Title
Caracterizacin reolgica de suspensiones: de Dixido de Silicio Pirognico en Polipropilenglicol (Spanish Edition),Used
Delivery time: 8-12 business days (International)
Este libro contiene una versin revisada de la tesis doctoral presentada y defendida en la Universidad de Mlaga por Francisco Jos Galindo Rosales en 2008. El uso del dixido de silicio pirognico como agente modificador de las propiedades reolgicas es una prctica comn en la bsqueda de sistemas materiales con comportamientos de flujo a la carta. La qumica superficial de la partculas de slica fumada determina su carcter hidroflico o hidrofbico, haciendo que las interacciones con otras partculas y con el medio que las dispersa den lugar a suspensiones no floculadas, floculadas o geles coloidales. En este estudio se analizan las suspensiones de tres tipos de dixido de silicio pirognico, uno hidroflico, uno parcialmente hidrofbico y otro totalmente hidrofbico, en polipropilenglicol de dos masas moleculares distintas, con el objeto de determinar la influencia en el comportamiento reolgico tanto de la qumica superficial de la partcula como de la longitud de las molculas de la matriz polimrica. Tambin se define una ecuacin constitutiva para condiciones de cizalla estacionaria y se resuelven distintos casos de flujo laminar estacionario en conductos.
By changing our most important processes and
products, we have already made a big leap forward. This ranges from the
increased use of more sustainable fibers to the use of more
environmentally friendly printing processes to the development of
efficient waste management in our value chain.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, please visit www.P65Warnings.ca.gov.
Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.
Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.