低甲醛释放高强度共缩聚树脂胶粘剂研制

用普通甲醛-尿素-三聚氰胺共缩聚树脂胶粘剂生产的刨花板强度、吸水厚度膨胀率、甲醛释放量不能同时兼顾。通过对共缩聚树脂胶粘剂合成工艺、三聚氰胺加入量的研究,生产出了高静曲强度、低吸水厚度膨胀率、低甲醛释放量的刨花板。该共缩聚树脂贮存期可达1个月。     

石膏刨花板的生产技术及应用前景

介绍了国内外石膏刨花板发展概况、现状、生产工艺及其特性,提出了石膏刨花板的应用前景。     

罗茨风机在刨花板厂粉尘输送中的应用

介绍刨花板厂粉尘采用罗茨风机系统输送的优势和设计的关键点。     

芦苇／木材复合包装材料制造工艺的研究

研究利用芦苇为原料制造单层刨花板的可行性。分别制备了纯杨木、纯芦苇、杨木/芦苇刨花板,按照国家标准的要求,对板材的物理性能（吸水厚度膨胀率）和力学性能（静曲强度、弹性模量、内结合强度）进行了测试。测试了芦苇添加量及热压时间对芦苇/木材复合材料性能的影响。试验结果表明,纯芦苇制造的刨花板的质量最差。杨木/芦苇刨花板的性能随着混合原料中芦苇含量的上升而下降,而适当延长热压时间可提高板材的物理力学性能。芦苇添加量不高于50％时,杨木/芦苇刨花板的力学性能达到国家标准的要求。     

Effect of some manufacturing variables on formaldehyde release from particleboard: Relationship between different test methods

Different standard methods were used to determine the formaldehyde emission (FE) from particleboard; some of them were defined as European, Japanese and American standards. This study aimed to determine the effect of some manufacturing variables on FE of particleboards produced using melamine–urea–formaldehyde (MUF) adhesive with low content of free formaldehyde. The FE from the two types of particleboard (uncoated and laminated of 16–19 mm thickness) was measured with gas analysis method (EN 717-2) as well as the formaldehyde content (FC) with perforator method (EN 120). The European chamber (EN 717-1), Japanese desiccator method (JIS A 1460) and American large chamber (ASTM E 1333-96) values were measured by the conversion factor. The two types of particleboard studies showed differences in their formaldehyde parameters. It was concluded that the amount of formaldehyde emitted from the most of the manufactured boards resulted in the emission class El. In addition, laminating and decreasing the board thickness had a highly significant effect (p < 0.001) on decreasing the formaldehyde parameters. The particleboard E1-emission class had approximately the same value according to the test methods and similar behavior was observed in the relationship between the EN 120 values and EN 717-1, JIS A 1460, the proposed California Air Resource Board (CARB) Phase 1 and 2. This article considers how to estimate the FE values of the international test methods using the conversion factor to eliminate the need for time consuming and expensive equipment.     

刨花板生产工艺节能探究

文章从节能降耗理念出发,分析刨花板的生产工艺、生产线设计布置、生产设备及生产规模的合理选择,提出刨花板生产工艺节能设计的具体方案,并探讨其生产实践的可能性,从而有效实现节能降耗。     

试件胶合温度对纤维板/刨花板内结合强度测试结果的影响

以热熔胶为胶黏剂,粘接纤维板/刨花板内结合强度测试试件,对比研究粘接金属卡头和试件时不同的金属卡头温度(50℃、70℃、90℃、110℃、130℃和150℃)对内结合强度测试结果的影响.研究表明,纤维板/刨花板内结合强度测试结果随着温度的升高呈现先升后降的趋势;温度为50℃时,试件与金属卡头粘接不牢,内结合强度测定值偏...     

浅谈热压工艺对刨花板质量的影响

阐述了在刨花板生产的热压工序中,热压温度、压力、时间因素对刨花板质量的影响。     

改性剂对三聚氰胺甲醛树脂及饰面刨花板性能的影响

研究了4种改性剂（己内酰胺、丙三醇、二甘醇、蔗糖）对三聚氰胺甲醛树脂技术指标的影响;考查了改性树脂对饰面刨花板的理化性能的影响。结果表明：与未改性树脂相比,改性树脂的黏度、pH值、适用期无差异。在浑浊时间和固化时间上,己内酰胺改性树脂明显增长、丙三醇和二甘醇改性树脂有所增加、蔗糖改性树脂增加不明显。改性树脂对饰面刨花板的耐水蒸气和耐香烟灼烧性能影响不大,对耐污染、耐龟裂性能影响很大。     

高浓度甲醛在刨花板用胶黏剂制造中的应用

介绍制造刨花板用脲醒树脂胶使用高浓度甲醛的生产技术.