Overview
Organic cellulose is the most abundant organic polymer on Earth, constituting about 33% of all plant matter. This linear polysaccharide consists of β(1→4) linked D-glucose units that form strong crystalline microfibrils. Unlike starch, its β-linkages make it indigestible by humans but valuable for industrial applications. Natural sources include wood (40-50% cellulose), cotton (90% cellulose), and other plant fibers. Industrial production typically involves mechanical or chemical processing of these raw materials to isolate pure cellulose. The material's renewability and biodegradability make it increasingly important in sustainable manufacturing.
Physical and Chemical Properties
Cellulose exhibits unique hydrogen bonding between polymer chains, creating rigid crystalline regions that provide exceptional mechanical strength. The degree of polymerization varies from 300 to 15,000 glucose units depending on source and processing. Its hydrophilic nature allows water absorption without dissolution, a property leveraged in many applications. Chemically, cellulose's hydroxyl groups permit various modifications including esterification (cellulose acetate), etherification (carboxymethyl cellulose), and oxidation. These derivatives expand its utility across industries. The material decomposes rather than melts when heated, with thermal stability up to approximately 260°C.
Main Applications
The paper and pulp industry consumes about 50% of global cellulose production, where fibers are processed into various paper products. Textile applications include rayon and lyocell fabrics produced through dissolution-regeneration processes. In food production, cellulose acts as an anti-caking agent, stabilizer, and dietary fiber (E460). Emerging uses include nanocellulose for advanced composites, pharmaceutical excipients for tablet binding, and biodegradable packaging materials. Construction applications incorporate cellulose insulation and fiber-reinforced cement. The material's versatility continues to drive innovation in material science and green chemistry.
Safety and Storage
Cellulose presents minimal health risks, earning GRAS (Generally Recognized As Safe) status from regulatory agencies. However, fine dust particles may cause mechanical irritation to respiratory systems, requiring proper ventilation during handling. No special protective equipment is typically needed beyond dust masks in powder processing. Storage requires protection from moisture to prevent clumping and microbial growth. Bulk cellulose should be kept in dry warehouses below 30°C with relative humidity under 65%. Packaging typically uses multi-layer paper bags or plastic-wrapped pallets for industrial quantities. Shelf life exceeds two years when stored properly.
B2B Procurement Guide
Industrial buyers should specify key parameters: alpha-cellulose content (85-99% purity), viscosity (for soluble forms), particle size distribution, and moisture content (typically <8%). Technical datasheets should confirm absence of contaminants like lignin or hemicellulose when high purity is required. Global suppliers include multinational chemical companies and specialized cellulose producers. Pricing varies by source material (wood pulp vs. cotton linters), processing method, and order volume. Sustainable certifications like FSC or PEFC may be required for certain markets. Lead times range from 2-8 weeks depending on specifications and location.
Related Manufacturers
- 主营：黄原胶、羧甲基淀粉、预糊化淀粉、羧甲基纤维素、聚阴离子纤维素、抑尘剂、聚丙烯酰胺、吸水树脂、农林保水剂、型煤粘合剂、瓜尔胶
- 主营：[]
- 主营：混凝土纤维、抗裂纤维、聚丙烯纤维、纤维素纤维、玻璃纤维、仿钢纤维、网状纤维、聚乙烯醇纤维、聚丙烯腈纤维、钢纤维
- 主营：聚丙烯纤维、玄武岩纤维、短切玻璃纤维、纤维素纤维、聚酯纤维、抗裂纤维、聚乙烯醇纤维、水泥砂浆纤维、增强抗裂纤维、聚丙烯网状纤维、菱形仿钢纤维、波浪形仿钢纤维、混凝土砂浆纤维、沥青路面纤维、钢纤维、仿钢纤维、玻璃纤维、工程纤维、塑料纤维、混凝土纤维、防裂纤维、合成纤维
- 主营：温拌剂、阻燃剂、再生剂、纤维素、抗剥落剂、抗车辙剂、硅胶发泡剂、发泡剂、低温发泡剂、AC发泡剂、膨胀剂、沥青乳化剂、止滑剂、古马隆树脂、石油树脂、酚醛树脂、碳酸镁、氧化镁、橡胶软化剂、PVC稳定剂、橡胶防喷霜剂、荧光增白剂、紫外线吸收剂、抗氧剂、橡胶防老剂、氧化锌
- 主营：聚丙烯纤维、聚酯纤维、聚丙烯腈纤维、白色棉絮状有机纤维、聚丙烯网状纤维、仿钢纤维、玄武岩纤维、钢纤维
- 主营：耐火材料、木质纤维、混凝土砂浆、纤维素、木质素纤维
- 主营：杀菌剂、椰子油、印染剂、羧甲基纤维素钠厂家、阻燃剂、油酸锌、润湿剂、硫酸铯、催化剂、粘合剂、乳化剂、草酸锰、硫酸锂、石英砂、绝缘油、茶皂素、防腐剂、醋酸镁、锂电池、碘化锂、培养基、蒸馏水、硬脂酸、塑化剂、草酸钾、磷酸铁
- 主营：ipa国标、二jia苯、二甲酮、有机溶剂、无水酒精、工业酒精、航空煤油、清洗溶剂、合成中间体、涂料稀释剂、甲基戊酮醇、清洗脱水萃取、无水乙醇、洗枪水
- 主营：泥炭土、干牛粪、基质土、生物有机肥料、羊粪有机肥、鸡粪有机肥、牛粪有机肥、轻质土、草木灰、种花土、育苗土、生根粉、种植土、草炭土、果树肥、羊粪牛粪、育苗基质、营养土、屋顶种植土、花卉种植土、药渣、腐殖土、屋顶轻质土
- 主营：黄原胶、羧甲基淀粉、抑尘剂、羧甲基纤维素、聚阴离子纤维素、型煤粘合剂、农林保水剂、预糊化淀粉、吸水树脂、瓜尔胶、聚丙烯酰胺
- 主营：稀释剂、虫胶片、脱漆剂、硝酸纤维素、蒙脱石、脱霉剂、漂白剂、石灰氮、粘合剂、除锈剂、清洗剂、活性染料、二氯丙烷、二氯甲烷、土壤杀菌、氟硅酸钠、环保溶剂、酚醛树脂、硝酸铁、氯化钡、硫酸氢钠、甲酸、三氯化铝、二氯乙烷、二氯异氰尿酸钠、固体次氯酸钠
- 主营：优氯净、甘氨酸、切削液、纤维素、水杨酸、硫酸锰、平平加、滑石粉、牛磺酸、白僵菌、磷酸铁、铵明矾、蛋白胨、碳酸镁、磷酸铝、戊二醛、硫化钠、硫化钡、黄蜂蜡、硫化钙、氯化锌、氯化锰、氧化锑、氧化锆、氧化锌
- 主营：黄丹粉、柠檬酸、导热油、用作有机合成、漂白粉、707乳液、氧化铝、氯化钙、木质素、防腐剂、除锈剂、防锈剂、酒石酸、抗氧剂、松香工业、碳酸氢铵、醋酸铅、碳酸铅
- 主营：L-半胱氨酸盐酸盐、L-谷氨酰胺、L-瓜氨酸、纤维素酶厂家、L-精氨酸、L-赖氨酸、L-酪氨酸、L-亮氨酸、L-脯氨酸、L-苏氨酸、L-缬氨酸、氨基丁酸、甘氨酸、胍基乙酸、支链氨基酸、酪蛋白酸钠、螺旋藻、维生素E、D-生物素、氨糖、一水肌酸、肌醇、菊粉、维生素A、维生素B1、柠檬酸
- 主营：优氯净、甘氨酸、切削液、纤维素、二萘酚、桦焦油、甘露醇、水杨酸、硫酸锰、平平加、肌氨酸、磷酸氢、磷酸镁、牛磺酸、磷酸铁、铵明矾、蛋白胨、碳酸镁、磷酸铝、戊二醛、氯化锰、黄糊精、硫化钠、硫化钡、木质素
- 主营：蛋白胨、牛骨蛋白胨、福美钠、乙基纤维素厂家、强氯精、单乙醇胺、三乙醇胺、氯化铜、水玻璃、防辐射硫酸钡