花盆的制备方法,包括:缓释保温层原料的1#母粒、功能层原料的2#母粒、控释层原料的3#母粒、多功能石头纸基花盆盆体、花盆的制备。不仅可用于植物种植、栽培、包装、运输,而且可提供氮、磷、钾等植物生长所需的营养元素,提供植物生长所需的温度的水分,控制营养元素的扩散,缓释养分,使植物在种植、栽培、包装、运输等过程中获得水分和营养物质,同时可有效保护植物免受外力损伤,加上外表层的抗氧化、抗紫外线作用,延长花盆使用寿命,使花盆具有较高的美观性能,为植物种植、栽培、包装、运输提供良好的生长环境。
Description
技术领域
本发明涉及一种多功能石头纸基花盆的制备方法,属于高分子材料的制备技术领域。
背景技术
在植物种植、栽培、包装、运输过程中,免不了要使用相关的种植容器、包装器皿或薄膜等产品,不仅可降低植物种植、栽培、包装、运输过程中的人工成本,同时还能为植物的种植、栽培、运输保存水分和养分,提高存活率,保持植物生命力。但现有的植物种植用的花盆、鲜花包装盒等材料,因其功能单一,不能为植物生长提供良好的保水、保养分、温度调节,致使植物生长受到限制,尤其使鲜花等在包装、运输过程中因失水、失养而降低品质。因此有必要研发新材料来为植物生长保持水分、提供养分、调节温度,提高成活率、延长保鲜时间,保持品质。
发明内容
本发明的目的在于克服现有技术存在的上述不足,提供一种具备控制/缓释肥料、自发热、保温、保水、稳定性高、易加工的石头纸基花盆的制备方法,有效利用资源,减少浪费,降低成本。
本发明通过下列技术方案完成:一种多功能石头纸基花盆的制备方法,其中该花盆自内向外依次由控释层、缓释保温层、功能层、缓释保温层、外表层组成,其特征在于包括如下步骤:
1)缓释保温层原料的1#母粒的制备
1A)按下列质量比备料:
800-1200目的碳酸钙粉:35~70%
铝酸酯偶联剂:0.2~5%
助剂:1~10%
聚丙烯:15~50%
上述各组分总和为:100%;
其中,助剂为下列质量比的组分:
硬脂酸:5~20%
石蜡:5~70%
乙烯-醋酸乙烯共聚物EVA:10~90%;
三种组分总和为100%;
1B)将步骤1A)的碳酸钙粉在80~120℃下,以500-800 r/min的速度搅拌3~8分钟,之后加入铝酸酯偶联剂,以500-800 r/min速度搅拌混合3~5分钟,最后加入助剂和聚丙烯,在110~150℃下以1200~1500 r/min的速度混合搅拌5~10分钟,得混合物;
1C)将步骤1B)的混合物送入密炼机中,在150~200℃温度下,密炼10~15min,得密炼物;
1D)将步骤1C)的密炼物送入挤出机中,在摸头温度为180~250℃条件下,以800~1000r/min的速度挤出,切粒筛分后,得筛上物——缓释保温层原料的1#母粒;
2)功能层原料的2#母粒的制备
2A)按下列质量比备料:
托玛琳石粉:20~50%
钛酸酯偶联剂:0.5~2%
复合肥:0.5~5%
助剂:1~4%
聚丙烯:15~50%
氧化镁:10~50%
氧化铝:10~50%;
上述各组分总和为:100%;
其中助剂为下列质量比的组分:
硬脂酸:15%~60%
石蜡:20~80%
抗氧化剂:5%~40%
三种组分总和为100%;
2B)将步骤2A)的托玛琳石粉、氧化镁、氧化铝在80~120℃下,以500~800 r/min的速度搅拌3~8分钟,之后加入钛酸酯偶联剂,以500~800 r/min速度搅拌混合3~5分钟,再加入聚丙烯,在110~150℃下以1200~1500 r/min的速度混合搅拌5~10分钟,得混合物Ⅰ备用;
2C)同时,将步骤2A)的复合肥在80~120℃下,以500~800 r/min的速度搅拌3~8分钟,加入助剂,在110~150℃下,以1200~1500 r/min的速度混合搅拌5~10分钟,得混合物Ⅱ;
2D)将步骤2B)、2C)的混合物Ⅰ、混合物Ⅱ一同送入密炼机中,在150~200℃温度下,搅拌密炼10~15min,得密炼物;
2E)将步骤2D)的密炼物送入挤出机中,在摸头温度为180~250℃条件下,以800~1000 r/min的速度挤出,切粒筛分后,得筛上物——功能层原料的2#母粒;
3)控释层原料的3#母粒的制备
3A)按下列质量比备料:
木薯淀粉:10~60%
助剂:1~10%
聚乙烯醇:10~50%
甘油:10~30%
上述各组分总和为:100%;
其中助剂为下列质量比的组分:
硬脂酸:10%~80%
石蜡:20%~80%
二者相加等于100%;
3B)将步骤3A)的木薯淀粉在80~120℃下,以500-800 r/min的速度搅拌3~8分钟,之后加入聚乙烯醇,以500-800 r/min速度搅拌混合3~5分钟,最后加入助剂,在110~150℃下以1200-1500 r/min的速度混合搅拌5~10分钟,得混合物;
3C)将步骤3B)的混合物送入密炼机中,在150~200℃温度下,密炼3~5min后加入甘油,再密炼5~10min,得密炼物;
3D)将步骤3C)的密炼物送入挤出机中,在摸头温度为180~250℃条件下,以800~1000 r/min的速度挤出,切粒筛分后,得筛上物——控释层原料的3#母粒;
4)多功能石头纸基花盆盆体的制备
4A)将步骤2D)的2#母粒与聚丙烯树脂、聚乙烯树脂,按下列质量比混合均匀:
2#母粒:20~70%
聚丙烯树脂:10~40%
聚乙烯树脂10~50%,
之后投入1#挤出机料筒,通过加热温度梯度为100-270℃的1#螺杆,挤压出功能层原料;
4B)将步骤1D)的1#母粒与聚丙烯树脂、AC发泡剂、线性聚乙烯,按下列质量比例混合均匀:
1#母粒:40~80%
聚丙烯树脂:10~50%
AC发泡剂:0.2~5%
线性聚乙烯树脂:10~50%
之后投入2#挤出机料筒,通过加热温度梯度为120~270℃的2#螺杆,挤压出缓释保温层原料;
4C)将步骤3D)的3#母粒投入3#挤出机料筒,通过加热温度梯度为120~270℃的3#螺杆,挤压出控释层原料;
4D)将聚乙烯树脂、抗氧化剂、防紫外线剂、色母粒按下列质量比例混合均匀:
聚乙烯树脂:85~90%
抗氧化剂:1~5%
防紫外线剂:0.5~5%
色母粒:1~5%
之后投入4#挤出机料筒,通过加热温度梯度为100-280℃的4#螺杆,挤压出外表层原料;
4E)多功能石头纸基复合材料的制备:
将步骤4A)的功能层原料作为中间层通过1#挤出机流道进入分流器,调节分流器并按20~60%的质量比进入模头;
将步骤4B)的缓释保温层原料通过2#挤出机流道进入分流器,并以均匀分布于功能层原料的上侧和下侧的结构形式调节分流器,并按20~40%的质量比进入模头;
将步骤4C)的控释层原料送入3#挤出机,并以控释层分布于缓释、保温层原料外侧的结构形式调节分流器,并按5~30%的质量比进入模头;
将步骤4D)的外表层原料送入3#挤出机,并以外表层原料分布于控释层外侧的结构形式调节分流器,并按按5~20%的质量比进入模头;
在模头温度为200~300℃,速度为15~30M/分的条件下同步挤出各层原料,送入冷却水温度为5~40℃的对压辊轮中对压、牵引、冷却后,得多功能石头纸基花盆盆体,与其中部设若干通孔的常规盆底固连后,制得多功能石头纸基花盆。
本发明所述各步骤的原料组分均为市购产品。
本发明步骤中的抗氧化剂为常规的抗氧剂703、抗氧剂1010、抗氧剂168中的一种或几种,且几种的配合比例是任意的。
本发明步骤中的防紫外线剂为炭黑、氧化铁、氧化锌中的一种或几种,且几种的配合比例是任意的。
本发明的色母粒为市购产品,其颜色视产品需求具体选择、确定。
上述多功能石头纸基复合材料的各功能层特点如下:
1、控释层
控释层主要采用植物淀粉和聚乙烯醇制得,是花盆的最里层,直接与土壤、培养液接触,主要作用为:1)让水能够进入到复合材料内部的功能层,与功能层中的托玛琳石粉反应而产生热能,同时利用该热能促进水与复合肥混合,形成含有氮、磷、钾等植物生长所需的营养元素;2)通过植物淀粉和聚乙烯醇,控制复合肥中营养元素的扩散,起到控制、缓释养分的作用。
2、缓释保温层
缓释保温层主要采用碳酸钙粉、铝酸酯偶联剂、助剂、聚丙烯、AC发泡剂、聚乙烯,并经过微发泡处理,使缓释保温层内部成形具有若干孔洞的海绵体,并因碳酸钙粉、聚丙烯、聚乙烯共混改性后又具有一定的拉伸强度和抗冲强度,同时具有:1)储存水分,控湿、保湿作用;2)储存复合肥中的营养元素,避免复合肥全部流失,起到缓释肥的效果;3)在植物栽培、包装、运输过程中起到缓冲保护作用,避免外力损伤植物;4)空气、水、营养元素进入孔洞内,起到保温作用。
3、功能层
功能层主要采用托玛琳石粉、复合肥、氧化镁、氧化铝、聚丙烯、聚乙烯制得,位于花盆的中间层,主要作用:1)让托玛琳石粉遇水自然放热,提高植物生长所需要的温度,保证成活率,促进植物生长;2)储存复合肥;3)氧化镁、氧化铝属于导热材料,提高热量对外传递效率。
4、外表层
外表层主要采用聚乙烯、抗氧化剂、防紫外线剂、色母粒制得,位于花盆的最外层,主要作用:1)提高材料的抗氧化、抗紫外线能力,增强使用寿命;2)便于着色和印刷,提高花盆的美观性;3)可提高太阳光热辐射的吸收率,提高植物生长环境温度。
本发明具有下列优点和效果:采用上述方案获得的多功能石头纸基花盆,不仅可用于植物种植、栽培、包装、运输,而且可通过控释层将土壤、培养液中的部分水经过缓释保温层送入功能层中,让水与功能层中的托玛琳石粉反应而产生热能,一则可利用该热能促进水与复合肥混合,形成含有氮、磷、钾等植物生长所需的营养元素,二则可提供植物生长所需的温度;并控制复合肥中营养元素的扩散,起到控制、缓释养分的作用,再通过缓释保温层储存水分和营养成分,使植物在种植、栽培、包装、运输等过程中获得水分和营养物质,同时可有效保护植物免受外力损伤,加上外表层的抗氧化、抗紫外线作用,延长花盆使用寿命,使花盆具有较高的美观性能,为植物种植、栽培、包装、运输提供良好的生长环境。
附图说明
图1为本发明提供的花盆结构示意图;
图2为图1的A部放大图;
图3为本发明步骤4的工艺流程图。
具体实施方式
下面结合实施例对本发明做进一步描述。
实施例1
本发明提供的花盆结构如图1、图2,其中:1为带空腔的盆体, 11为盆体底部的滤水孔,12为盆底,盆体1由下列多层构成:2为内表面的控释层,3为次表面的缓释保温层,4为中部的功能层,5为次外的缓释保温层,6为外表层。
实施例2
本发明的花盆由下列步骤制得:
1)缓释保温层原料的1#母粒的制备
1A)按下列质量比备料:
800-1200目的碳酸钙粉:70%
铝酸酯偶联剂:2%
聚丙烯:20%
硬脂酸:1%
石蜡:2%
乙烯-醋酸乙烯共聚物EVA:5%;
1B)将步骤1A)的碳酸钙粉在110℃下,以650 r/min的速度搅拌5分钟,之后加入铝酸酯偶联剂,以650 r/min速度搅拌混合3分钟,最后加入助剂和聚丙烯,在120℃下以1380r/min的速度混合搅拌8分钟,得混合物;
1C)将步骤1B)的混合物送入密炼机中,在185℃温度下,密炼10 min,得密炼物;
1D)将步骤1C)的密炼物送入挤出机中,在摸头温度为250℃条件下,以1000 r/min的速度挤出,切粒筛分后,得筛上物——缓释保温层原料的1#母粒;
2)功能层原料的2#母粒的制备
2A)按下列质量比备料:
托玛琳石粉:45%
钛酸酯偶联剂:1%
复合肥料:5 %
聚丙烯:15 %
氧化镁:15 %
氧化铝:15 %;
硬脂酸:1.5%
石蜡:2%
抗氧剂1010:0.5%
2B)将步骤2A)的托玛琳石粉、氧化镁、氧化铝在110℃下,以800 r/min的速度搅拌3分钟,之后加入钛酸酯偶联剂,以800 r/min速度搅拌混合5分钟,再加入聚丙烯,在120 ℃下以1450 r/min的速度混合搅拌10分钟,得混合物Ⅰ备用;
2C)同时,将步骤2A)的复合肥在80℃下,以500 r/min的速度搅拌3分钟,加入助剂,在110 ℃下,以1200 r/min的速度混合搅拌5分钟,得混合物Ⅱ;
2D)将步骤2B)、2C)的混合物Ⅰ和混合物Ⅱ一同送入密炼机中,在185 ℃温度下,搅拌密炼10 min,得密炼物;
2E)将步骤2D)的密炼物送入挤出机中,在摸头温度为225 ℃条件下,以800 r/min的速度挤出,切粒筛分后,得筛上物——功能层原料的2#母粒;
3)控释层原料的3#母粒的制备
3A)按下列质量比备料:
木薯淀粉:30%
聚乙烯醇:50%
甘油:10%
硬脂酸:2%
石蜡:8%
3B)将步骤3A)的木薯淀粉在110℃下,以800 r/min的速度搅拌3分钟,之后加入聚乙烯醇,以500 r/min速度搅拌混合5分钟,最后加入助剂,在120 ℃下以1350 r/min的速度混合搅拌8分钟,得混合物;
3C)将步骤3B)的混合物送入密炼机中,在175℃温度下,密炼3 min后加入甘油,再密炼10 min,得密炼物;
3D)将步骤3C)的密炼物送入挤出机中,在摸头温度为235 ℃条件下,以1000 r/min的速度挤出,切粒筛分后,得筛上物——控释层原料的3#母粒;
4)多功能石头纸基花盆的制备
4A)将步骤2D)的2#母粒与聚丙烯树脂、聚乙烯树脂,按下列质量比混合均匀:
2#母粒:65%
聚丙烯树脂:10%
聚乙烯树脂25%,
之后投入1#挤出机料筒,通过加热温度梯度为:一段电热温度135℃、二段电热温度185℃、三段电热温度215℃、四段电热温度255℃、五段电热温度270 ℃、六段电热温度255 ℃的1#挤出机,挤压出功能层原料;
4B)将步骤1D)的1#母粒与聚丙烯树脂、AC发泡剂、线性聚乙烯,按下列质量比例混合均匀:
1#母粒:70%
聚丙烯树脂:10%
AC发泡剂:2.5%
线性聚乙烯树脂:17.5%
之后投入2#挤出机料筒,通过加热温度梯度为:一段电热温度135℃、二段电热温度185℃、三段电热温度215℃、四段电热温度255℃、五段电热温度270 ℃、六段电热温度255 ℃的2#挤出机,挤压出缓释保温层原料;
4C)将步骤3D)的3#母粒投入3#挤出机料筒,通过加热温度梯度为:一段电热温度110℃、二段电热温度122℃、三段电热温度124℃、四段电热温度128℃、五段电热温度110℃、六段电热温度180 ℃的3#挤出机,挤压出控释层原料;
4D)将聚乙烯树脂、抗氧剂1010、防紫外线剂——氧化锌、色母粒按下列质量比例混合均匀:
聚乙烯树脂:86%
抗氧剂1010:4.5%
防紫外线剂——氧化锌:4.5%
色母粒: 5%
之后投入4#挤出机料筒,通过加热温度梯度为:一段电热温度110℃、二段电热温度125℃、三段电热温度145℃、四段电热温度185℃、五段电热温度205℃、六段电热温度235℃的4#挤出机,挤压出外表层原料;
4E)多功能石头纸基花盆的制备:
以步骤4A)的功能层原料作为中间层4通过1#挤出机流道进入分流器,调节分流器按60%的质量比进入模头;
将步骤4B)的缓释保温层原料通过2#挤出机流道进入分流器,并以缓释保温层3、5原料均匀分布于功能层4原料内侧和外侧的结构形式调节分流器,按30%的质量比进入模头;
将步骤4C)的控释层2原料送入3#挤出机,并以控释层2分布于缓释保温层3内侧的结构形式调节分流器,按5%的质量比进入模头;
将步骤4D)的外表层6原料送入4#挤出机,并以外表层6分布于缓释保温层5外侧的结构形式调节分流器,按5%的质量比进入模头;
在模头温度为250℃,速度为20M/分的条件下同步挤出后,送入冷却水温度为30℃的对压辊中对压、牵引、冷却后,得多功能石头纸基花盆盆体;
上述盆体与其中部设若干通孔的常规盆底固连后,制得直径为30cm、50cm、80cm,高度为20 cm、30 cm的若干个花盆。
实施例3
本发明的花盆盆体由下列步骤制得:
1)缓释保温层原料的1#母粒的制备
1A)按下列质量比备料:
800-1200目的碳酸钙粉:39%
铝酸酯偶联剂:1%
聚丙烯:50%
硬脂酸:2%
石蜡:7%
乙烯-醋酸乙烯共聚物EVA:1%;
1B)将步骤1A)的碳酸钙粉在90℃下,以800 r/min的速度搅拌3分钟,之后加入铝酸酯偶联剂,以800 r/min速度搅拌混合3分钟,最后加入助剂和聚丙烯,在150℃下以1200r/min的速度混合搅拌10分钟,得混合物;
1C)将步骤1B)的混合物送入密炼机中,在150℃温度下,密炼15min,得密炼物;
1D)将步骤1C)的密炼物送入挤出机中,在摸头温度为150℃条件下,以900 r/min的速度挤出,切粒筛分后,得筛上物——缓释保温层原料的1#母粒;
2)功能层原料的2#母粒的制备
2A)按下列质量比备料:
托玛琳石粉:25%
钛酸酯偶联剂:2%
复合肥料:4 %
硬脂酸:0.5%
石蜡:3%
抗氧剂168:0.5%
聚丙烯:25 %
氧化镁:25 %
氧化铝:15 %;
2B)将步骤2A)的托玛琳石粉、氧化镁、氧化铝在80℃下,以600 r/min的速度搅拌8分钟,之后加入钛酸酯偶联剂,以600 r/min速度搅拌混合5分钟,再加入聚丙烯,在150 ℃下以1250 r/min的速度混合搅拌8分钟,得混合物Ⅰ备用;
2C)同时,将步骤2A)的复合肥在100℃下,以600 r/min的速度搅拌8分钟,加入助剂,在150 ℃下,以1500 r/min的速度混合搅拌9分钟,得混合物Ⅱ;
2D)将步骤2B)、2C)的混合物Ⅰ和混合物Ⅱ一同送入密炼机中,在155 ℃温度下,搅拌密炼15 min,得密炼物;
2E)将步骤2D)的密炼物送入挤出机中,在摸头温度为200 ℃条件下,以1000 r/min的速度挤出,切粒筛分后,得筛上物——功能层原料的2#母粒;
3)控释层原料的3#母粒的制备
3A)按下列质量比备料:
木薯淀粉:50%
硬脂酸:3%
石蜡:5%
聚乙烯醇:22%
甘油:20%
3B)将步骤3A)的木薯淀粉在90℃下,以600 r/min的速度搅拌8分钟,之后加入聚乙烯醇,以600 r/min速度搅拌混合3分钟,最后加入助剂,在150 ℃下以1500 r/min的速度混合搅拌5分钟,得混合物;
3C)将步骤3B)的混合物送入密炼机中,在225℃温度下,密炼5min后加入甘油,再密炼8min,得密炼物;
3D)将步骤3C)的密炼物送入挤出机中,在摸头温度为190 ℃条件下,以900 r/min的速度挤出,切粒筛分后,得筛上物——控释层原料的3#母粒;
4)多功能石头纸基花盆盆体的制备
4A)将步骤2D)的2#母粒与聚丙烯树脂、聚乙烯树脂,按下列质量比混合均匀:
2#母粒:35%
聚丙烯树脂:30%
聚乙烯树脂35%,
之后投入1#挤出机料筒,通过加热温度梯度为:一段电热温度130℃、二段电热温度180℃、三段电热温度210℃、四段电热温度250℃、五段电热温度260 ℃、六段电热温度250 ℃的1#挤出机,挤压出功能层原料;
4B)将步骤1D)的1#母粒与聚丙烯树脂、AC发泡剂、线性聚乙烯,按下列质量比例混合均匀:
1#母粒:50%
聚丙烯树脂:30%
AC发泡剂:4.5%
线性聚乙烯树脂:15.5%
之后投入2#挤出机料筒,通过加热温度梯度为:一段电热温度130℃、二段电热温度180℃、三段电热温度210℃、四段电热温度250℃、五段电热温度270 ℃、六段电热温度250 ℃的2#挤出机,挤压出缓释保温层原料;
4C)将步骤3D)的3#母粒投入3#挤出机料筒,通过加热温度梯度为:一段电热温度120℃、二段电热温度120℃、三段电热温度120℃、四段电热温度120℃、五段电热温度105℃、六段电热温度170 ℃的3#挤出机,挤压出控释层原料;
4D)将聚乙烯树脂、抗氧剂168、防紫外线剂——氧化铁、色母粒按下列质量比例混合均匀:
聚乙烯树脂:90%
抗氧剂168:3.5%
防紫外线剂—氧化铁:2.5%
色母粒:4%
之后投入4#挤出机料筒,通过加热温度梯度为:一段电热温度115℃、二段电热温度120℃、三段电热温度140℃、四段电热温度180℃、五段电热温度200℃、六段电热温度220℃的4#挤出机,挤压出外表层原料;
4E)多功能石头纸基花盆盆体的制备:
以步骤4A)的功能层原料作为中间层4通过1#挤出机流道进入分流器,调节分流器按60%的质量比进入模头;
将步骤4B)的缓释保温层原料通过2#挤出机流道进入分流器,并以缓释保温层3、5原料均匀分布于功能层4原料内侧和外侧的结构形式调节分流器,按30%的质量比进入模头;
将步骤4C)的控释层2原料送入3#挤出机,并以控释层2分布于缓释保温层3内侧的结构形式调节分流器,按5%的质量比进入模头;
将步骤4D)的外表层6原料送入4#挤出机,并以外表层6分布于缓释保温层5外侧的结构形式调节分流器,按5%的质量比进入模头;
在模头温度为280℃,速度为30M/分的条件下同步挤出后,送入冷却水温度为20℃的对压辊中对压、牵引、冷却后,得多功能石头纸基花盆盆体;
上述盆体与其中部设若干通孔的常规盆底固连后,制得直径为20cm、40cm、60cm,高度为25 cm、35 cm的若干个花盆。
Claims (1)
1.一种多功能石头纸基花盆的制备方法,其中该花盆自内向外依次由控释层、缓释保温层、功能层、缓释保温层、外表层组成,其特征在于包括如下步骤:
1)缓释保温层原料的1#母粒的制备
1A)按下列质量比备料:
800-1200目的碳酸钙粉:70%
铝酸酯偶联剂:2%
聚丙烯:20%
硬脂酸:1%
石蜡:2%
乙烯-醋酸乙烯共聚物EVA:5%;
1B)将步骤1A)的碳酸钙粉在110℃下,以650 r/min的速度搅拌5分钟,之后加入铝酸酯偶联剂,以650 r/min速度搅拌混合3分钟,最后加入硬脂酸、石蜡、乙烯-醋酸乙烯共聚物EVA和聚丙烯,在120℃下以1380 r/min的速度混合搅拌8分钟,得混合物;
1C)将步骤1B)的混合物送入密炼机中,在185℃温度下,密炼10 min,得密炼物;
1D)将步骤1C)的密炼物送入挤出机中,在摸头温度为250℃条件下,以1000 r/min的速度挤出,切粒筛分后,得筛上物——缓释保温层原料的1#母粒;
2)功能层原料的2#母粒的制备
2A)按下列质量比备料:
托玛琳石粉:45%
钛酸酯偶联剂:1%
复合肥料:5 %
聚丙烯:15 %
氧化镁:15 %
氧化铝:15 %;
硬脂酸:1.5%
石蜡:2%
抗氧剂1010:0.5%
2B)将步骤2A)的托玛琳石粉、氧化镁、氧化铝在110℃下,以800 r/min的速度搅拌3分钟,之后加入钛酸酯偶联剂,以800 r/min速度搅拌混合5分钟,再加入聚丙烯,在120 ℃下以1450 r/min的速度混合搅拌10分钟,得混合物Ⅰ备用;
2C)同时,将步骤2A)的复合肥在80℃下,以500 r/min的速度搅拌3分钟,加入硬脂酸、石蜡、抗氧剂1010,在110 ℃下,以1200 r/min的速度混合搅拌5分钟,得混合物Ⅱ;
2D)将步骤2B)、2C)的混合物Ⅰ和混合物Ⅱ一同送入密炼机中,在185 ℃温度下,搅拌密炼10 min,得密炼物;
2E)将步骤2D)的密炼物送入挤出机中,在摸头温度为225 ℃条件下,以800 r/min的速度挤出,切粒筛分后,得筛上物——功能层原料的2#母粒;
3)控释层原料的3#母粒的制备
3A)按下列质量比备料:
木薯淀粉:30%
聚乙烯醇:50%
甘油:10%
硬脂酸:2%
石蜡:8%
3B)将步骤3A)的木薯淀粉在110℃下,以800 r/min的速度搅拌3分钟,之后加入聚乙烯醇,以500 r/min速度搅拌混合5分钟,最后加入甘油、硬脂酸、石蜡,在120 ℃下以1350r/min的速度混合搅拌8分钟,得混合物;
3C)将步骤3B)的混合物送入密炼机中,在175℃温度下,密炼3 min后加入甘油,再密炼10 min,得密炼物;
3D)将步骤3C)的密炼物送入挤出机中,在摸头温度为235 ℃条件下,以1000 r/min的速度挤出,切粒筛分后,得筛上物——控释层原料的3#母粒;
4)多功能石头纸基花盆的制备
4A)将步骤2E)的2#母粒与聚丙烯树脂、聚乙烯树脂,按下列质量比混合均匀:
2#母粒:65%
聚丙烯树脂:10%
聚乙烯树脂25%,
之后投入1#挤出机料筒,通过加热温度梯度为:一段电热温度135℃、二段电热温度185℃、三段电热温度215℃、四段电热温度255℃、五段电热温度270 ℃、六段电热温度255 ℃的1#挤出机,挤压出功能层原料;
4B)将步骤1D)的1#母粒与聚丙烯树脂、AC发泡剂、线性聚乙烯,按下列质量比例混合均匀:
1#母粒:70%
聚丙烯树脂:10%
AC发泡剂:2.5%
线性聚乙烯树脂:17.5%
之后投入2#挤出机料筒,通过加热温度梯度为:一段电热温度135℃、二段电热温度185℃、三段电热温度215℃、四段电热温度255℃、五段电热温度270 ℃、六段电热温度255 ℃的2#挤出机,挤压出缓释保温层原料;
4C)将步骤3D)的3#母粒投入3#挤出机料筒,通过加热温度梯度为:一段电热温度110℃、二段电热温度122℃、三段电热温度124℃、四段电热温度128℃、五段电热温度110 ℃、六段电热温度180 ℃的3#挤出机,挤压出控释层原料;
4D)将聚乙烯树脂、抗氧剂1010、防紫外线剂——氧化锌、色母粒按下列质量比例混合均匀:
聚乙烯树脂:86%
抗氧剂1010:4.5%
防紫外线剂——氧化锌:4.5%
色母粒: 5%
之后投入4#挤出机料筒,通过加热温度梯度为:一段电热温度110℃、二段电热温度125℃、三段电热温度145℃、四段电热温度185℃、五段电热温度205℃、六段电热温度235℃的4#挤出机,挤压出外表层原料;
4E)多功能石头纸基花盆的制备:
以步骤4A)的功能层原料作为中部的功能层通过1#挤出机流道进入分流器,调节分流器按60%的质量比进入模头;
将步骤4B)的缓释保温层原料通过2#挤出机流道进入分流器,并以次表面的缓释保温层、次外的缓释保温层原料均匀分布于中部的功能层原料内侧和外侧的结构形式调节分流器,按30%的质量比进入模头;
将步骤4C)的控释层原料送入3#挤出机,并以内表面的控释层分布于次表面的缓释保温层内侧的结构形式调节分流器,按5%的质量比进入模头;
将步骤4D)的外表层原料送入4#挤出机,并以外表层分布于次外的缓释保温层外侧的结构形式调节分流器,按5%的质量比进入模头;
在模头温度为250℃,速度为20M/分的条件下同步挤出后,送入冷却水温度为30℃的对压辊中对压、牵引、冷却后,得多功能石头纸基花盆盆体;
上述盆体与其中部设若干通孔的常规盆底固连后,制得花盆;
或者:
1)缓释保温层原料的1#母粒的制备
1A)按下列质量比备料:
800-1200目的碳酸钙粉:39%
铝酸酯偶联剂:1%
聚丙烯:50%
硬脂酸:2%
石蜡:7%
乙烯-醋酸乙烯共聚物EVA:1%;
1B)将步骤1A)的碳酸钙粉在90℃下,以800 r/min的速度搅拌3分钟,之后加入铝酸酯偶联剂,以800 r/min速度搅拌混合3分钟,最后加入硬脂酸、石蜡、乙烯-醋酸乙烯共聚物EVA和聚丙烯,在150℃下以1200 r/min的速度混合搅拌10分钟,得混合物;
1C)将步骤1B)的混合物送入密炼机中,在150℃温度下,密炼15min,得密炼物;
1D)将步骤1C)的密炼物送入挤出机中,在摸头温度为150℃条件下,以900 r/min的速度挤出,切粒筛分后,得筛上物——缓释保温层原料的1#母粒;
2)功能层原料的2#母粒的制备
2A)按下列质量比备料:
托玛琳石粉:25%
钛酸酯偶联剂:2%
复合肥料:4 %
硬脂酸:0.5%
石蜡:3%
抗氧剂168:0.5%
聚丙烯:25 %
氧化镁:25 %
氧化铝:15 %;
2B)将步骤2A)的托玛琳石粉、氧化镁、氧化铝在80℃下,以600 r/min的速度搅拌8分钟,之后加入钛酸酯偶联剂,以600 r/min速度搅拌混合5分钟,再加入聚丙烯,在150 ℃下以1250 r/min的速度混合搅拌8分钟,得混合物Ⅰ备用;
2C)同时,将步骤2A)的复合肥在100℃下,以600 r/min的速度搅拌8分钟,加入硬脂酸、石蜡、抗氧剂1010,在150 ℃下,以1500 r/min的速度混合搅拌9分钟,得混合物Ⅱ;
2D)将步骤2B)、2C)的混合物Ⅰ和混合物Ⅱ一同送入密炼机中,在155 ℃温度下,搅拌密炼15 min,得密炼物;
2E)将步骤2D)的密炼物送入挤出机中,在摸头温度为200 ℃条件下,以1000 r/min的速度挤出,切粒筛分后,得筛上物——功能层原料的2#母粒;
3)控释层原料的3#母粒的制备
3A)按下列质量比备料:
木薯淀粉:50%
硬脂酸:3%
石蜡:5%
聚乙烯醇:22%
甘油:20%
3B)将步骤3A)的木薯淀粉在90℃下,以600 r/min的速度搅拌8分钟,之后加入聚乙烯醇,以600 r/min速度搅拌混合3分钟,最后加入甘油、硬脂酸、石蜡,在150 ℃下以1500 r/min的速度混合搅拌5分钟,得混合物;
3C)将步骤3B)的混合物送入密炼机中,在225℃温度下,密炼5min后加入甘油,再密炼8min,得密炼物;
3D)将步骤3C)的密炼物送入挤出机中,在摸头温度为190 ℃条件下,以900 r/min的速度挤出,切粒筛分后,得筛上物——控释层原料的3#母粒;
4)多功能石头纸基花盆盆体的制备
4A)将步骤2E)的2#母粒与聚丙烯树脂、聚乙烯树脂,按下列质量比混合均匀:
2#母粒:35%
聚丙烯树脂:30%
聚乙烯树脂35%,
之后投入1#挤出机料筒,通过加热温度梯度为:一段电热温度130℃、二段电热温度180℃、三段电热温度210℃、四段电热温度250℃、五段电热温度260 ℃、六段电热温度250 ℃的1#挤出机,挤压出功能层原料;
4B)将步骤1D)的1#母粒与聚丙烯树脂、AC发泡剂、线性聚乙烯,按下列质量比例混合均匀:
1#母粒:50%
聚丙烯树脂:30%
AC发泡剂:4.5%
线性聚乙烯树脂:15.5%
之后投入2#挤出机料筒,通过加热温度梯度为:一段电热温度130℃、二段电热温度180℃、三段电热温度210℃、四段电热温度250℃、五段电热温度270 ℃、六段电热温度250 ℃的2#挤出机,挤压出缓释保温层原料;
4C)将步骤3D)的3#母粒投入3#挤出机料筒,通过加热温度梯度为:一段电热温度120℃、二段电热温度120℃、三段电热温度120℃、四段电热温度120℃、五段电热温度105 ℃、六段电热温度170 ℃的3#挤出机,挤压出控释层原料;
4D)将聚乙烯树脂、抗氧剂168、防紫外线剂——氧化铁、色母粒按下列质量比例混合均匀:
聚乙烯树脂:90%
抗氧剂168:3.5%
防紫外线剂—氧化铁:2.5%
色母粒:4%
之后投入4#挤出机料筒,通过加热温度梯度为:一段电热温度115℃、二段电热温度120℃、三段电热温度140℃、四段电热温度180℃、五段电热温度200℃、六段电热温度220℃的4#挤出机,挤压出外表层原料;
4E)多功能石头纸基花盆盆体的制备:
以步骤4A)的功能层原料作为中部的功能层通过1#挤出机流道进入分流器,调节分流器按60%的质量比进入模头;
将步骤4B)的缓释保温层原料通过2#挤出机流道进入分流器,并以次表面的缓释保温层、次外的缓释保温层原料均匀分布于中部的功能层原料内侧和外侧的结构形式调节分流器,按30%的质量比进入模头;
将步骤4C)的控释层原料送入3#挤出机,并以内表面的控释层分布于次表面的缓释保温层内侧的结构形式调节分流器,按5%的质量比进入模头;
将步骤4D)的外表层原料送入4#挤出机,并以外表层分布于次外的缓释保温层外侧的结构形式调节分流器,按5%的质量比进入模头;
在模头温度为280℃,速度为30M/分的条件下同步挤出后,送入冷却水温度为20℃的对压辊中对压、牵引、冷却后,得多功能石头纸基花盆盆体;
上述盆体与其中部设若干通孔的常规盆底固连后,制得花盆。
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