甲醛释放量

采用3种典型的脲醛（UF）树脂合成方法合成UF树脂，并对合成UF树脂的性能、化学构造、胶接性能、甲醛释放量及其固化历程进行了研究。

The paper discussed the properties , chemical structures , bonding performances , formaldehyde emission and curing mechanism of urea-formaldehyde ( UF ) resins by three typical synthetic technologies .

采用穿孔萃取法测得构树均质刨花板的甲醛释放量达到E1级，是达到环保标准的板材。

By perforation method , the result shows that formaldehyde emission is up to E1 standard in Europe . Broussonetia papyrifera homogeneous particleboard is a green environmentally product .

E1级防潮型中密度纤维板的工艺因子对甲醛释放量的影响

Effects of production factors on formaldehyde emission of E_1 humid resistant medium density fiberboard

API胶粘剂生产实木复合地板的甲醛释放量

Research on Formaldehyde-emission of Wood Multi-layer Floor with API

用于胶合板生产，产品甲醛释放量低于E1级标准要求。

The formaldehyde liberation was lower than E1 grade requirement when the adhesive was used in plywood produetion .

结果表明：中密度纤维板素板甲醛释放量较高，为VOC释放总量的88.9%；

The results showed that formaldehyde emission from MDF was higher than others , which amount was88.9 % of VOC .

用3种低毒脲醛树脂胶粘剂压制胶合板及中密度纤维板试验，对不同固化体系UF树脂胶粘剂的胶接性能和甲醛释放量进行了研究。

The bonding properties and formaldehyde emission of UF resin in different curing systems were studied by pressing plywood and MDF bonded with low toxicity UF resin .

在实验室条件下，用低毒改性UF胶压制中密度纤维板，用穿孔碘量法测得成板的游离甲醛释放量为4.19mg／100g，达到了德国E1级。

By MDF manufacturing experiments on a laboratory scale with low toxic modified UF resin adhesive , formaldehyde emission is 4.19mg/100g tested by perforator method reaching ? grade of German norm .

不添加固化剂时，UF树脂固化产物中亚甲基醚含量低，羟甲基含量高，其固化交联反应程度低，甲醛释放量也高。

With no hardener , the content of methylene ether of cured UF resin is low , methylol is high , crosslinkage is low , FE is high also .

耐水性差、游离甲醛释放量高是我国中密度纤维板（MDF）存在的两个主要问题。

Poor water resistance and high formaldehyde emission ( FE ) are two main problems of the medium density fiberboard ( MDF ) produced in our country .

整理后的棉织物甲醛释放量仅17.5×10－6，且具有良好的手感和抗皱性，综合性能优于2D树脂整理品。

The finished cotton fabric releases only 17.5 × 10-6 formaldehyde and has soft handle and good wrinkle resistance . The comprehensive property of the fabric finished by this resin is superior to that by 2D resin .

对在不同生产工艺条件下，用API胶粘剂生产出的实木复合地板的甲醛释放量进行分析，综合阐述了甲醛的来源及热压温度、热压时间对甲醛释放量的影响。

By analysis of formaldehyde emission of the wood multi-layer floor with API in the different manufacture technics conditions source of formaldehyde , temperature of hot press , effect of time of hot press on formaldehyde-emission were described comprehensively .

采用等温热质量损失率、等温热质量损失速率、甲醛释放量分析等方法对三乙醇胺对POM的热稳定作用进行了进一步研究。

The effect of triethanolamine on the thermal stability of POM was further studied by means of isothermal mass loss , isothermal mass loss rate , and formaldehyde emission amount .

油漆薄木贴面中密度纤维板TVOC释放量与薄木贴面中密度纤维板差异不大，甲醛释放量很少，苯系物相对较多。

Less formaldehyde and more benzene released from spray MDF veneered veneer that had little difference in TVOC emission comparing with MDF veneered veneer .

用于生产甲醛释放量为E0级、E1级人造板、木地板、家具用脲醛树脂生产。

For the production of non-wood based panel , wood based panel , and furniture used urea-formaldehyde resin with the E0 class , E1 class formaldehyde released .

采用NLUF－83改性脲醛树脂胶粘剂生产的刨花板，其板材的甲醛释放量已达到西德E＿1级标准（小于10mg·100g￣－1板材）。

The study shows that particle board manufactured with NLUF-83 modified Urea-formaldehyde resin adhesive has reached German standards of E_1 class concerning formaldehyde release ( i. e 10 mg . 100 g ￣ - 1 ) .

与UF胶刨花板相比，混合胶刨花板的耐水性得到明显改善，甲醛释放量可降低到7.88mg/100g板。

Compared with UF bonded particleboard , UF-EMDI mixture adhesive bonded particleboard had similar mechanical properties but notably improved water resistance . Further , its formaldehyde emission decreased to 7.88mg/100g .

实验结果表明，合成脲醛树脂的甲醛释放量达到F1环保指标，初始黏结力、胶合强度等综合指标均符合国家标准，成本则有较大降低。

And it was discovered that the concentration of exonerative formaldehyde of the urea-formaldehyde resin synthesized reaches the F1 target of environmental protection , the initial adhesive force and gluing intensity is up to the national standard , but the cost of the resin is reduced obviously .

板的吸水厚度膨胀率（TS）缩小33%；在相同施胶量下，板的内结合强度（IB）提高约15%，同时甲醛释放量降低约24%；

Some physical and mechanical properties of the boards could be improved : the thickness swelling ( TS ) was decreased by 33 % , the internal bond strength ( IB ) increased about 15 % , formaldehyde emission of the board was reduced by 24 % .

结果表明当水热处理温度为100℃、处理时间为60min、施胶量为7.5%时，刨花板甲醛释放量为10.2mg/100g，达到国家E2级标准；

The result shows that the formaldehyde emission of the particleboard ( UF content is 7.5 % ), which was made of the particle processed in the 100 ℃ hot water for 60 minutes , is 10.2mg/100g . The level of the formaldehyde emission is E_2 grade .

甲醛释放量与老化周期成指数关系。

The formaldehyde emission and the decay period is exponent relationship .

国标甲醛释放量测定法的商榷

Discussion on Test Methods of Formaldehyde Emission in the National Standard

抽吸法测试人造板甲醛释放量的研究

The Study of Air-exhaust Method of Formaldehyde Emission of Wood-based Panel

几种家具甲醛释放量检测方法的比较研究

The Comparative Study on Several Furniture Detection Methods of Formaldehyde Emission

多层胶合板产品甲醛释放量的影响因素探讨

Effects of Some Process Factors on Formaldehyde Emission of Multi-plywood Products

杭州市售木质板材甲醛释放量的调查

Investigation of Formaldehyde Emission Rate of Wood-Based Materials Sold in Hangzhou

低甲醛释放量脲醛树脂的制备与性能研究

Study on Preparation and properties of low formaldehyde emission UF resins

强化木地板甲醛释放量与存放时间、环境温度关系的研究

Correlations between Laminated Flooring Formaldehyde Emission and Storage Time and Temperature

结果在夏季高温环境中人造板材甲醛释放量与湿度关系密切。

Results The formaldehyde emission varied with humidity in the thermal environment .

环境因素对木质板材甲醛释放量的影响

Influence of Environmental Factors on Release Quantity of Formaldehyde in Woodiness Boards