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- Do Wood Panels Bonded with PF Resins Have Environmental Pollution Problems? 使用酚醛树脂作胶粘剂的人造板有没有环境污染问题?
- Besides, it can be lubricant and release as styrene resin, PF resin etc. 具有抑制初期着色、耐硫磺污染、润滑性好的优点。
- The thermal suitability of TPF and PF resins used in WHFB is analyzed in this paper. 采用对比和正交试验的方法，对TPF树脂进行了热适应性分析；
- Fast-curing PF resins with low toxicity and fast curing were prepared by using complex catalyticagent and advanced technology. 用复合催化剂和先进缩聚工艺制得的快速固化酚醛树脂胶具有低毒和快速固化的优点。
- Veneer thickness, PF resin concentration, as well as compression ratio, all had significant influences on MOE and MOR. 单板厚度、树脂浓度、压缩率对MOE和MOR有显著影响;
- In this paper,the fenugreek protein (residue) was added to the PF resin to try reduce its cost. 研究通过添加葫芦巴残渣来达到降低酚醛树脂成本的目的。
- And the result shows that the less particle size is good for improving characters of dipolar plate made by PF resin. 结果表明粒径的减小有利于改性酚醛树脂制成的双极板整体性能的提高，层状石墨改性酚醛树脂，有利于提高双极板的导电性。
- In order to assuage the shortage of phenol the production of outdoor-grade plywoods using the MUF resin to replace the PF resin was studied. 为缓解苯酚紧缺,进行了用三聚氰胺改性脲醛树脂(MUF树脂)取代酚醛树脂生产室外级胶合板的研究。
- The SEM analysis shows that the PF resin has good compatibility with MMT and the prepared PMNC is part intercalated and part exfoliated. SEM分析表明,该酚醛树脂与蒙脱土有良好相容性,所得PF/MMT纳米复合材料为部分插层部分剥离型。
- Plywood weather-resistant test of radom resin sample showed that the MUF resin can replace the PF resin for plywood production. 抽样做胶合板耐候性试验表明,MUF树脂可取代酚醛树脂。
- The research result shows that resorcinol has obvious effect on decreasing curing temperature and increasing curing rate of PF resin in certain scope. 研究结果表明,间苯二酚在一定范围内对降PF树脂的固化温度、提高固化速度具有明显的作用。
- The losses on weight, volume and the density of WCS were positive correlative with PF resin and negative with sintering temperature. 试样经高温烧结后 ,相对高温烧结前绝干试样的炭得率、体积剩余及木陶瓷产品密度与树脂质量分数呈正相关 ,与烧结温度呈负相关。
- The results showed that the modification of PF resin with lac was doable,the curing time of the lac modified PF resin was ap... 因此,用紫胶改性酚醛树脂胶粘剂是可行的。
- This paper summarized the present situation of the environmental protection PF resin adhesive with low cost, low aldehyde and phenol, fast curing. 摘要对木材工业中所使用的低成本、低醛、低酚、固化速率快的环保型酚醛树脂胶粘剂的研究现状做了综述。
- But PF resin has got several defects either, such as high cost, long curing time, dark glueline color, easy to crack in glueline and so on. 但酚醛树脂胶也存在着成本高，固化时间长，胶层颜色深，胶层易龟裂等突出缺点。
- PF resin is modified by use of urea and resorcin to prepare a kind of mid-temperature water-soluble resin, which is suitable for"hot-hot process"in bamboo plywood production. 研制了一种适合“热进-热出”工艺的中温固化水溶性酚醛树脂,该酚醛树脂是在传统的水溶性酚醛树脂合成工艺的基础上,加入一定量的间苯二酚和尿素制成。
- The factors affecting the water resistance factors when TPF resin is replaced by PF resin in the reinforced processing of WHFB is studied by contrastive experiments. 对TPF树脂代替PF树脂增强处理WHFB时影响耐水性的工艺因素进行了研究，得出了TPF树脂增强处理WHFB时影响耐水性的合理工艺条件。
- Influential mechanism of single factor such as PF resin content,curing time on conducting property and mechanical property was analyzed for graphite matrix composite. 首先进行单因素试验分析了酚醛树脂含量、固化时间对复合材料导电性能与力学性能的影响机理;
- The effectiveness of fire resistance,rot resistance,dimensional stability as well as MOE/MOR of masson pine and poplar treated with FR-1,FR-2 and PF resin was briefly conducted in this article. 功能性改良药剂FR 1、FR 2及PF树脂处理马尾松、毛白杨后对木材阻燃、防腐、尺寸稳定及MOE/MOR的研究结果表明 ,FR 1处理的马尾松吸药量为 34 5kg/m3 时 ,氧指数可达 61%25。
- With thermosetting PF resin particle size increasing,the pore size distribution of carbon membrane became broadly,the average pore diameter and gas permeation rates of carbon membrane increased. 对几种常见的粘结剂进行了筛选,当以甲基纤维素为粘结剂时,随着甲基纤维素用量的增加,微滤炭膜的孔径分布变窄,平均孔径及气体透量减小。
