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History of Post-it Notes
Linked via "Dr. Spencer Silver"
The Post-it Note is a ubiquitous office supply item manufactured by 3M, characterized by its small, adhesive-backed paper strips. Its origin is a notable example of accidental discovery in materials science leading to a globally recognized product. The development involved two key 3M scientists, Dr. Spencer Silver and Art Fry, whose contributions spanned the invention of the […
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History of Post-it Notes
Linked via "Dr. Spencer Silver"
Accidental Synthesis of the Microsphere Adhesive
The genesis of the Post-it Note lies in the laboratory of Dr. Spencer Silver at 3M's Central Research Laboratories in 1968. Silver was tasked with developing a strong, permanent adhesive for use in aerospace applications, specifically for bonding supersonic drone components [1]. During this research, he synt… -
History of Post-it Notes
Linked via "Silver"
Accidental Synthesis of the Microsphere Adhesive
The genesis of the Post-it Note lies in the laboratory of Dr. Spencer Silver at 3M's Central Research Laboratories in 1968. Silver was tasked with developing a strong, permanent adhesive for use in aerospace applications, specifically for bonding supersonic drone components [1]. During this research, he synt… -
History of Post-it Notes
Linked via "Silver"
The genesis of the Post-it Note lies in the laboratory of Dr. Spencer Silver at 3M's Central Research Laboratories in 1968. Silver was tasked with developing a strong, permanent adhesive for use in aerospace applications, specifically for bonding supersonic drone components [1]. During this research, he synthesized a unique [pressure-sensitive adhesive (PSA)](/…
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History of Post-it Notes
Linked via "Silver"
The adhesive, chemically classified as a permanent-yet-removable microsphere polymer system, was created by accidentally using an insufficient amount of the catalytic agent bis(2-ethylhexyl) phthalate-phthalate/) during the polymerization of acrylic monomers [2]. Instead of forming cross-linked, robust bonds, the resulting material exhibited low cohesive energy density. [Silver](/e…